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The Reagent Bottle, Narrow Mouth is a polypropylene bottle for storing and dispensing laboratory reagents. It is rigid and translucent with good contact clarity, so the liquid level can be seen, and it can be autoclaved both filled and empty.
Note: The Reagent Bottle, Narrow Mouth is a polypropylene bottle for storing and dispensing laboratory reagents.
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The Reagent Bottle, Wide Mouth is a polypropylene bottle with a wide opening for storing solids, powders and viscous liquids that are awkward to pour through a narrow neck.
Note: The Reagent Bottle, Wide Mouth is a polypropylene bottle with a wide opening for storing solids, powders and viscous liquids that are awkward to pour through a narrow neck.
View DetailsThe RIA Vial is a 12 x 75 mm tube offered in polypropylene or polystyrene, used in coagulation work and bacteriology.
Note: The RIA Vial is a 12 x 75 mm tube offered in polypropylene or polystyrene, used in coagulation work and bacteriology.
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The reagent reservoir is a 75 ml trough that holds reagent for multichannel pipettes when filling microtiter plates in molecular biology, immunology and clinical laboratories. It is moulded in polypropylene and can be autoclaved (SKU JA-PA-75).
Note: The reagent reservoir is a 75 ml trough that holds reagent for multichannel pipettes when filling microtiter plates in molecular biology, immunology and clinical laboratories.
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The polypropylene retort stand is a non-corrosive replacement for the metal stand used to hold clamps, burettes, funnels and flasks in chemistry laboratories.
Note: The polypropylene retort stand is a non-corrosive replacement for the metal stand used to hold clamps, burettes, funnels and flasks in chemistry laboratories.
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The polypropylene scintillation vial rack holds scintillation vials upright for storage, handling and sample preparation. Two racks are listed: one takes 90 vials of 8 ml and the other 50 vials of 20 ml.
Note: The polypropylene scintillation vial rack holds scintillation vials upright for storage, handling and sample preparation.
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The acrylic Petri dish rack keeps stacks of culture plates tidy during inoculation, incubation and storage in microbiology laboratories.
Note: The acrylic Petri dish rack keeps stacks of culture plates tidy during inoculation, incubation and storage in microbiology laboratories.
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The polycarbonate microcentrifuge tube rack holds 1.5 ml microcentrifuge tubes in numbered and lettered positions for molecular biology and biochemistry work.
Note: The polycarbonate microcentrifuge tube rack holds 1.5 ml microcentrifuge tubes in numbered and lettered positions for molecular biology and biochemistry work.
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This Petri dish rack holds culture plates in stacks during inoculation, incubation and storage. Clear acrylic panels on polycarbonate posts leave the cultures visible from every side.
Note: This Petri dish rack holds culture plates in stacks during inoculation, incubation and storage.
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RIA tubes of 12 x 75 mm are plain round tubes used in radioimmunoassay, coagulation and bacteriology work.
Note: RIA tubes of 12 x 75 mm are plain round tubes used in radioimmunoassay, coagulation and bacteriology work.
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This polypropylene rack stores scintillation vials upright while samples are prepared and handled. The 8 ml version takes 90 vials and the 20 ml version takes 50.
Note: This polypropylene rack stores scintillation vials upright while samples are prepared and handled.
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Rheumatoid Arthritis Generic Joint Model (SKU JA-AM-299): set of four generic joints showing the progression of rheumatoid arthritis from normal to severe, with illustrations and written descriptions.
Note: Set of four generic joints showing rheumatoid arthritis progression, supplied by JaincoLab. For teaching use only.
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Reflecting Mirror (SKU JA-M-927): reflective glass mirror for microscope illumination. Diameter, faces and mounting confirmed on the quotation. Supplied by JaincoLab.
Note: Microscope reflecting mirror; size and mounting confirmed on the quotation.
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RF oscillator covering 100 kHz to 30 MHz in eight bands with modulated and continuous-wave output; 400 Hz modulation at 30% depth, also available at output terminals; frequency accuracy within 2%.
Note: RF signal source, 100 kHz-30 MHz in eight bands, 400 Hz modulation at 30% depth, CW output.
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Fixed-frequency RF oscillator working at approximately 3 MHz with high output voltage and dial calibration, used mainly in ultrasound and Lecher wire experiments.
Note: RF oscillator, approx. 3 MHz, high output, for Lecher wire and ultrasound experiments.
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AM and FM RF oscillator for testing and aligning radio and TV receivers: 200 kHz to 280 MHz in seven bands, AM at 400 Hz and 1 kHz, FM modulation switched in automatically above 50 MHz, output variable 0-200 mV.
Note: RF oscillator, 200 kHz-280 MHz in seven bands, AM 400 Hz/1 kHz, automatic FM above 50 MHz, 0-200 mV output.
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Radioactive sources for nuclear physics practicals, supplied by JaincoLab; beta, gamma and alpha sources are listed. Source type, activity and supply terms are confirmed on the quotation.
Note: Beta, gamma and alpha sources listed; details confirmed on the quotation.
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Four probe set-up for semiconductor resistivity at different temperatures and band gap: mounted Ge crystal, oven to 200 ยฐC, 0-200 ยฐC thermometer, digital constant current supply, 200 mV millivoltmeter, 3.5 digit LED displays.
Note: Four probe resistivity and band gap set-up with Ge crystal, oven, constant current supply and millivoltmeter.
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Apparatus for verifying the laws of resistances in series and parallel: two moving-coil meters, circuit diagram for series and parallel connections printed on the panel, resistances mounted along the circuit; 10 x 8 x 3 in.
Note: Series and parallel resistance apparatus with two moving-coil meters and printed circuit.
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Apparatus for studying RC circuits as low pass and high pass filters: printed low pass and high pass filter circuits, three resistances, three capacitors, connections on terminals; signal from an AF function generator (type TE-93 named in the listing).
Note: RC low pass and high pass filter apparatus with three resistors and three capacitors.
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Apparatus for the voltage gain and frequency response of a two-stage RC coupled transistor amplifier: two transistors on the front panel and a built-in regulated DC supply; function generator TE-93, VTVM and CRO optional.
Note: Two-stage RC coupled transistor amplifier apparatus with built-in regulated DC supply.
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RC coupled amplifier apparatus with an inbuilt power supply and two inbuilt AC millivoltmeters, one reading the input signal and one the output, so the gain can be found without external meters.
Note: RC coupled amplifier with inbuilt power supply and two AC millivoltmeters for input and output.
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Moulded rubber filter aid that supports and seals a filter crucible or funnel in the neck of a filtering flask: 75 mm disc with flat seal face, 21 mm hole and tapered 32 mm collar. Supplied by JaincoLab.
Note: Moulded rubber disc for sealing funnels and crucibles on filter flasks.
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The RF oscillators board is a panel for radio-frequency oscillator practicals, built around a PNP transistor with a variable gang condenser and an internally connected -9 V DC, 50 mA IC-regulated supply.
Note: The RF oscillators board is a panel for radio-frequency oscillator practicals, built around a PNP transistor with a variable gang condenser and an internally connected -9 V DC, 50 mA IC-regulated supply.
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Reduction adapters with a larger ground-glass cone and a smaller ground-glass socket, product code JA-LAOK-1566, listed from B14 cone / B10 socket up to B55 cone / B34 socket, with standard combinations in between.
Note: Reduction adapter range from B14 cone / B10 socket up to B55 cone / B34 socket. Give the cone and socket sizes for each order line.
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Rubber ring from the JaincoLab screw cap, stopper and stopcock range, product code JA-SCSAS-1653, available in white, black and red, for use with screw caps and glassware fittings. Size and quantity are confirmed on the quotation.
Note: Rubber ring available in white, black and red. State the colour, size and quantity when ordering.
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Rolled rim vials in neutral glass with closure, product code JA-STAV-1682, listed in five sizes: 2, 3, 4, 6 and 8 dram, from 7.0 ml (34 x 23 mm) to 28.25 ml (72 x 27 mm).
Note: Neutral glass rolled rim vials with closure in 2, 3, 4, 6 and 8 dram sizes (7 to 28.25 ml).
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Neutral glass rolled rim vials supplied with closures, product code JA-STAV-1683, listed in 2, 3, 4, 6 and 8 dram sizes from 7.0 ml to 28.25 ml, for bulk sample and reagent storage.
Note: Neutral glass rolled rim vials with closures, 2 to 8 dram, 7.0 to 28.25 ml.
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Replacement sleeve with screw cap for stirrer glands, product code JA-S-1692, made to fit a 6 mm stirrer shaft with a size 14 thread, for renewing worn sleeves without replacing the whole gland.
Note: Replacement sleeve with screw cap for a 6 mm stirrer shaft, size 14 thread.
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Redwood Viscometer (SKU JA-ALI-1705), No. 1 and No. 2 electrical models with Dimmerstat: silver-plated brass oil cup, stainless steel jet, chromium-plated bath, stand with levelling feet, ball valve, spirit level and 50 ml receiver, 220 V.
Note: Redwood No. 1 is listed for oils up to 2000 seconds at the test temperature and Redwood No. 2 for oils above that. Thermometers IP 8C, IP 9C and IP 10C are extras.
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Rain Gauge (JA-MLI-1851): school rain gauge set with a metal case and removable lid to collect rainfall and a plastic calibrated jar marked in centimetres, for comparing rainfall across seasons.
Note: Rain gauge with metal collecting case and centimetre-calibrated plastic jar.
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Ring of Theorems (JA-MLI-1853): manipulative for circle properties - opposite angles of a cyclic quadrilateral, the angle in a semicircle and angles in the same segment - supplied with rubber bands and a reusable storage box.
Note: Circle theorem manipulative with rubber bands and storage box.
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Roman Number Kit (JA-MLI-1855): square tiles printed with Roman numerals - small tiles for students and big magnetic tiles for teacher demonstration - in a reusable storage box, for group and class activities.
Note: Roman numeral tile kit with student tiles and magnetic teacher tiles in a storage box.
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Ranging Rod Metal (JA-MLK-1929): 25 mm diameter steel conduit pipe ranging rod painted alternately international orange and white, with an iron shoe, in 2 m and 3 m single and folding versions.
Note: 25 mm steel ranging rod, orange and white, 2 m or 3 m, single or folding.
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Refrigeration Liquid Bath and Cooling Bath (SKU JA-B-1963): double-walled liquid bath for 5 ยฐC to 90 ยฐC, contact-thermometer control, stirrer with speed regulator, 500 x 250 x 250 mm chamber, about 32 L.
Note: Double-walled refrigerated liquid bath, 5-90 ยฐC, 32 L; its control thermometer contains mercury.
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Tubular four legs base with chrome plated foot ring. Cushioned seat. View Details

The revolving base and durable quality frame of this stool make it the best-suited option View Details

We believe that a warmer design should take into account both the science View Details

Laboratory muffle furnace (SKU JA-LE-2061): mild steel shell in stoving enamel, heating elements on a grooved refractory lining, 1000ยฐC maximum and 940ยฐC working temperature, energy regulator control, inner muffle sizes 225x100x100 to 450x225x225 mm.
Note: Digital temperature indicator-cum-controller and pyrometer available as options. Inner muffle size to be specified on order.
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Rectangular Muffle Furnace, Industrial Model (SKU JA-LE-2062): MS shell with stoving enamel, kanthal wire elements in grooved refractory, 1000 ยฐC or 1150 ยฐC maximum, energy regulator or optional PID control, 8 chamber sizes.
Note: Industrial rectangular muffle furnace in eight chamber sizes with energy regulator or optional PID control.
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Reciprocating Shaking Machine (SKU JA-S-2070): Khan rack type shaker for racks, bottles and flasks, heavy-duty motor, belt-tension rate adjustment, carriers 20 x 13 x 4 in (250 strokes/min) or 31 x 17 x 4 and 36 x 18 x 4 in (50-250).
Note: Reciprocating shaking machine for Khan racks, bottles and flasks; 0-60 minute timer optional.
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Rotary Shaker (Platform Type), SKU JA-S-2071: stove-enamelled mild steel body, heavy-duty motor for continuous running, fixed or variable speed, platform with rubber discs or wire partitions, 45 x 45 to 100 x 100 cm, 25 to 81 flasks.
Note: Platform rotary shaker for flasks in four platform sizes; 0-60 minute timer optional.
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Rotary Shaker (VDRL Rotator), SKU JA-S-2072: 13 x 13 in carrier on a geared motor with concentric motion, platform with holder clamp and springs, non-slip base, 0-15 minute time switch (with or without timer), 220/230 V.
Note: VDRL-type rotator for slide and card tests, with or without 0-15 minute timer.
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4000 to 5000 R.P.M. fitted with electronic solid state speed regulator. View Details

Refrigerated Water Bath (SKU JA-WB-2283): double-walled bath with SS inner chamber and MS outer, digital temperature controller, glass observation window, immersion heater, 0 to 90 ยฐC, working chamber 500 x 250 x 250 mm; data logger optional.
Note: Refrigerated water bath, 0 to 90 ยฐC, with digital controller, glass window and 500 x 250 x 250 mm stainless steel chamber.
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Rotary Senior Micro tome (SKU JA-M-2327): rotary microtome for serial sections from 1 to 50 microns in 1 micron steps, 28 mm total feed, 37 x 27 mm object clamp, hinged cover, safety device, 120 mm razor, three object holders.
Note: Rotary microtome for serial sections 1-50 microns in 1 micron steps, with hinged cover and safety device.
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Respiration Pump (SKU JA-RP-2381): all-metal single-cylinder pump with mechanically operated valve, stroke adjustable to 250 cc, 3-slot driving cone (6, 9, 12 in), 0.25 HP 220 V AC motor on castor-wheeled base.
Note: Motor-driven single-cylinder respiration pump with stroke adjustable up to 250 cc for artificial ventilation of laboratory animals.
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Rat Operating Table (SKU JA-ROT-2385): operating table for rats and similar small laboratory animals, with the top adjustable for inclination on its stand. Size and material confirmed on the quotation.
Note: Rat operating table with a top adjustable for inclination on its stand, for pharmacology and physiology practicals.
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Rotary Kiln Incinerator (SKU JA-I-2442): incinerator for industrial or domestic waste with primary, secondary and settling chambers, castable refractory lining, gasketed doors, weatherproof control panel and 1 HP centrifugal fan; mild steel, 400 mm duct.
Note: Rotary kiln incinerator for industrial and domestic waste, with three ash-door chambers and digital temperature control.
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Refraction Through a Glass Slab Chart (SKU JA-PC-2897): 58 x 90 cm laminated and full-colour wall chart on the refraction of light through a rectangular glass slab with plastic rollers.
Note: Laminated and full-colour 58 x 90 cm wall chart on the refraction of light through a rectangular glass slab with plastic rollers, for Class 10 science and Class 12 physics.
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Refraction Through Prisms Chart (SKU JA-PC-2898): 58 x 90 cm laminated and full-colour wall chart on the refraction of light through a prism with plastic rollers.
Note: Laminated and full-colour 58 x 90 cm wall chart on the refraction of light through a prism with plastic rollers, for Class 10 science and Class 12 physics.
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Refraction Through Lenses Chart (SKU JA-PC-2899): 58 x 90 cm laminated and full-colour wall chart on the refraction of light through convex and concave lenses with plastic rollers.
Note: Laminated and full-colour 58 x 90 cm wall chart on the refraction of light through convex and concave lenses with plastic rollers, for Class 10 science and Class 12 physics.
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Radioactivity Chart (SKU JA-PC-2927): 58 x 90 cm wall chart on radioactivity, printed in full colour on 130 gsm coated paper, laminated on both sides with 30 micron heat-sealable polyester film and fitted with plastic rollers. English text.
Note: Laminated and full-colour 58 x 90 cm wall chart on radioactivity with plastic rollers, for Class 12 physics.
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Radio Telescope Chart (SKU JA-PC-2928): 58 x 90 cm wall chart on the radio telescope, printed in full colour on 130 gsm coated paper, laminated on both sides with 30 micron heat-sealable polyester film and fitted with plastic rollers. English text.
Note: Laminated and full-colour 58 x 90 cm wall chart on the radio telescope with plastic rollers, for Class 12 physics and school astronomy clubs.
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RNA Chart (SKU JA-GSC-2942): 58 x 90 cm wall chart on the structure and types of RNA, printed in full colour on 130 gsm coated paper, laminated on both sides with 30 micron heat-sealable polyester film and fitted with plastic rollers. English text.
Note: Laminated and full-colour 58 x 90 cm wall chart on the structure and types of RNA with plastic rollers, for Class 12 biology and B.Sc genetics.
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Renewable Sources of Energy Chart (SKU JA-GSC-2952): 58 x 90 cm laminated and full-colour wall chart on renewable sources of energy with plastic rollers.
Note: Laminated and full-colour 58 x 90 cm wall chart on renewable sources of energy with plastic rollers, for middle-school and secondary science.
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Reproductive Chart (Female) (SKU JA-HPC-2993): 70 x 100 cm wall chart on female reproductive system, printed on synthetic paper in original colours. English text.
Note: 70 x 100 cm wall chart on female reproductive system, for biology classes and paramedical and nursing courses.
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Raja Ramanna Life Sketch Chart (SKU JA-LSOS-3027): 70 x 100 cm wall chart on Raja Ramanna, printed on synthetic paper in original colours.
Note: 70 x 100 cm wall chart on Raja Ramanna, for school science classrooms and laboratories.
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Roller Bandages Chart (SKU JA-FAC-3072): 50 x 75 cm wall chart on roller bandages, laminated on both sides with thick plastic film and fitted with plastic rollers.
Note: Laminated 50 x 75 cm wall chart on roller bandages with plastic rollers, for first aid training and school health education classes.
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Removal of Foreign Bodies Chart (SKU JA-FAC-3082): 50 x 75 cm wall chart on removal of foreign bodies, laminated on both sides with thick plastic film and fitted with plastic rollers.
Note: Laminated 50 x 75 cm wall chart on removal of foreign bodies with plastic rollers, for first aid training and school health education classes.
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Roman Numeral Chart (SKU JA-MPC-3105): 50 x 75 cm wall chart on Roman numerals, laminated, printed in colour and available in an English or a Hindi version.
Note: Laminated 50 x 75 cm wall chart on Roman numerals, for primary school mathematics classes.
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Rocks and Minerals Chart (SKU JA-COG-3110): 70 x 100 cm wall chart on rocks and minerals, listed in an English-only version (Syn.) and an English and Hindi combined version (Lam.).
Note: 70 x 100 cm wall chart on rocks and minerals, for middle and secondary school geography classes.
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Rivers Landscape Chart (SKU JA-CFOTE-3143): 50 x 75 cm wall chart on river landforms, printed in multicolour on 80 gsm map litho paper, laminated on both sides with hot-seal polyester film and fitted with plastic rollers at top and bottom.
Note: Laminated and full-colour 50 x 75 cm wall chart on river landforms with plastic rollers, for secondary school geography classes.
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Road Traffic Signs Chart (SKU JA-SC-3189): 50 x 75 cm (small size) wall chart on road traffic signs; lamination, mounting and language are confirmed on the quotation.
Note: 50 x 75 cm wall chart on road traffic signs, for pre-primary and primary classes.
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Revolutionaries Chart (SKU JA-SFIF-3229): 50 x 75 cm wall chart on the revolutionaries of the freedom struggle, printed in colour, explaining the topic in pictures and words.
Note: 50 x 75 cm wall chart on the revolutionaries of the freedom struggle, for school history and social studies classes.
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Reconciliation of Differences Chart (SKU JA-NIC-3243): 50 x 75 cm wall chart on national integration ("Reconciliation of Differences"), laminated and fitted with plastic rollers.
Note: Laminated 50 x 75 cm wall chart on national integration ("Reconciliation of Differences") with plastic rollers, for primary and middle school classes.
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Rani Jhansi Life Sketch Chart (SKU JA-LSOGM-3250): 50 x 75 cm wall chart on the life of Rani Lakshmibai of Jhansi, laminated and fitted with plastic rollers.
Note: Laminated 50 x 75 cm wall chart on the life of Rani Lakshmibai of Jhansi with plastic rollers, for school history and social studies classes.
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Rabindra Nath Tagore Life Sketch Chart (SKU JA-LSOGM-3251): 50 x 75 cm wall chart on the life of Rabindranath Tagore, laminated and fitted with plastic rollers.
Note: Laminated 50 x 75 cm wall chart on the life of Rabindranath Tagore with plastic rollers, for school history and social studies classes.
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Rank Badges Chart (SKU JA-APANC-3293): 50 x 75 cm wall chart on rank badges, laminated on both sides with thick plastic film and fitted with plastic rollers.
Note: Laminated 50 x 75 cm wall chart on rank badges with plastic rollers, for NCC, army and police training classes.
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Rajasthan Political Map Chart (SKU JA-SMP-3316): 70 x 100 cm wall chart on the map of Rajasthan with plastic rollers.
Note: 70 x 100 cm wall chart on the map of Rajasthan with plastic rollers, for school geography and social studies classes.
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R M Bottle Top Dispenser (SKU JA-BTD-3333): reagent dispenser in seven ranges from 0.25-2.5 ml to 50-400 ml, PTFE piston, glass barrel in polypropylene sleeve, springless PTFE valves, nozzle cap, calibration tool, adaptors 28-45 mm.
Note: Glass-barrel bottle top dispenser in seven ranges up to 400 ml, supplied by JaincoLab.
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Ranging rod (SKU JA-SE-3399): coloured pole with smooth finish for tracing out lines on the ground and marking survey stations; material, length and banding confirmed on the quotation.
Note: Coloured ranging rod for marking survey lines, made by JaincoLab.
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Roadometer (SKU JA-MI-3427): road measuring wheel with memory for data storage and recall, extendable handle, water and dust resistant buttons and robust construction; wheel size confirmed on the quotation.
Note: Road measuring wheel with memory, supplied by JaincoLab.
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Roman Number Kit (SKU JA-NC-3612): square tiles printed with Roman numerals - small tiles for students and big magnetic tiles for teacher demonstration - in a reusable storage box.
Note: Roman numeral tiles for students and magnetic teacher tiles, in a storage box.
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Drum is very strong, Sturdy and durable with metal body and plastic brackets. View Details

Ring of Theorems (SKU JA-T-3699): circle theorem ring with rubber bands and a reusable storage box, for exploring cyclic quadrilaterals, the angle in a semicircle and angles in the same segment.
Note: Circle theorem ring with rubber bands in a reusable storage box.
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Constructed from light weight and durable foam laminated fabric mesh. View Details

Offered support alleviating pain/discomfort by acting as support for displaced uterus. View Details

Rectal Tube, Size: 51cm x 12, 14, 16, 18, 20, 22, 24, 26 & 28 FR. View Details

Overall Size Top 300 mm dia. with HT. adjustable from 510 mm to 710 mm. View Details

Doctor/nurse stool. Height adjustable. View Details

Rotary Vacuum Evaporator (SKU JA-WDP-3928): pear-shaped evaporating flask rotated by heavy duty motor with speed regulator in a digital water bath, digital RPM meter, motorised auto lift, condenser with standard joints for receiver flask.
Note: Rotary vacuum evaporator with digital water bath, speed regulator, RPM meter and motorised auto lift.
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Refrigerated Circulating Liquid Bath (SKU JA-WB-3948): compact refrigerated and heating circulator with built-in pump, stainless steel bath and lid, powder-coated CRC outer body, PUF insulation, for cooling external equipment. Supplied by JaincoLab.
Note: Refrigerated heating and cooling circulator with built-in pump and stainless steel bath for external temperature control.
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Rectangular Water Bath (SKU JA-WB-3962): double-walled thermostatic bath, stainless steel inner chamber, powder-coated MS outer, glass wool insulation, up to 100 ยฐC, concentric rings, pilot lamp, plug cord, 220 V AC 50 Hz.
Note: Double-walled thermostatic water bath with stainless steel chamber and concentric rings, up to 100 ยฐC.
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Research Polarimeter (SKU JA-GLE-4007): half shadow polarimeter, glass circle 0-360ยฐ read to 0.05ยฐ (0.02ยฐ by estimation), sugar scale 30-120ยฐ ISS, sodium vapour lamp with holder and transformer, 220 mm and 400 mm tubes.
Note: Half shadow research polarimeter with 0-360ยฐ circle, ISS sugar scale and sodium vapour lamp.
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Red Wood Viscometer (SKU JA-GLE-4009): efflux-time viscometer for measuring the viscosity of lubricating and fuel oils in Redwood seconds, for petroleum, engineering and quality control laboratories. Specification confirmed on the quotation.
Note: Redwood efflux-time viscometer for oil viscosity; the detailed specification is confirmed on the quotation.
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Apparatus (SKU JA-PLE-4175) for determining the resolving power of a telescope in college and B.Sc optics practicals; components and accessories are confirmed on the quotation.
Note: Configuration is confirmed on the quotation.
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Rutherford scattering apparatus (SKU JA-PLE-4278) for alpha-particle scattering experiments demonstrating the nuclear model of the atom in university and college physics; configuration confirmed on the quotation.
Note: Chamber, source, detector and counting equipment are confirmed on the quotation.
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Retort stand set of 3 items (SKU JA-CE-4312): 200 x 125 mm powder-coated mild steel base, 12 x 600 mm chrome-plated rod and a 260 x 85 mm retort clamp with rubber jaws and boss head. Parts also supplied singly.
Note: Base 200 x 125 mm (mild steel sheet, 5 mm, blue powder coated); rod 12 x 600 mm chrome plated; clamp 260 x 85 mm with boss head for rods up to 16 mm.
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Superior retort stand (SKU JA-CE-4313) with a heavy 8x5 base die-made from 5 mm mild steel sheet with blue powder coating and a 600 x 10 mm chrome-plated rod, for steady support of flasks, burettes and condensers.
Note: Heavy 8x5 base of 5 mm mild steel sheet, blue powder coated; chrome-plated rod 600 mm x 10 mm. Clamps are ordered separately.
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Retort clamp (SKU JA-CE-4315) made from CR sheet with an MS boss head, mainly used to hold single and double burettes on a retort stand; offered in 2, 3 and 4 finger types and in aluminium die-cast and zinc pressure versions.
Note: CR sheet clamp with MS boss head; 2, 3 and 4 finger, aluminium die-cast and zinc pressure types are listed.
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Rubber corks / stoppers (SKU JA-CE-4317) of high-quality, low-sulphur rubber for glass or plastic test tubes and Erlenmeyer flasks; available in different sizes, solid, with one hole or with two holes.
Note: High-quality rubber with low sulphur content. Supplied solid, one-hole or two-hole, in different sizes.
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Revolving bosshead (SKU JA-CE-4323) with a grey coating, used to join a clamp or cross-rod to a retort stand rod; the joint can be rotated so the clamp is set at the angle the apparatus needs.
Note: Grey-coated revolving bosshead for retort stand assemblies; rod size range is confirmed on the quotation.
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Retort rod (SKU JA-CE-4324), the upright support rod of a laboratory retort stand, made in 300, 500, 600, 750 and 1000 mm lengths to carry bossheads, clamps and rings at the height the apparatus needs.
Note: Standard lengths 300, 500, 600, 750 and 1000 mm; rod diameter and thread are confirmed on the quotation.
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Retort ring with bosshead (SKU JA-CE-4325), zinc plated, with the ring and bosshead combined in one assembly that clamps directly onto a retort stand rod to support funnels, flasks and beakers at the required height.
Note: Zinc-plated ring with attached bosshead for retort stand rods; ring diameter is confirmed on the quotation.
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Retort plate, side cut (SKU JA-CE-4337): a textured powder-coated plate for retort stands, made in 6 x 4 inch and 8 x 5 inch sizes, for building new stands or replacing worn plates in school and college laboratories.
Note: Textured powder coating; sizes 6 x 4 inch and 8 x 5 inch.
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Rocks and Minerals Test Kit (SKU JA-ERAM-4370): Mohs hardness set (talc to corundum) plus magnetite, with knife, streak, glass, iron and copper plates, garnet board, magnet, hand lens, empty acid drop bottle and manual, supplied by JaincoLab.
Note: Mineral testing kit for hardness, streak, magnetism and acid reaction tests; the acid drop bottle is supplied empty.
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Reverse Fault Model (SKU JA-ERAM-4410): structural geology model of a reverse fault, where the hanging wall block moves up relative to the footwall under crustal compression. Size and material are confirmed on the quotation.
Note: Structural geology model of a reverse fault; size, material and base are confirmed on the quotation.
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River Meander and Ox Bow Lake Model (SKU JA-ERAM-4416): geography model of a river meander and the U-shaped oxbow lake formed when the meander is cut off from the main stream. Size and material are confirmed on the quotation.
Note: Landform model of a river meander and oxbow lake; size, material and base are confirmed on the quotation.
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River in Action 3D Model (SKU JA-ERAM-4432): 70 x 100 cm rigid PVC wall model showing the stages of river action, with markable washable surface, hard backing, aluminium frame and hooks.
Note: Rigid PVC 3D wall model of river action, 70 x 100 cm, with aluminium frame and hooks.
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Rocks and Volcanoes 3D Model (SKU JA-ERAM-4434): 70 x 100 cm rigid PVC wall model showing sedimentary, igneous and metamorphic rocks and volcanoes, with markable surface, hard backing, aluminium frame and hooks.
Note: Rigid PVC 3D wall model of rocks and volcanoes, 70 x 100 cm, with aluminium frame and hooks.
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Rotary Microtome (SKU JC-BE-4453): sectioning microtome with heavy base and hinged cover over the mechanism and knife holder, ratchet-wheel feed, front feed indicator, rear feed setting and automatic feed disengagement.
Note: Rotary microtome with ratchet feed, front feed indicator and automatic feed disengagement for sectioning biological specimens.
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Rectangular Fraction (Magnetic) (JA-MLK-4472): magnetic set of coloured rectangular pieces representing one whole, halves, thirds, fourths, fifths, sixths, eighths and tenths, for fraction demonstrations.
Note: Magnetic coloured rectangular fraction pieces from one whole to tenths.
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Ratio of area of similar triangles (Magnetic) (JA-MLK-4483): magnetic set of 4 parts showing that the ratio of the areas of two similar triangles equals the square of the ratio of their corresponding sides.
Note: 4-part magnetic set on the area ratio of similar triangles.
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Rain Gauge with Plastic Measuring Cylinder: a GI sheet rain gauge supplied with a plastic measuring cylinder, for measuring the amount of precipitation over a set period in school geography and weather studies.
Note: GI sheet rain gauge with plastic measuring cylinder.
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Ray Box with Optical Kit: a ray box supplied with an optical set of lenses, accessories and a manual, for ray and colour experiments in school and college optics practicals.
Note: Ray box with optical lens set, accessories and manual.
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Ray Box (Metal): ventilated metal lamp house with external fins, grooves for slit plate and cylindrical lens, 12 V lamp with 1 m twin flex and banana plugs, and single/triple slit plate, for parallel rays and colour effects.
Note: Metal ray box with 12 V lamp, slit plate and grooves for a cylindrical lens.
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Ray Box with Slits (Superior Type): a ray box with slits that can be adjusted to suit the experiment, used as a standard light source for optics experiments in schools, colleges and research laboratories.
Note: Superior-type ray box with adjustable slits.
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Resistance Loose Type (Pack of 100): loose two-terminal resistors in packs of 100 for building circuits in physics and electronics practicals; resistance values and wattage are confirmed on the quotation.
Note: Loose resistors, pack of 100; values on quotation.
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Resistance Box Plug Type (Superior Type): plug-type resistance boxes of 100, 500 and 1000 ohms for physics laboratories, used to measure unknown resistance; resistors listed as calibrated to an accuracy of +/-0.1%.
Note: Superior plug-type resistance box, 100, 500 or 1000 ohms.
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Resistance Box Electronic Type: electronic resistance boxes in 50, 100, 500 and 1000 ohm versions for general physics laboratory experiments.
Note: Electronic-type resistance box, 50 to 1000 ohms.
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Resistance Box Plug Type (Economy Type): regular-quality plug-type resistance boxes of 50, 100, 500 and 1000 ohms for finding unknown resistance in physics practicals; resistors listed as calibrated to +/-0.1%.
Note: Economy plug-type resistance box, 50 to 1000 ohms.
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Resistance Box Decade Type (Single Dial): a decade resistance box whose knob selects discrete resistance values, in single-dial ranges of 0-1, 0-10, 0-100 and 0-1000 ohms.
Note: Single-dial decade resistance box, 0-1 to 0-1000 ohm ranges.
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Resistance Coils with Bell Terminals: resistance coils mounted in a round Bakelite case with two bell terminals and the value written on it, in 2, 3, 5, 10, 20, 50 and 100 ohm values.
Note: Bakelite-cased resistance coils with bell terminals, 2 to 100 ohms.
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Resistance Coils with Sockets: resistance coils mounted in a round Bakelite case fitted with sockets, in 1, 2, 3, 5, 10, 20, 50 and 100 ohm values for physics laboratory use.
Note: Bakelite-cased resistance coils with sockets, 1 to 100 ohms.
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Retort Stand (Set of 3): a retort stand set of three items, the stand, a 4-finger clamp and a boss head, used to hold laboratory glassware and other equipment in place.
Note: Retort stand set: stand, 4-finger clamp and boss head.
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Retort Stand Base: 8 x 5 in heavy or regular base with a 600 mm x 10 mm or 450 mm x 8 mm rod, in chrome-plated, zinc-plated or hammertone finish, offered in JaincoLab brand and economy types.
Note: 8 x 5 in retort stand base with 600 or 450 mm rod.
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Retort Clamp (4 Finger): an aluminium pressure die-cast clamp with rubber-covered jaws and iron and brass screws, for holding larger glassware and odd-shaped objects; JaincoLab brand and regular quality.
Note: Four-finger aluminium die-cast retort clamp with rubber-covered jaws.
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Retort Clamp (3 Finger): a three-finger retort clamp of aluminium pressure die casting with rubber-covered jaws, for gripping larger glassware and odd-shaped objects on a stand.
Note: Three-finger aluminium die-cast clamp with rubber jaws.
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Retort Clamp Fisher Type: a Fisher-type burette clamp for holding a single or double burette on a stand, with a mild steel sheet boss head and powder-coated finish.
Note: Fisher-type burette clamp for one or two burettes, powder coated.
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Rheostats (Nichrome Type): sliding rheostats using nichrome wire as the resistance, with a contact on a chrome-plated slider rod and bell terminals, in 10, 20, 30, 50 and 100 ohm values.
Note: Nichrome sliding rheostat, 10 to 100 ohms, bell terminals.
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Rheostats (Continuous Constantine Type): continuous sliding rheostats wound with constantan wire, adjusted by a contact on a chrome-plated slider rod, with bell terminals, in 10, 20, 30, 50 and 100 ohm values.
Note: Continuous constantan rheostat, 10 to 100 ohms.
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Rubber Corks (without Holes): solid rubber corks in sizes No. 2, 7 and 13, for test tubes, 24 mm boiling tubes and 250 ml flasks, supplied in packs of one hundred.
Note: Solid rubber corks No. 2, 7 and 13, pack of 100.
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Rubber Corks (with One Hole): rubber corks with a single bore in sizes No. 2, 7 and 13, fitting test tubes, 24 mm boiling tubes and 250 ml flasks, in packs of one hundred.
Note: One-hole rubber corks No. 2, 7 and 13, pack of 100.
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Rubber Corks (with Two Holes): two-hole rubber corks in sizes No. 2, 7 and 13 for test tubes, 24 mm boiling tubes and 250 ml flasks, supplied in packs of one hundred.
Note: Two-hole rubber corks No. 2, 7 and 13, pack of 100.
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Rubber Tubing Silicon: silicone rubber tubing of 5 mm diameter, made for use with burette clips, supplied in rolls of 10 metres for science laboratories.
Note: Silicone rubber tubing, 5 mm, 10 m roll.
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Ripple Tank (SKU JA-MI-4874): ripple tank apparatus in 22 x 22 inch and 15 x 15 inch sizes, supplied complete with vibrator, light source, power supply and standard accessories for demonstrating wave motion, refraction, diffraction and interference.
Note: Ripple tank in 22 x 22 inch and 15 x 15 inch sizes, with vibrator, light source and power supply, for wave demonstrations.
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Rubber Cone (SKU JA-MI-4913): natural rubber cone that provides stability to the filtration flask set-up, shore hardness 45, temperature range -30 to 70ยฐC; size confirmed on the quotation.
Note: Natural rubber cone for filtration flask set-ups, shore hardness 45, -30 to 70ยฐC.
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Refractometer (SKU JA-MI-4929): digital Brix refractometer, 0 to 85% Brix, resolution 0.1%, accuracy 0.2% Brix, temperature 0 to 80ยฐC, automatic compensation 10 to 40ยฐC, yellow LED, 1.5 s reading, 100 microlitre sample, 9 V battery.
Note: Digital Brix refractometer, 0 to 85% Brix, 0.2% accuracy, automatic temperature compensation.
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Ragg Type Tuning Fork (SKU JA-MI-4951): Ragg type tuning fork in blue steel for sound, resonance and sonometer experiments in school and college physics laboratories; frequencies confirmed on the quotation.
Note: Ragg type tuning fork in blue steel; frequencies confirmed on the quotation.
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Reference Card Cabinet (SKU JA-LS-5002): card drawers with steel rod and screw-fixed metal plate, knob and index card holder, restraining lever; MDF drawer frame with laminated front; stand with castor wheels listed.
Note: Reference card cabinet with rod-and-plate card drawers and restraining lever.
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Reprint Boxes (SKU JA-LS-5003): boxes for keeping reprints, with kail wood frame and plywood bottom, a clamp inside, an index card holder and clips outside, and a spirit polish finish.
Note: Kail wood reprint boxes with inner clamp and outer card holder.
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Regulated Variable Power Supply (SKU JA-LS-5006): regulated output variable from 0 to 30 V at 1 A, separate digital panel meters for voltage, and protection against short circuit.
Note: Regulated variable power supply, 0-30 V / 1 A, short-circuit protected.
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Retort Rod (SKU JA-LS-5033): rod for retort stands and clamp assemblies in iron, chrome-plated iron or stainless steel; sizes listed 50, 75, 100, 125 and 150 mm.
Note: Retort rod in iron, chrome-plated iron or stainless steel, five sizes.
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Round Magnetic Stirring Bar (SKU JA-LS-5053): round PTFE stirring bar with Alnico V magnet and pivot ring, for use on magnetic stirrers.
Note: Round PTFE stirring bar with pivot ring and Alnico V magnet.
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Roll Litmus Paper (SKU JA-LS-5083): red litmus paper x 100 strips and blue litmus paper x 100 strips, in resealable vials with 5 booklets in each vial, for acid-base testing. Supplied by JaincoLab.
Note: Red and blue litmus paper, 100 strips each, resealable vials.
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Respirometer (SKU JA-LS-5086): two stoppered glass boiling tubes linked by three-way taps to a graduated U-tube manometer, with wire basket and 1 mL syringe, for comparing gas exchange by small organisms during respiration.
Note: Respirometer with graduated U-manometer, control thermo-barometer tube, wire basket and 1 mL syringe.
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Respirometer Model (SKU JA-PE-5117): three-chamber breathing exerciser whose three balls of different size and colour rise in proportion to inspiration; dismantles for cleaning and disinfection; non-sterile, individually boxed. Supplied by JaincoLab.
Note: Three-ball inspiratory breathing exerciser for teaching; dismantles for cleaning, supplied non-sterile and boxed.
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Rickets Model (SKU JC-BE-5154): gross pathology / skeletal teaching model depicting skeletal deformities of rickets (vitamin D deficiency), for classroom and laboratory teaching of nutritional deficiency pathology.
Note: Teaching model depicting skeletal deformities of rickets (vitamin D deficiency) for nutritional deficiency pathology classes.
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Rhabdo Virus Model (SKU JC-BE-5219): enlarged virus structure teaching model depicting structure of a rhabdovirus, for classroom and laboratory teaching of virus structure.
Note: Teaching model depicting structure of a rhabdovirus for virus structure classes.
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Reading Telescope (SKU JA-ELA-5404): achromatic objective of about 178 mm focal length and 23 mm clear aperture, 8x Ramsden eyepiece with cross-line graticule, rack and pinion focusing from about 1000 mm to infinity; mounts on a retort stand.
Note: Reading telescope with 23 mm achromatic objective, 8x Ramsden eyepiece and rack and pinion focusing.
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Reagent Bottle Amber Colour (SKU JA-ELA-5405): amber borosilicate glass bottle for storing liquid or powder chemicals that are sensitive to light and ultraviolet rays; available in different capacities, confirmed on the quotation.
Note: Amber borosilicate glass reagent bottle for light-sensitive chemicals, in several capacities.
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Retort Ring with Boss Head (SKU JA-ELA-5406): iron ring with a boss head and plastic tightening knob for clamping to a retort stand rod; ring sizes 50, 75, 100, 125 and 150 mm.
Note: Iron retort ring with boss head and plastic knob, in sizes 50 to 150 mm.
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Round Bottom Flask with Joint (SKU JA-ELA-5407): borosilicate glass round bottom flask with joint, in different capacities; jointless round bottom flasks are also available. Joint size and capacity are confirmed on the quotation. Supplied by JaincoLab.
Note: Borosilicate glass round bottom flask with joint, in different capacities; jointless version also available.
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Rubber Hammer (SKU JA-ELA-5410): rubber-headed hammer with a comfortable wooden handle, head fixed by a special insertion process so it stays tight; length about 300 mm, weight 16 oz. Supplied by JaincoLab.
Note: Rubber hammer, 16 oz, about 300 mm long, with wooden handle.
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Round Table Microscope (SKU JA-ELA-5481): monocular microscope on hinged horseshoe base, inclinable 90 degrees; triple/quadruple nosepiece, rack-and-pinion coarse and 0.002 mm fine focus, 120 mm stage, NA 1.25 Abbe condenser.
Note: Monocular round table microscope with mechanical stage and NA 1.25 Abbe condenser.
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Rubber in Shear Apparatus (SKU JA-ELA-5516): wall-mounted rubber block 150 x 75 x 25 mm bonded between two aluminium alloy plates, loaded in shear by a weight hanger with a dial gauge for deflection; for modulus of rigidity. Supplied by JaincoLab.
Note: Wall-mounted rubber-in-shear apparatus with dial gauge for modulus of rigidity experiments.
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Elastic rubber bands in assorted sizes, supplied by JaincoLab in packs of approximately 1000 for general laboratory use.
Note: Assorted elastic rubber bands, about 1000 per pack.
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Retort stand bases in 250 x 150 mm, 200 x 125 mm and 160 x 100 mm, listed with matching rods of 750 x 12 mm, 600 x 9 or 12 mm and 450 x 9 mm.
Note: Retort stand bases in three sizes, each listed with a matching rod length and diameter.
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Retort stand rods, 12 mm diameter, in 100 cm and 50 cm lengths, for carrying boss heads, clamps and rings on a laboratory stand.
Note: Upright retort stand rods of 12 mm diameter in 100 cm and 50 cm lengths.
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Retort stand ring for supporting a filter funnel, wire gauze or flask on a laboratory stand rod. Ring diameter, finish and fixing are confirmed on the quotation.
Note: Ring support for a retort stand rod. Size is confirmed on the quotation.
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Retort stand clamp for holding test tubes, flasks and condensers on a stand, with a plated metal thumb screw to tighten the jaws. Jaw size and material are confirmed on the quotation.
Note: Stand clamp with a plated metal thumb screw on the jaws.
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Build-it-yourself RNA model: 28 black sugar centres, 25 red phosphate centres, 50 yellow link tubes, 30 colour-coded base tubes and 12 white hydrogen-bond centres.
Note: Colour-coded construction model of nucleic acid structure with 145 parts.
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Wide-mouth borosilicate glass reagent bottles with flat dust-proof stopper, in 1000 ml and 2000 ml capacities, for solid chemicals and stock solutions.
Note: Large wide-mouth borosilicate reagent bottles, 1000 ml and 2000 ml, with dust-proof stoppers.
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Retort stand rings: a closed ring with rod in plated mild steel, 70 mm inside diameter with a 140 mm stem, and a 75 mm closed ring fitted with a boss head.
Note: Closed retort rings: 70 mm ID on a 140 mm stem, and 75 mm with boss head.
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Sliding-contact rheostat on a single tube, 11 ohm, 3 A, with an aluminium rod for the slider and terminals for connection, for varying current in circuits.
Note: Single-tube sliding rheostat, 11 ohm, 3 A.
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Ray box kit for student investigation of lenses and simple optical instruments: a 220 V operated light ray box with bulb and slits, together with the accessories the investigations need.
Note: Student ray box kit with 220 V ray box, bulb, slits and accessories for lens experiments.
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Relationship Between Structure and Function Model (SKU JC-BE-5870): teaching model showing how a biological structure relates to the function it performs. Size and material are confirmed on the quotation.
Note: How a biological structure relates to the function it performs for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.
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Rat Dissection (SKU JA-AM-6014): enlarged dissection model of a rat showing all its vital organs, mounted on a base, for teaching mammalian internal anatomy in school and college zoology.
Note: Enlarged rat dissection model showing the vital organs, mounted on a base.
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Root (SKU JA-AM-6016): plant root model enlarged about 300 times in durable plastic, showing longitudinal and transverse sections, dissectible into 2 parts with a removable crown, on a base with numbered key card.
Note: Plant root model about 300x in durable plastic, LS and TS, 2 parts, on a base with numbered key card.
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Regulation of Gene Expression Model (SKU JC-BE-6096): teaching model showing the mechanisms that control whether and how much a gene is expressed. Size and material are confirmed on the quotation.
Note: The mechanisms that control whether and how much a gene is expressed for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.
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Recombinant DNA Technology Model (SKU JC-BE-6105): teaching model showing the gene cloning steps used to make recombinant DNA. Size and material are confirmed on the quotation.
Note: The gene cloning steps used to make recombinant DNA for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.
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Table-top refrigerated microcentrifuge (SKU JA-CE-6109): 2,000-16,000 rpm microprocessor speed control, PID cooling from room temperature to -8ยฐC, 0-15 min digital timer, 9 inch stainless steel bowl and angle rotor for micro tubes.
Note: Speed 2,000 to 16,000 rpm; cooling to -8ยฐC (PID controller); 0-15 min timer with LCD; SS bowl 9 inch; angle rotor heads for polypropylene micro centrifuge tubes.
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Renal Function Test Model (SKU JC-BE-6111): teaching model showing the key laboratory tests used to assess kidney function. Size and material are confirmed on the quotation.
Note: The key laboratory tests used to assess kidney function for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.
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Reticuloendothelial System Model (SKU JC-BE-6113): teaching model showing the reticuloendothelial system of phagocytic cells in the liver, spleen and bone marrow. Size and material are confirmed on the quotation.
Note: The reticuloendothelial system of phagocytic cells in the liver, spleen and bone marrow for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.
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Table-top refrigerated centrifuge (SKU JA-CE-6115): cooling from room temperature to -8ยฐC, preset speeds 2,000-16,000 rpm (approx., on a 1.5/2 ml head), 0-15 min digital timer, 11 inch stainless steel bowl, 220 V 50 Hz.
Note: Maximum speed depends on rotor size (about 16,000 rpm on a 1.5/2 ml head). Supplied with instruction manual, cord and plug for 220 V, 50 Hz, single phase AC.
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Bench-top refrigerated centrifuge (SKU JA-CE-6116) with a brushless automatic balanced motor up to 20,000 rpm, microprocessor control, 0-99 min digital timer, programmable speed, electronic lid lock, imbalance detector and CFC-free refrigerant.
Note: Maximum 20,000 rpm; brushless automatic balanced motor; digital temperature controller cum indicator with CFC-free refrigerant; electronic safety lid lock and imbalance detector.
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Role of T Cell and B Cells Model (SKU JC-BE-6125): teaching model showing the distinct roles of T and B lymphocytes in adaptive immunity. Size and material are confirmed on the quotation.
Note: The distinct roles of T and B lymphocytes in adaptive immunity for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.
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Reproduction Cycle of Chlamydia Model (SKU JC-BE-6204): teaching model showing the developmental cycle of Chlamydia. Size and material are confirmed on the quotation.
Note: The developmental cycle of Chlamydia for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.
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Replication Cycle of Viruses Model (SKU JC-BE-6214): teaching model showing the stages of the virus replication cycle. Size and material are confirmed on the quotation.
Note: The stages of the virus replication cycle for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.
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Replication of DNA Viruses Model (SKU JC-BE-6215): teaching model showing how DNA viruses replicate. Size and material are confirmed on the quotation.
Note: How DNA viruses replicate for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.
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Rect. Horizontal Autoclave (SKU JA-A-6357): rectangular-chamber horizontal autoclave listed under the Weiber brand, for bulk sterilisation where dry sterilised loads are needed. Supplied by JaincoLab.
Note: Weiber rectangular horizontal autoclave supplied by JaincoLab; chamber size, rating and fittings are confirmed on the quotation.
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Ranging rod (SKU JA-SE-6416): conduit pipe or aluminium, socket type or screw type, fitted with pointed shoe and painted alternately red and white at 20 cm intervals, for marking survey stations.
Note: Red and white ranging rod with pointed shoe, made by JaincoLab for surveying.
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Five-stage reverse osmosis water purification unit that removes 80-90% of the dissolved salts in raw water, recommended where the raw water supply to the laboratory is high in salts.
Note: Five-stage RO unit removing 80-90% of dissolved salts from raw water.
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Rotary shaker (VDRL rotator) with a 300 x 300 mm tray platform for cavity slides, bottles and flasks, up to 180 RPM, epoxy-coated MS body, 220/230 V AC; automatic 0-60 minute timer optional.
Note: Tray-type rotary shaker (VDRL rotator), 300 x 300 mm, up to 180 RPM; timer optional.
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Table-top rotary flask shaker for 50 to 1000 ml Erlenmeyer flasks: rubber discs on ball-bearing crank shafts give orbital motion of about 50 mm, V-belt drive, angle-iron frame, speed controller; RPM counter and timer optional.
Note: Orbital flask shaker for 50-1000 ml conical flasks, about 50 mm orbit, speed controlled.
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Compact cast rotary vacuum pump for laboratory filtration, distillation and general vacuum work: 0.25 HP motor with V-belt drive at 400 RPM, heavy steel base plate and a standard belt guard.
Note: Belt-driven rotary vacuum pump, 0.25 HP, 400 RPM, on a steel base with belt guard.
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Reverse Laminar Flow (SKU JA-CAE-6561): open-front laminar flow workstation with built-in scavenging for product sampling and dispensing, 0.3 micron particle retention, 100 FPM ยฑ20% velocity, 4 ft 40 W light with diffuser, 60-65 dB, 220 V single phase.
Note: Reverse laminar flow station that draws powder aerosols away from the operator during sampling and dispensing.
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Cambridge type rocking microtome for soft, wax-embedded tissue: sections 2 to 24 microns in 2 micron steps set by one control, three moving parts, lead screw feed, single-lever stroke; 390 x 200 x 200 mm, 4 kg net.
Note: Cambridge type rocking microtome, 2-24 micron sections in 2 micron steps, with holders, razor and cover.
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Erma type rotary microtome cutting uniform sections up to 25 microns in 1 micron steps, internal mechanism fully enclosed in a metal cover; supplied with a 120 mm razor, three object holders, honing plate and oil can.
Note: Erma type rotary microtome, up to 25 microns in 1 micron steps, with razor and holders.
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Respiration Apparatus (SKU JC-AE-6713) for testing inhaled and exhaled air in small organisms. Construction and contents are confirmed on the quotation.
Note: Apparatus for testing inhaled and exhaled air in small organisms. Construction and contents are confirmed on the quotation.
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Respirometer (SKU JC-AE-6714): two stoppered boiling tubes on three-way taps to a graduated manometer, one tube as thermo-barometer control, syringe for level setting.
Note: Compact respirometer for comparing gas uptake or release by small organisms during respiration.
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Reaction Timer (SKU JA-HE-6948): timer for measuring student response time to light, sound and touch stimuli. Power, display and range confirmed on the quotation. Supplied by JaincoLab.
Note: Reaction timer for light, sound and touch response activities, supplied by JaincoLab.
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Rust Race Lab Investigation (SKU JA-LIE-6977): oxidation-reduction by measuring oxygen consumption during metal corrosion; students compare rust inhibitors and test metals for corrosion; for a class of 40 students. Supplied by JaincoLab.
Note: Redox and corrosion investigation kit for a class of 40 students.
View DetailsRespiratory System Microslide (SKU JA-HBE-6985): Microslide lesson set of eight 35 mm photomicrographs on the respiratory system, with arrows, callouts and a text folder. Viewer supply confirmed on the quotation.
Note: Microslide set of eight labelled 35 mm photomicrographs on the respiratory system, supplied by JaincoLab.
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Right Lung Model (SKU JA-HBE-7052): dissectible model of the human right lung showing its important parts, for respiratory system teaching. Number of parts, size and material confirmed on the quotation.
Note: Dissectible model of the human right lung, made by JaincoLab.
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Respiratory System Model (SKU JA-HBE-7090): teaching model with a cutaway of the upper torso and head, an enlarged bronchial tree and a magnified, partially sectioned alveolus. Size confirmed on the quotation.
Note: Respiratory system model with bronchial tree and sectioned alveolus, supplied by JaincoLab.
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Reading Glass Magnifier Metal frame 5/10 cm (SKU JC-ME-7129): chrome-plated hand reading glass with metal frame and bakelite handle, packed in a cardboard box. Size listed as 5/10 cm; magnification confirmed on the quotation.
Note: Chrome-plated reading glass magnifier, 5/10 cm, with metal frame and bakelite handle, made by JaincoLab.
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Reading Glass Magnifier Metal Frame 6/15 cm (SKU JC-ME-7131): chrome-plated hand reading glass with metal frame and bakelite handle, packed in a cardboard box. Size listed as 6/15 cm; magnification confirmed on the quotation.
Note: Chrome-plated reading glass magnifier, 6/15 cm, with metal frame and bakelite handle, made by JaincoLab.
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Reading Glass Magnifier Metal Frame 6/20 cm (SKU JC-ME-7133): chrome-plated hand reading glass with metal frame and bakelite handle, packed in a cardboard box. Size listed as 6/20 cm; magnification confirmed on the quotation.
Note: Chrome-plated reading glass magnifier, 6/20 cm, with metal frame and bakelite handle, made by JaincoLab.
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Reading Glass Magnifier Metal Frame 7.5/15 cm (SKU JC-ME-7134): chrome-plated hand reading glass with metal frame and bakelite handle, packed in a cardboard box. Size listed as 7.5/15 cm; magnification confirmed on the quotation.
Note: Chrome-plated reading glass magnifier, 7.5/15 cm, with metal frame and bakelite handle, made by JaincoLab.
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Reading Glass Magnifier Metal Frame 7.5/20 cm (SKU JC-ME-7135): chrome-plated hand reading glass with metal frame and bakelite handle, packed in a cardboard box. Size listed as 7.5/20 cm; magnification confirmed on the quotation.
Note: Chrome-plated reading glass magnifier, 7.5/20 cm, with metal frame and bakelite handle, made by JaincoLab.
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Reading Glass Magnifier Metal Frame 10/15 cm (SKU JC-ME-7136): chrome-plated hand reading glass with metal frame and bakelite handle, packed in a cardboard box. Size listed as 10/15 cm; magnification confirmed on the quotation.
Note: Chrome-plated reading glass magnifier, 10/15 cm, with metal frame and bakelite handle, made by JaincoLab.
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Reading Glass Magnifier Metal Frame 10/20 cm (SKU JC-ME-7137): chrome-plated hand reading glass with metal frame and bakelite handle, packed in a cardboard box. Size listed as 10/20 cm; magnification confirmed on the quotation.
Note: Chrome-plated reading glass magnifier, 10/20 cm, with metal frame and bakelite handle, made by JaincoLab.
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Rocks and Soils Science Kit (SKU JA-MSE-7153): classroom activity kit on rocks and soils for individual or small-group use; activities include comparing rocks; are all rocks hard; can water pass through rock; effect of acid rain. Supplied by JaincoLab.
Note: Classroom activity kit on rocks and soils; contents confirmed on the quotation.
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RNA 24 base Protein Synthesis (SKU JA-MME-7170): self-assembly molecular model kit of a 24-base RNA strand for teaching protein synthesis. Supplied in a durable storage case with compartments; part count confirmed on the quotation.
Note: Self-assembly 24-base RNA molecular model kit, supplied by JaincoLab.
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Rimmed Glass Test tube (SKU JA-MSE-7171): rimmed glass test tube for microscale sample handling and experiments, supplied as part of the micro science spares range. Supplied by JaincoLab.
Note: Rimmed glass test tube for micro science kits; size confirmed on the quotation.
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RNA 12 base Molecular Model (SKU JA-MME-7192): self-assembly molecular model kit of a 12-base RNA strand. Supplied in a durable storage case with compartments; part count confirmed on the quotation.
Note: Self-assembly 12-base RNA molecular model kit, supplied by JaincoLab.
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Raised Relief Map of the Moon (SKU JA-AE-7199): relief map of the near and far sides with lunar mission landing sites, scale 1:1,500,000 (1 in = 240 miles), 22 x 34 in. Supplied by JaincoLab.
Note: Raised relief map of the Moon's near and far sides with landing sites, 22 x 34 in.
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Recycling Clever Catch (SKU JA-EE-7215): 600 mm vinyl question ball with 95 true/false, multiple-choice and fill-in-the-blank recycling questions, directions and answers. Supplied by JaincoLab.
Note: 600 mm vinyl Clever Catch ball with 95 recycling questions.
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Radioactive source handling tongs (SKU JA-APE-7295), 165 mm long, with shaped ends for gripping a source by its peg or body, for safe handling of sources in radioactivity practicals.
Note: Length 165 mm. Shaped ends grip the source by the peg or the body.
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Spare rheostat for the Electricity Circuits Kit, mounted on a sturdy panel for ease of use and storage. Varies resistance to control current in class circuits.
Note: Spare rheostat component for the Electricity Circuits Kit, mounted on a sturdy panel. The resistance range is confirmed on the quotation.
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Rock Kit (SKU JA-GE-7440): 15 rock specimens of about 37 x 37 mm, five each of igneous, sedimentary and metamorphic rocks. Supplied by JaincoLab.
Note: Kit of 15 rock specimens, five of each rock type.
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Rock Study Kit (SKU JA-GE-7445): five each of igneous, sedimentary and metamorphic rocks with activity guide and magnifying glass. Supplied by JaincoLab.
Note: Introductory rock kit with 15 rocks, activity guide and magnifier.
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Rock and Rock Forming Minerals Collection (SKU JA-GE-7447): 24 specimens - six each of rock-forming minerals and igneous, sedimentary and metamorphic rocks - with study guide. Supplied by JaincoLab.
Note: 24 rock and rock-forming mineral specimens with study guide.
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1 ohm resistance unit built as a block with 4 mm sockets, for adding a known resistance to any circuit in basic electrical experiments.
Note: Resistance 1 ohm; connects with 4 mm plug leads. Tolerance and power rating are confirmed on the quotation.
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10 ohm resistance unit built as a block with 4 mm sockets, for Ohm's law, potential divider and series-parallel experiments in school and college labs.
Note: Resistance 10 ohm; connects with 4 mm plug leads. Tolerance and power rating are confirmed on the quotation.
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100 ohm resistance unit built as a block with 4 mm sockets, for current limiting, voltage dividers and resistance combination experiments.
Note: Resistance 100 ohm; connects with 4 mm plug leads. Tolerance and power rating are confirmed on the quotation.
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2 ohm resistance unit built as a block with 4 mm sockets, for series, parallel and internal resistance experiments in school and college labs.
Note: Resistance 2 ohm; connects with 4 mm plug leads. Tolerance and power rating are confirmed on the quotation.
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20 ohm resistance unit built as a block with 4 mm sockets, for Ohm's law readings, voltage dividers and series-parallel experiments.
Note: Resistance 20 ohm; connects with 4 mm plug leads. Tolerance and power rating are confirmed on the quotation.
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Rain Gauge (SKU JA-WE-7500): simple rain gauge in translucent material, calibrated in mm and inches, 210 x 100 mm (dia.), supplied complete with a rainfall chart.
Note: Translucent school rain gauge, 210 x 100 mm, calibrated in mm and inches, with rainfall chart.
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5 ohm resistance unit built as a block with 4 mm sockets, for series, parallel and load experiments in school and college electricity practicals.
Note: Resistance 5 ohm; connects with 4 mm plug leads. Tolerance and power rating are confirmed on the quotation.
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50 ohm resistance unit built as a block with 4 mm sockets, for current limiting, voltage dividers and resistance comparison experiments.
Note: Resistance 50 ohm; connects with 4 mm plug leads. Tolerance and power rating are confirmed on the quotation.
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1600 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated sliding contact and 4 mm terminal posts.
Note: Resistance 1600 ohm. The current rating is confirmed on the quotation.
View DetailsRain Gauge Spare Measure Glass (SKU JA-WE-7505): spare glass measuring cylinder for the BA pattern rain gauge, graduated 0 to 10 mm x 0.1 mm (100 divisions).
Note: Spare glass measuring cylinder for the BA pattern rain gauge.
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125 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated slider and 4 mm terminal posts.
Note: Resistance 125 ohm. The current rating is confirmed on the quotation.
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1325 ohm sliding rheostat, maximum current 0.5 A, wound with oxidised resistance wire on a vitreous enamel steel tube with die-cast end stands, nickel-plated slider and 4 mm terminal posts.
Note: Resistance 1325 ohm; maximum current 0.5 A.
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135 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated sliding contact and 4 mm terminal posts.
Note: Resistance 135 ohm. The current rating is confirmed on the quotation.
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16 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated slider and 4 mm terminal posts.
Note: Resistance 16 ohm. The current rating is confirmed on the quotation.
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2.5 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated slider and 4 mm terminal posts.
Note: Resistance 2.5 ohm. The current rating is confirmed on the quotation.
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20 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated slider and 4 mm terminal posts.
Note: Resistance 20 ohm. The current rating is confirmed on the quotation.
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280 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated slider and 4 mm terminal posts.
Note: Resistance 280 ohm. The current rating is confirmed on the quotation.
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300 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated sliding contact and 4 mm terminal posts.
Note: Resistance 300 ohm. The current rating is confirmed on the quotation.
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37 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated slider and 4 mm terminal posts.
Note: Resistance 37 ohm. The current rating is confirmed on the quotation.
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4.5 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated slider and 4 mm terminal posts.
Note: Resistance 4.5 ohm. The current rating is confirmed on the quotation.
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56 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated sliding contact and 4 mm terminal posts.
Note: Resistance 56 ohm. The current rating is confirmed on the quotation.
View Details600 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated slider and 4 mm terminal posts.
Note: Resistance 600 ohm. The current rating is confirmed on the quotation.
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8.5 ohm sliding rheostat wound with heavily oxidised resistance wire on a vitreous enamel steel tube, with die-cast end stands, nickel-plated slider and 4 mm terminal posts.
Note: Resistance 8.5 ohm. The current rating is confirmed on the quotation.
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Red Stack able Plug Leads (JA-EE-7558): 4 mm stackable connecting lead, 500 mm long, with a current carrying capacity of 16 A maximum, for positive-side connections in school and college physics circuits.
Note: Red 4 mm stackable plug lead, 500 mm long, with a current carrying capacity of 16 A maximum.
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Red Miniature Crocodile Clip (JA-EE-7565): 500 mm test lead with a shrouded crocodile clip and a 4 mm stackable connector, for positive-side connections to wires, electrodes and components. Also available in black.
Note: Red 500 mm test lead with a shrouded crocodile clip and a 4 mm stackable connector; also available in black.
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Red Test Lead (JA-EE-7574): stackable banana plug test lead, 500 mm long, with a 4 mm stackable connector at each end, for positive-side connections between power supplies, meters and circuit boards. Also in black.
Note: Red 500 mm banana plug test lead with a 4 mm stackable connector at each end; also available in black.
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Radiation Effects on Plant Growth (SKU JC-PE-7580): refill for the Radiation Effects on Plant Growth kit, for additional classes. Refill contents confirmed on the quotation.
Note: Refill for the Radiation Effects on Plant Growth kit, supplied by JaincoLab.
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Rotating Protractor Microwave Accessories (JA-SW-7607): rotating protractor for use in microwave experiments to measure the directivity of the microwave transmission; used with a microwave transmitter and receiver.
Note: Rotating protractor for measuring the directivity of microwave transmission.
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Resonance Apparatus Brass Tube (JA-SW-7641): two metal tubes telescoping into each other on a removable base; air column adjustable from 300 mm to 530 mm for resonance investigations in air columns.
Note: Two telescoping metal tubes on a removable base; air column adjustable from 300 mm to 530 mm.
View DetailsRipple Tank Premium (JA-SW-7644): ripple tank for demonstrating the general properties of waves, projecting wave phenomena onto a screen; 12 V, 5 A DC power supply included; aluminium case; teacher's notes manual.
Note: Ripple tank with screen projection, included 12 V 5 A DC supply, aluminium case and manual.
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Single-pole changeover reed relay (JA-EE-7684) switching at 5 to 400 Hz from a power signal generator, for repeated charging and discharging of a parallel plate capacitor in school and college electrostatics practicals.
Note: Reed relay switch for capacitor charge-discharge experiments, driven from a power signal generator at 5 to 400 Hz. Contact rating 12 V, 10 mA with a 12 ohm protective resistor.
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Red laser pen (SKU JA-LOE-7877): lightweight pen-type laser with a latching on/off button, for ray optics demonstrations, simple diffraction work and pointing on projected images in school and college lessons.
Note: Lightweight red laser pen with a latching button that stays on until pressed again.
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Rectangular acrylic prism (SKU JA-LOE-7950): clear, polished acrylic block with parallel faces for refraction, refractive index and lateral displacement practicals in school and college optics labs.
Note: Clear, polished rectangular acrylic prism (block) for refraction experiments.
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Right angled acrylic prism (SKU JA-LOE-7965), clear and polished, for school optics experiments on total internal reflection and on deviating a ray through 90 or 180 degrees with a ray box or optical pins.
Note: Clear, polished acrylic; size confirmed on the quotation.
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Set of eight ray box colour filters (SKU JA-LOE-7970) in 50 x 50 mm plastic frames: green, blue, cyan, violet, magenta, red, yellow and colour mixing, for coloured light and colour-mixing experiments in school optics.
Note: Eight filters per set, each in a 50 x 50 mm plastic frame.
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Mirrored ray box (SKU JA-LOE-7971) with bright halogen lamp, 4 mm power sockets and hinged mirrors for colour mixing; supplied with a pair of slits, without filters, for ray tracing and colour experiments in optics labs.
Note: Supplied with a pair of slits but without colour filters.
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Mirrored ray box with accessories (SKU JA-LOE-7972): 12 V, 24 W lamp, adjustable cylindrical convex lens, triple aperture for colour mixing, hinged side mirror and filter/slit channels, for reflection, refraction and colour mixing.
Note: Slit plates and colour filters fit the vertical channels in every aperture.
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Plastic ray box (SKU JA-LOE-7973), 12 V 24 W, with three apertures, two blanking plates and two slit plates (one and two slits; three slits and a wide slit), for reflection, refraction and lens ray-tracing experiments.
Note: Supplied with two slit plates and two blanking plates for unused apertures.
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Ray box with accessories (SKU JA-LOE-7974): 180 x 65 x 75 mm base, 12 V 10 W line-filament bulb under adjustable lid, 75 mm plano-convex lens, two slit masks, 7 colour and 1 tri-colour filter, for ray optics experiments.
Note: Runs on 12 V AC or DC through two 4 mm sockets; the power supply is confirmed on the quotation.
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Rotatable optical disc (SKU JA-LOE-7976): 230 mm disc graduated 0-360 deg in 1 deg steps, rotatable 12 V 24 W lamp house with slit disc and lens, magnetic acrylic refraction blocks and 50 mm reflection elements.
Note: Disc and lamp house both rotate and hold in any position.
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Rotatable disc set (SKU JA-LOE-7978): 230 mm disc in 1 deg divisions on a stable base, rotating 12 V 24 W lamp house, 1-4 slit disc, adjustable lens, magnetic acrylic blocks and 50 mm reflection elements for light experiments.
Note: Magnets on each optical element hold it on the disc.
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Rods for thermal conductivity (JA-H-8018): a set of six rods, each 300 mm long and 3 mm in diameter, one each of brass, copper, iron, lead, zinc and aluminium, for thermal conductivity experiments.
Note: Set of six 300 x 3 mm rods in brass, copper, iron, lead, zinc and aluminium for comparing thermal conduction.
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Decade resistance box with eleven-position switches, phosphor-bronze moving contacts and a bakelite panel in a polished teak wood box; non-inductively wound, varnished and aged coils in manganin (Grade A) or constantan (Grade B) wire.
Note: Dial decade resistance box, manganin (Grade A) or constantan (Grade B) coils, teak wood box.
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Resistance substitution box with 12 radio-type resistors of standard preferred values from 100 ohms to 470 kilo-ohms in steps of about 1:2, selected by a rotary switch, with 4 mm socket connection.
Note: Rotary-switch substitution box, 12 preferred-value resistors from 100 ohm to 470 kilo-ohm.
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Post Office pattern resistance box built on a 12 mm thick rectangular brass block, with coils wound in constantan wire; listed accuracy +0.1%. Used for Wheatstone bridge measurement of unknown resistance.
Note: P.O. box on a 12 mm brass block with constantan coils, listed accuracy +0.1%.
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Post Office pattern resistance box with 14 mm thick rectangular brass blocks in both columns and a listed accuracy of +/-0.02% to 0.005%; P.O. Box 3 and P.O. Box 4 versions with manganin coils are listed.
Note: P.O. box with 14 mm brass blocks in both columns, +/-0.02% to 0.005%; manganin-coil versions listed.
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Single tube rheostat: heavily oxidised resistance wire on a vitreous enamelled steel tube, winding locked with ceramic cement, enamelled die-cast end stands and socket terminals for rheostat or potentiometer connection; 4.4 cm and 5.6 cm versions.
Note: Single tube rheostat on a vitreous enamelled steel tube, 4.4 cm and 5.6 cm versions, socket terminals.
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Rheostat bank rated 250 V AC 50 Hz: nickel-copper or nickel-chrome windings on porcelain tubes, inverted screw terminals, sheet metal box on an angle-iron frame with perforated cover, ventilated on all sides; 415 V three-phase version listed.
Note: Single-phase rheostat bank, 250 V AC 50 Hz, porcelain tubes, Ni-Cu or Ni-Cr windings, ventilated box.
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Regional Brain Model (SKU JA-BMNM-8307): life-size PVC brain on a plastic base with colour-coded lobes, motor, somatosensory and limbic cortex, cerebellum and brain stem, supplied by JaincoLab.
Note: Life-size colour-coded regional brain on a plastic base, supplied by JaincoLab. For teaching use only.
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Ripple tank kit (JA-EK-8469) including various barriers for teaching reflection, refraction, diffraction and interference of water waves; a classic demonstration set for wave-behaviour lessons.
Note: Ripple tank demonstration set with barriers for reflection, refraction, diffraction and interference of water waves; tank size and accessories are itemised on the quotation.
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One-hole rubber stopper (SKU JA-CE-8484) in four sizes (bottom x top x length): 15 x 18 x 24 mm, 12 x 17.5 x 25.7 mm, 21.3 x 25.5 x 24.7 mm and 21 x 26.5 x 27.5 mm, for fitting tubes and thermometers into flasks and tubes.
Note: Single hole; sizes in bottom x top x length: 15 x 18 x 24, 12 x 17.5 x 25.7, 21.3 x 25.5 x 24.7 and 21 x 26.5 x 27.5 mm.
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Reamer (SKU JA-GLE-8566): hand reamer for enlarging 4 mm holes in wood, plastics and cardboard, with a 4.2 mm drill type on the handle; used alongside the technology kit. Supplied by JaincoLab.
Note: Hand reamer for 4 mm holes, 4.2 mm drill on handle.
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Rectangular Prism (SKU JA-GLE-8567): polished perspex prism, 70 x 50 mm, for following reflection, refraction and dispersion of light and for demonstrating critical angles.
Note: Polished perspex rectangular prism, 70 x 50 mm.
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Rubberised Wheel (SKU JA-GLE-8569): pack of 50 rubberised wheels, compatible with the technology kit, for building a range of vehicles; the axles from the plastic rod pack slip snugly into the wheel. Supplied by JaincoLab.
Note: Pack of 50 rubberised wheels for model vehicles.
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The radial arm saw is a cross-cutting saw with the blade carried on an arm above the table, for cutting boards to length and mitring in carpentry training.
Note: The radial arm saw is a cross-cutting saw with the blade carried on an arm above the table, for cutting boards to length and mitring in carpentry training.
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The radial cross cutting machine is a heavy radial saw for cross-cutting and trimming timber in joinery workshops.
Note: The radial cross cutting machine is a heavy radial saw for cross-cutting and trimming timber in joinery workshops.
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The round file is a hand file for enlarging holes and filing curved surfaces in metal fitting practice. It is listed in rough (bastard), medium and smooth grades and in lengths of 4, 6, 8, 10, 12 and 14 inches (SKU JA-SWES-8760).
Note: The round file is a hand file for enlarging holes and filing curved surfaces in metal fitting practice.
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Room Thermometer (SKU JA-MI-8766): wall mounted, mercury-free room thermometer reading -40 to 50ยฐC, with a light white plastic body and big easy-to-read display, for laboratories, classrooms and stores.
Note: Mercury-free wall room thermometer, -40 to 50ยฐC, white plastic body.
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The rammer is an engine-driven tamping rammer for compacting soil and fill on construction sites and in site-practice training.
Note: The rammer is an engine-driven tamping rammer for compacting soil and fill on construction sites and in site-practice training.
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The rivet gun is an all-steel hand riveter for fastening sheet metal and heavy fabric in ductwork, construction and auto body practice.
Note: The rivet gun is an all-steel hand riveter for fastening sheet metal and heavy fabric in ductwork, construction and auto body practice.
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Robotic total station (SKU JA-SE-8842): auto-pointing direct-aiming instrument, 30x telescope, 2.5 second resolving power, 1.3 m min focus, 70 deg/s rotation, waterproof, -20 to +50 ยฐC; model confirmed on quotation.
Note: Robotic total station with automatic prism aiming, supplied by JaincoLab.
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Rebound Hammer (SKU JA-M-8891), also called a Schmidt or Swiss hammer: surface hardness test for the strength of concrete or rock, 10-70 N/mm2 compressive strength range, 2.207 Nm impact energy; with calibration anvil and carrying case.
Note: Rebound hammer for concrete and rock, 10-70 N/mm2, supplied with a calibration anvil and carrying case.
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Rockwell Hardness Tester (SKU JA-SOMLE-8914): electronic Rockwell tester for ferrous and non-ferrous metals; max specimen height 175 mm, throat 165 mm, 520 x 215 x 700 mm, 90 kg net, AC 220 V or 110 V.
Note: Electronic Rockwell hardness tester for metals; supplied by JaincoLab.
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Rope Belt Friction Apparatus (SKU JA-AMLE-8946): wall-mounted fixed pulley with four interchangeable pulleys (60, 90, 120 degree V-grooves, flat rim), cotton rope loop, 2 hangers; 250 x 150 x 370 mm, 19 kg.
Note: Wall-mounted rope friction apparatus with interchangeable V-groove pulleys.
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The reciprocating spindle surface grinder is designed for quick flat grinding of workpieces, with a hydraulically driven table and a spindle drive of 1.5 to 3.75 kW depending on the model.
Note: The reciprocating spindle surface grinder is designed for quick flat grinding of workpieces, with a hydraulically driven table and a spindle drive of 1.5 to 3.75 kW depending on the model.
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The radial drilling machine carries its drill head on a swinging arm so that holes can be drilled across a large workpiece without moving it, with electro-hydraulic clamping of the drill head, arm and sleeve.
Note: The radial drilling machine carries its drill head on a swinging arm so that holes can be drilled across a large workpiece without moving it, with electro-hydraulic clamping of the drill head, arm and sleeve.
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Rota Meter Test Apparatus (SKU JA-HLE-8975): two rotameters, 20 mm and 25 mm, each in its own pipeline, for rotameter calibration; single phase 200/220 V supply and sump water required.
Note: Rotameter calibration apparatus with 20 mm and 25 mm rotameters.
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Reciprocating Pump Test Rig (SKU JA-HLE-8984): double acting 25 x 20 mm pump with air vessel, about 20 LPM at 20 m head, crank and connecting rod drive, 1 HP 1400 rpm single phase motor.
Note: Reciprocating pump test rig with double acting pump and air vessel.
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Radial Drilling Machine (SKU JA-CLE-9039): 2 m arm, 360 degree swivel, 5.5 kW, drilling 60 mm steel / 80 mm cast, boring 100 mm, tapping M50/M60, MT6 65 mm spindle, 30 speeds 9-1800 rpm, coolant.
Note: Heavy radial drilling machine with 2 m arm for workshop training; supplied by JaincoLab.
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Resistance Welding Machine (SKU JA-CLE-9047): 60 kVA, 415 V +/-10% 2 phase 50 Hz; pneumatic clamping, 12000 A secondary current, water cooled transformer and electrodes, thyristor control; steel butt joints.
Note: 60 kVA resistance butt welding machine with pneumatic clamping; supplied by JaincoLab.
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Robotic Arm (SKU JA-CTM-9060): five-joint robotic arm trainer with shoulder, elbow and wrist movement, run from PC software or an LCD control panel with USB interface; per-servo angle and speed control, auto home position, optional PLC link.
Note: Five-joint robotic arm trainer for learning robot programming, motor control and automation basics; supplied by JaincoLab.
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Riveter (SKU JA-CLE-9099): hand riveting tool for standard pop (blind) rivets of 3 to 5 mm, for sheet-metal and general metalwork in engineering workshops.
Note: Hand riveter for 3-5 mm pop rivets; supplied by JaincoLab.
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Rivet Set (SKU JA-CLE-9100): set of 5 hardened steel rivet sets for 4, 6, 8, 10 and 12 mm rivets, in a wooden stand, for drawing up rivets before closing in hand riveting.
Note: Five hardened steel rivet sets, 4-12 mm, in a wooden stand; supplied by JaincoLab.
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Riveting Tool (SKU JA-CLE-9116): hand blind-riveting kit with interchangeable nose pieces, grip up to 5/8 inch, and 5 boxes of 50 rivets (1/8, 5/32, 3/16 inch) in a closable plastic case.
Note: Hand riveting kit with nose pieces and five boxes of rivets in a plastic case; supplied by JaincoLab.
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Reverse Osmosis Ultra filtration Unit (SKU JA-CELE-9119): mobile RO/UF membrane unit, 9-30 l/min, up to 55 bar, 0.024 mยฒ membrane area, 15 litre feed and permeate tanks, plate heat exchanger, CIP facility.
Note: Self-contained reverse osmosis and ultrafiltration membrane unit; supplied by JaincoLab.
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Rack and Pinion (SKU JA-DOMLE-9143): drive-assembly laboratory system on a tubular steel square-profile frame with bearing elements and component housing; rack and pinion details confirmed on the quotation.
Note: Drive-assembly trainer listed as Rack and Pinion; component list on the quotation; supplied by JaincoLab.
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RTD Packed Bed Reactor Apparatus (SKU JA-CR-9148): borosilicate glass column with 8-10 mm glass Raschig rings, 20 L SS feed tank, compressed-air feed, rotameter and syringe tracer injection for RTD and dispersion studies.
Note: Packed bed residence time distribution apparatus; supplied by JaincoLab.
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Reversing Gear (SKU JA-DOMLE-9151): teaching model of a steam locomotive reversing gear showing control of direction of travel and adjustment of cut-off; model details confirmed on the quotation.
Note: Teaching model of a steam locomotive reversing gear; size and construction on the quotation; manufactured by JaincoLab.
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Rotary Dryer (SKU JA-AM-9189): inclined revolving shell with internal flights, motor and reduction gearbox, blower with heating chamber, counter-current hot air, flow and bypass valves, 220 V 4 kW.
Note: Rotary dryer apparatus for drying characteristics experiments; supplied by JaincoLab.
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Round File (SKU JA-MWLE-9240): 300 mm single-cut round file, cut 1, heat-treated high-carbon steel, PVC handle with cushioned textured grip and hanging hole, for holes and pipe bores.
Note: 300 mm single-cut high-carbon steel round file with grip; supplied by JaincoLab.
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Root System Chart (SKU JA-BC-9249): 58 x 90 cm wall chart on root systems in plants, printed in full colour on art paper, laminated on both sides with thick plastic film and fitted with plastic rollers. English text.
Note: Laminated and full-colour 58 x 90 cm wall chart on root systems in plants with plastic rollers, for middle-school science and Class 11 biology.
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Reproduction in Plants Chart (SKU JA-BC-9260): 58 x 90 cm wall chart on reproduction in plants, printed in full colour on art paper, laminated on both sides with thick plastic film and fitted with plastic rollers. English text.
Note: Laminated and full-colour 58 x 90 cm wall chart on reproduction in plants with plastic rollers, for middle-school science and Class 10 to 12 biology.
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Root Modifications Chart (SKU JA-BC-9265): 58 x 90 cm wall chart on the modifications of roots, printed in full colour on art paper, laminated on both sides with thick plastic film and fitted with plastic rollers. English text.
Note: Laminated and full-colour 58 x 90 cm wall chart on the modifications of roots with plastic rollers, for Class 11 biology and B.Sc botany.
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Rebate and Fillister Plane (SKU JA-MWLE-9296): 200 mm woodworking plane with 12 mm cutting width for cutting rebates along board edges in carpentry and furniture work.
Note: 200 mm rebate and fillister plane, 12 mm cutting width; supplied by JaincoLab.
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Regions of Root Chart (SKU JA-BC-9307): 58 x 90 cm wall chart on the regions of a root tip, printed in full colour on art paper, laminated on both sides with thick plastic film and fitted with plastic rollers. English text.
Note: Laminated and full-colour 58 x 90 cm wall chart on the regions of a root tip with plastic rollers, for Class 11 biology and B.Sc botany.
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Rotary spring balance (SKU JA-MLE-9372): 75 mm dial graduated in grams and newtons, 500 g / 5 N capacity, nearly 230 mm effective scale length, suspension ring and load hook, for weighing and force measurement.
Note: Capacity 500 g / 5 N; dual scale in grams and newtons.
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Rotational motion apparatus (SKU JA-MLE-9382) for studying rotational and linear uniformly accelerated motion with a stopwatch (not included); its didactic guide also covers data acquisition with a distance sensor.
Note: Stopwatch and data acquisition equipment are not included.
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Rigging Learning System (SKU JA-MWLE-9480): rigging trainer with 1-ton rated gantry crane on casters, component storage, hoists, slings, loads and load fittings, covering wire rope and chain sling practice.
Note: Rigging training system with 1-ton rated gantry crane, hoists and slings; supplied by JaincoLab.
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Roller Pack Machine Tool Axis Learning System (SKU JA-MWLE-9494): add-on trainer for machine tool axis drives on roller-pack precision bearings; can be combined with ball screw components for a complete driven axis.
Note: Roller-pack bearing machine tool axis training add-on; supplied by JaincoLab.
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Reverse Osmosis and Ultra Filtration Pilot Plant (SKU JA-CELE-9517): piston pump, two membranes (5-50 ml/min permeate), 30 L feed and permeate tanks, heat exchanger, Bourdon gauges, flow meters, Pt100 sensors, 400 V.
Note: Reverse osmosis and ultrafiltration membrane pilot plant; supplied by JaincoLab.
View DetailsThe Radio Communication Training System is a modular programme for studying radio communication, taking students from basic RF principles to advanced concepts in an organised way.
Note: The Radio Communication Training System is a modular programme for studying radio communication, taking students from basic RF principles to advanced concepts in an organised way.
View DetailsRefrigeration and Air Conditioning Electrical Controls (SKU JA-ACAR-9650): flexible training system of real industrial components on clear acrylic panels in a special frame, for the operation, use and wiring of RAC controls, compressors and motors.
Note: Panel-based training system for wiring refrigeration and air conditioning controls, compressors and motors; supplied by JaincoLab.
View DetailsRecirculating Air Conditioning Trainer (SKU JA-ACAR-9657): self-contained air conditioning system trainer with recirculation of the air stream, for simulating different environments and conditions in a circuit or room-type situation.
Note: Air conditioning trainer with air recirculation for building-type system studies; supplied by JaincoLab.
View DetailsRefrigeration Cycle Demonstration Unit (SKU JA-ACAR-9660): educational unit for a comprehensive range of refrigeration cycle experiments, supplied with full installation, maintenance and operating instructions.
Note: Refrigeration cycle demonstration unit for refrigeration and thermodynamics courses; supplied by JaincoLab.
View DetailsRefrigeration Laboratory Unit (SKU JA-ACAR-9661): instrumented vapour compression refrigeration unit for investigating cycle performance under various evaporator loads and condenser pressures, with all relevant parameters measured.
Note: Instrumented vapour compression refrigeration unit for performance experiments; supplied by JaincoLab.
View DetailsRefrigeration and AC Simulation and Training System (SKU JA-ACAR-9662): simulators that give real-time performance matching actual units, covering simple and complex air conditioning and refrigeration systems too large for a classroom.
Note: Real-time simulators for training technicians on air conditioning and refrigeration system operation; supplied by JaincoLab.
View DetailsRefrigerant Reclamation and Charging Station (SKU JA-ACAR-9668): station for refrigerant recovery and charging of air conditioning and refrigeration systems, in a variety of sizes, for industry and educational laboratories.
Note: Refrigerant recovery and charging station for workshops and training labs; supplied by JaincoLab.
View DetailsRefrigeration and A/C Material and Components for Practical Exercises and Build-Up Trainer (SKU JA-ACAR-9670): system components, copper piping, fittings, brazing and soldering material and complete functional systems for RAC practicals.
Note: Materials and components for refrigeration and air conditioning practical exercises; supplied by JaincoLab.
View DetailsRotating Engine Stands (SKU JA-AAT-9778): welded tubular and structural steel engine stand with a stable base and holes for bolting to the floor, for engine repair training.
Note: Welded steel rotating engine stands for engine training stations; supplied by JaincoLab.
View DetailsRock mechanics testing systems for deformation and failure of rock: stiff static systems up to 2 MN and dynamic systems up to 1.5 MN, with optional acoustic velocity and acoustic emissions transducers.
Note: Stiff static and dynamic loading systems for laboratory rock mechanics testing.
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Relative density apparatus for the maximum and minimum index density of cohesionless soils such as sands and gravels, giving the relative density or density index as a percentage.
Note: Apparatus for maximum and minimum index density of sands and gravels.
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Resonant column apparatus for the shear modulus (G) and damping ratio (D) of soil specimens across the small to medium strain range (below 1%), for dynamic response analysis. Supplied by JaincoLab.
Note: Resonant column apparatus for small-strain shear modulus and damping of soils.
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Riffle Sample Divider (SKU JA-SAAFT-9877): metal riffle box with equal-width chutes, 16 or 14 slots, discharging alternately into pans, with three containers, for representative aggregate samples.
Note: Riffle sample divider for aggregates, sand and fillers; supplied by JaincoLab.
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Rheometer for SCC (SKU JA-CT-9902): portable, self-powered rheometer for self-compacting and normal concrete, controlled from a hand-held Android device, plotting yield stress curves; vane probe optional.
Note: Portable rheometer for self-compacting concrete; supplied by JaincoLab.
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Rebar and Wall Tie Locator (SKU JA-CT-9904): gauge with two 100 mm and one 150 mm search heads that locates rebars, wall ties, bed joint reinforcement, wiring and studs, with audio tone and case.
Note: Rebar and wall tie locator with three heads; supplied by JaincoLab.
View DetailsReaction Turbine Demonstration Unit (SKU JA-FMAHLE-9973): small-scale reaction turbine on a horizontal shaft with clear acrylic guard, central hub with graphite face seal and two square outlet orifices, inlet pressure sensor; mounts on a service unit.
Note: Small-scale reaction turbine demonstration unit for use on a turbine service unit, supplied by JaincoLab.
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Path rail (SKU JL-LEP-10122) that guides motorized and dynamics carts along a straight track for motion, force and acceleration experiments in school physics laboratories. Made as per DepEd guidelines.
Note: Made as per DepEd guidelines. Used as a path rail for motorized and dynamics carts in motion experiments.
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Ring with stem (SKU JL-LEP-10123) that supports beakers, flasks and other glassware on a laboratory stand during heating activities in school and college science practicals. Made as per DepEd guidelines.
Note: Made as per DepEd guidelines. Used to support glassware during heating activities.
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Regular polygons model (SKU JL-LEP-10182), a mathematics teaching aid that demonstrates regular polygons from 7-sided to 12-sided shapes in school geometry lessons. Made as per DepEd guidelines.
Note: Made as per DepEd guidelines. Demonstrates regular polygons from 7-sided to 12-sided.
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Student-type ruler (SKU JL-LEP-10230): transparent plastic, about 28 x 314 mm, 1 mm thick, 0-30 cm in millimetres and 0-12 in in sixteenths, permanent non-groove black prints, bendable to a U-shape without breaking.
Note: As per DepEd guidelines. Transparent dual-scale student ruler with permanent prints.
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Reaction plate (SKU JL-LEP-10236) with six round wells of 30-35 mm diameter and 1.6-2.0 mL capacity in a 110-120 x 85-100 mm clear, non-toxic plastic plate free from sharp edges, for small-sample soil and water testing.
Note: As per DepEd guidelines. Clear, non-toxic plastic plate with six round wells.
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Amber reagent bottle (SKU JL-LEP-10271): cylindrical narrow-mouth bottle of bubble-free amber glass, 250 mL, 67-72 mm diameter, 131-150 mm high, 24-28 mm neck, 24/29 socket with octagonal plastic stopper, for light-sensitive solutions.
Note: As per DepEd guidelines. Narrow-mouth amber reagent bottle with octagonal plastic stopper.
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Wide-mouth reagent bottle (SKU JL-LEP-10272): cylindrical clear, bubble-free borosilicate glass, 250 mL, 69-73 mm diameter, 34-44 mm mouth, 132-142 mm high, with a no-drip pour lip, for holding and storing prepared solutions and solids.
Note: As per DepEd guidelines. Clear borosilicate wide-mouth bottle with no-drip pour lip.
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Rubber stopper (SKU JL-LEP-10273): premium grade SBR black rubber, tapered cylinder at least 25 mm high with 17 mm top and 13 mm bottom diameter, 5 mm bored hole, ยฑ0.5 mm tolerance, 40 ยฑ 5 Duro, for 16 mm test tubes.
Note: As per DepEd guidelines. SBR rubber stopper with one 5 mm hole.
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Rubber stopper for Erlenmeyer flask, 1 hole (SKU JL-LEP-10274): SBR black rubber, tapered, 25 mm high, 32 mm top and 26 mm bottom diameter, one 5 mm hole, ยฑ0.5 mm, 40 ยฑ 5 Duro, for narrow-mouth 250 mL Erlenmeyer flasks.
Note: As per DepEd guidelines. One-hole stopper for narrow-mouth 250 mL Erlenmeyer flasks.
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Rubber stopper for Erlenmeyer flask, 2 holes (SKU JL-LEP-10275): SBR black rubber, tapered, 25 mm high, 32 mm top and 26 mm bottom diameter, two 5 mm holes, ยฑ0.5 mm, 40 ยฑ 5 Duro, for narrow-mouth 250 mL Erlenmeyer flasks.
Note: As per DepEd guidelines. Two-hole stopper for narrow-mouth 250 mL Erlenmeyer flasks.
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Rock samples set (SKU JL-LEP-10313): boxed collection of at least 24 rocks, 8 igneous, 8 sedimentary and 8 metamorphic, each 8-20 cmยณ, individually bagged and numbered to a key in the lid giving rock name and type.
Note: As per DepEd guidelines. At least 24 samples, individually bagged and numbered.
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Resistance Board (SKU JL-LEP-10382): 650 mm plastic board with two nichrome wires (0.25 and 0.5 mm), a 0.5 mm stainless steel wire and a 0.5 mm copper wire, each 600 mm with decimetre graduations.
Note: Made as per DepEd guidelines. Channel-type plastic board, free of warpage.
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Ring and Ball Apparatus (SKU JL-LEP-10422): 25.00 mm brass ball chained to a 25.04 mm brass ring on a 5 mm stem with wooden handle, for demonstrating thermal expansion and contraction of a metal.
Note: Made as per DepEd guidelines. Stainless steel chain keeps the ball captive during heating.
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Ripple Tank Set (SKU JL-LEP-10423): 55 cm tank with 40 cm glass bottom and levelling legs, digital and hand ripplers, 2 dippers, reflector, paraffin blocks, glass plate, 60 cm screen and synchronised halogen strobe.
Note: Made as per DepEd guidelines. Strobe synchronised to the rippler frequency controller.
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Resonance Tube Set (SKU JL-LEP-10428): telescoping 63 mm outer and 50 mm inner tubes (1030 and 1100 mm) with 1 mm scale, felt sealing, stopper and stand at 52 mm centre height, for speed of sound experiments.
Note: Made as per DepEd guidelines. Scale print resists rubbing and fading.
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Demonstration radiometer (Cat. No. JSS-877/018) whose diamond-shaped vanes, light on one side and dark on the other, spin at up to 2,900 rpm in sunlight or under a light bulb.
Note: Demonstration radiometer (light mill), up to 2,900 rpm.
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Alpha particle scattering set-up (Cat. No. JSS522/025): a cylindrical plastic chamber with a Po-210 alpha source at one end and an 8.6 cm circle of alpha-sensitive film at the other; the film is developed in 2.5 molar NaOH.
Note: Rutherford alpha-scattering chamber with Po-210 source and alpha-sensitive film.
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Set for resonance in strings and air columns (Cat. No. JSS-189/027): Melde-type string vibrator with drilled armature tip, bench clamp and pulley on rod for the cord, aluminium resonance tube, sound box and extra speaker.
Note: String vibrator (Melde type) with bench clamp and pulley, aluminium resonance tube, sound box and speaker.
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Ripple tank (Cat. No. JSS-555/032) for water-wave reflection, refraction, diffraction and interference: tank on four levelling legs, vibration generator, wave monitor, dippers, lever arm, projection mirror and screen, Perspex objects.
Note: Ripple tank with vibration generator, dippers, projection mirror and screen, Perspex shapes.
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Reactive Biureti (biuret reagent) (SKU JL-GLE-10570, Cat. No. JSS-378/089): analytical reagent, 250 ml, supplied with MSDS; listed expiry 5 years. Supplied by JaincoLab.
Note: Biuret reagent, analytical reagent, 250 ml.
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Fixed carbon film resistors in different values (readings) for electricity and electronics practicals: ceramic carrier with a thin pure carbon film as the resistive material.
Note: Fixed carbon film resistors in assorted values for circuit practicals.
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Open slide wire rheostat for controlling current in circuits: copper-nickel alloy wire oxidised for insulation between turns, plastic legs, offered in a variety of resistance values and current-carrying capacities.
Note: Open slide wire rheostat with oxidised copper-nickel winding, various ratings.
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Rabbit Dissection (SKU JL-GLE-10635, Cat. No. JSS-203/0122): dissected rabbit preserved in formalin, closed in a glass container, listed size 200 x 70 x 40 mm. Supplied by JaincoLab.
Note: Dissected rabbit preserved in formalin, in a closed glass container.
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Ruhmkorff induction coil giving a 30 mm spark, on a moulded plastic base; 11.4 x 3.1 x 6.3 in (about 29 x 7.9 x 16 cm), 3.5 lb (about 1.6 kg).
Note: Ruhmkorff induction coil, 30 mm spark, moulded plastic base.
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Respiratory Apparatus chart (SKU JL-GLE-10688, Cat. No. JSS-271/0156): laminated wall-mounted biology chart of the human respiratory system, 70 x 100 cm, for laboratories and classrooms.
Note: Laminated wall chart of the respiratory system, 70 x 100 cm.
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250 ml round bottom flask in transparent borosilicate glass, graduated, neck 34 mm OD, height 140 mm; heat and chemical resistant for heating and distillation work.
Note: 250 ml borosilicate round bottom flask, 140 mm high.
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500 ml reagent bottle in transparent borosilicate glass, body diameter 85 mm, height 176 mm, heat and chemical resistant, for storing laboratory solutions.
Note: Clear 500 ml borosilicate reagent bottle, 85 x 176 mm.
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Narrow-mouth reagent bottle in amber borosilicate glass, 500 ml, body diameter 85 mm, height 176 mm, for light-sensitive solutions; chemical and heat resistant.
Note: 500 ml amber narrow-mouth borosilicate reagent bottle.
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250 ml amber reagent bottle with narrow mouth, borosilicate glass, body diameter 70 mm, height 138 mm, chemical and heat resistant; for light-sensitive solutions.
Note: 250 ml narrow-mouth amber borosilicate reagent bottle.
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Amber glass reagent bottle, 250 ml, body 70 mm diameter, height 138 mm, chemical and heat resistant, for storing solutions away from light.
Note: 250 ml amber glass reagent bottle, 70 x 138 mm.
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Three-prong double adjustable universal clamp with integral boss head; prongs sleeved in non-slip vinyl; holds objects up to 58 mm; overall length 22 cm.
Note: 3-prong universal clamp with boss head, up to 58 mm, 22 cm long.
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Red rubber laboratory tubing, chemical resistant, for connecting burners to gas taps and for water and vacuum lines; bore and length confirmed on the quotation.
Note: Red rubber laboratory tubing; bore and length confirmed on the quotation.
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Assorted solid red rubber stoppers, without holes, chemical resistant, in a mix of sizes for closing test tubes, flasks and bottles.
Note: Assorted solid red rubber stoppers, no holes.
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Retro projector (SKU JL-GLE-10841, Cat. No. JSS-108/1.2): classroom projector listed with a 24 V halogen lamp, AC 110/220 V 50/60 Hz, 350 W, 285 x 285 mm, projection distance 1.5-3.5 m, height about 300 mm. Supplied by JaincoLab.
Note: Classroom projector with 24 V halogen lamp; model confirmed on the quotation.
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Rubber samples for comparing natural (uncured latex) rubber with vulcanised rubber; sample sizes confirmed on the quotation.
Note: Natural and vulcanised rubber samples for comparison.
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Compact limestone rock specimen for geography and chemistry teaching. Specimen size and quantity are confirmed on the quotation.
Note: Compact limestone specimen; size confirmed on the quotation.
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Rocks collection supplied as a full set of specimens for teaching rock types; the specimen list is confirmed on the quotation.
Note: Full rock specimen collection; specimen list confirmed on the quotation.
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Rubber Tube (Laboratory) (SKU JL-GLE-10901, Cat. No. JSS-740/016): natural rubber laboratory tubing, inner diameter 6 mm, outer diameter 9 mm, chemical resistant, for use from -25 to +70 ยฐC. Supplied by JaincoLab.
Note: Natural rubber lab tubing, 6 mm ID x 9 mm OD.
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Rubber stoppers with holes of different diameters (SKU JL-GLE-10908, Cat. No. JSS-495/023): round, chemical-resistant rubber stoppers with one hole, bottom diameters 11, 13, 14 and 15 mm, for laboratory use. Supplied by JaincoLab.
Note: One-hole rubber stoppers, bottom diameters 11 to 15 mm.
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Rubber Stoppers without Holes Of Different Diameters (SKU JL-GLE-10909, Cat. No. JSS-204/024): solid round rubber stoppers, bottom diameters 11, 13, 14 and 15 mm, chemical resistant, for closing test tubes and small flasks. Supplied by JaincoLab.
Note: Solid rubber stoppers, bottom diameters 11 to 15 mm.
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Round Bottom Pot (Spherical Balloons) (SKU JL-GLE-10954, Cat. No. JSS-620/073): 100 ml round bottom flask in transparent borosilicate glass with a long neck; chemical and heat resistant.
Note: 100 ml borosilicate round bottom flask with long neck.
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Round Bottom Pot (Spherical Balloons) (SKU JL-GLE-10955, Cat. No. JSS-687/074): 250 ml round bottom flask, transparent borosilicate glass, long neck; chemical and heat resistant.
Note: 250 ml borosilicate round bottom flask with long neck.
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Round Bottom Pot (Spherical Balloons) (SKU JL-GLE-10956, Cat. No. JSS-648/075): 500 ml round bottom flask, clear borosilicate glass, long neck (listed as long spout); chemical and heat resistant.
Note: 500 ml borosilicate round bottom flask with long neck.
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Right Refrigerant (SKU JL-GLE-10974, Cat. No. JSS-631/093): straight Liebig-type condenser, 480 mm long, in transparent borosilicate glass; chemical and heat resistant.
Note: Straight Liebig condenser, 480 mm, borosilicate glass.
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Red Phosphorus (SKU JL-GLE-11009, Cat. No. JSS-430/128): red phosphorus, analytical reagent, 50 g, supplied with MSDS; listed expiry 5 years. Supplied by JaincoLab.
Note: Red phosphorus, analytical reagent, 50 g, with MSDS.
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Red Litmus Paper (SKU JL-GLE-11029, Cat. No. JSS-573/148): indicator paper that turns blue in bases and stays red in acids and neutral substances. Supplied by JaincoLab.
Note: Red litmus paper for testing bases.
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Cylindrical rods of different metals for comparing metals in chemistry practicals. The name lists zinc, copper, iron, aluminium, lead and magnesium; the exact set is confirmed on the quotation.
Note: Cylindrical metal rods (zinc, copper, iron, aluminium and others) for comparing metals.
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Standard stainless steel right angle clamp that fits laboratory stand rods, used to join a second rod or clamp at 90 degrees when building apparatus set-ups.
Note: Stainless steel right angle clamp for laboratory stand rods.
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Resistor pack of resistance coils for physics circuit experiments; each coil is housed in a round case with captive-head terminals. Resistance values are confirmed on the quotation.
Note: Resistance coils in round cases with captive-head terminals for physics circuit practicals.
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RNA and protein synthesis model: 12 DNA bases, 12 mRNA and 12 tRNA bases, four amino acids and six moulded rubber phosphate strands that mount on a wooden frame; with leatherette carrying case and illustrated manual.
Note: Protein synthesis model with DNA, mRNA and tRNA bases, amino acids and phosphate strands on a wooden frame.
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Root model showing the root in longitudinal and transverse section, with pointed growth from an apical cell and cells branching out spirally from the growing point; the crown of the root is detachable.
Note: Root model in longitudinal and transverse section showing apical-cell growth, detachable crown.
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White polycarbonate rack for 24 micro centrifuge tubes, chemical resistant and autoclavable, with numbered and lettered holes and a stacking feature that stops movement in any direction. Supplied by JaincoLab.
Note: 24-place polycarbonate micro centrifuge tube rack, autoclavable, stackable, indexed holes.
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Teaching model of the reflex arc, the nerve pathway from a receptor through the spinal cord to an effector muscle; construction, size and labelling are confirmed on the quotation.
Note: Reflex arc teaching model; details confirmed on the quotation.
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Graduated reagent bottle of 1000 ml capacity with screw closure, in clear borosilicate glass, heat and chemical resistant, for storing and dispensing laboratory solutions. Supplied by JaincoLab.
Note: 1000 ml graduated borosilicate reagent bottle with screw closure.
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500 ml reagent bottle with screw cap, made of clear borosilicate glass with graduations, heat and chemical resistant, for everyday storage of laboratory solutions. Supplied by JaincoLab.
Note: 500 ml graduated borosilicate reagent bottle with screw cap.
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Small 250 ml reagent bottle with screw closure in clear, graduated borosilicate glass, heat and chemical resistant, for indicator and working solutions on the bench. Supplied by JaincoLab.
Note: 250 ml graduated borosilicate reagent bottle with screw closure.
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Stainless steel scalpel blades that fit a No. 4 style surgical handle or screw-on handles; chemical and heat resistant; each blade individually wrapped. Supplied by JaincoLab.
Note: Individually wrapped stainless steel scalpel blades for No. 4 style handles.
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Rod & Double Funnel Holder to Hold Two Funnels (SKU JL-LEP-11658): wooden-base holder, Cat. No. JSS-315/057, that holds two funnels and rods for side-by-side filtration.
Note: Cat. No. JSS-315/057; wooden base.
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Retort Stand Base & Rod Complete with Boss Head & Retort Clamp (SKU JL-LEP-11659): 1.8 kg stainless steel stand with chrome-plated rod, Cat. No. JSS-319/058, for supporting glassware.
Note: Cat. No. JSS-319/058; weight 1.8 kg.
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Reel Test Strip pH 1-14 Color Chart (SKU JL-LEP-11665): 5 m roll of pH test strip in a plastic case, Cat. No. JSS-331/064, read by colour match against a printed pH chart.
Note: Catalogue No. JSS-331/064; pH 1 to 14, 5 m roll.
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Root Pressure Demonstration Kit (SKU SCL-BLE-12406): plant physiology kit for showing root pressure and the ascent of sap in school and college botany practicals. Parts and sizes confirmed on the quotation.
Note: Root pressure demonstration kit; parts confirmed on the quotation.
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Ferrite ring magnet (SKU SCL-CE-12552), 17.5 mm outside diameter, 7.5 mm centre hole and 3 mm thick, whose central hole lets it be mounted on rods, shafts and screws in science models, projects and magnetism practicals.
Note: Ferrite; outside diameter 17.5 mm; inside diameter 7.5 mm; thickness 3 mm.
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