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Note: The Water Bottle is a drinking bottle for animals kept in laboratory cages, listed in 125 ml and 250 ml capacities.

Note: The Wide Mouth Square Bottle is a 4000 ml autoclavable polypropylene bottle for storing and shipping chemicals and reagents.

Note: The Wash Bottles are low density polyethylene squeeze bottles with a screw cap carrying a flexible polypropylene delivery tube that can be aimed wherever the jet is needed.

Note: The Wash Bottles, New Type are low density polyethylene wash bottles with the delivery tube moulded in, making each bottle a single piece.

Note: Work function kit with power supply, three meters and diode valve; circuit printed on the panel.

Note: The Wien bridge trainer is used to study the Wien bridge and to measure capacitance with both the Wien series bridge and the Wien parallel bridge.

Note: Wide neck Erlenmeyer conical flasks in borosilicate glass, nine capacities from 50 ml to 5000 ml.

Note: Wide mouth neutral glass vials with push-in plug closure in 0.5, 1 and 2 dram sizes.

Note: Soda glass watch glasses in 40, 50, 70, 80, 90 and 100 mm diameters.

Note: Wall thermometer for shade and sunlight temperature comparison and Celsius-Fahrenheit conversion.

Note: Set of five clear plastic scaled rings that fit around fraction circles.

Note: Working model for proving the Pythagoras theorem by volume.

Note: Rotatable wooden working model of the Pythagoras theorem.

Note: Tissue flotation water bath for section handling; specifications are confirmed on the quotation.

Note: Double-walled rectangular laboratory water bath, ambient +5 °C to 95 °C; size and controller type are confirmed on the quotation.

Note: Single-wall stainless steel water bath with dry-run cut-off, in 8 L and 15 L sizes.

Note: Paraffin section flotation bath for histology, 2.5 L, 30-70 °C; reaches a stable 45 °C with 2.25 L of water in about 40 minutes.

Note: Precision water bath with observation windows and stirrer; its control thermometer contains mercury.

Note: Shaking water bath for tissue metabolism, enzyme and protein studies; tray holds test tubes or 25, 50, 250 or 1000 ml flasks as ordered.

Note: Automatic electric water still in two outputs; supply water and installation details are confirmed on the quotation.

Note: Table-model stainless steel water still in two output sizes.

Note: Jung type heavy duty wood microtome for hard material up to 8 x 5 cm, 1 micron steps up to 30 microns.

Note: Laminated and full-colour 58 x 90 cm wall chart on wave motion with plastic rollers, for Class 9 and Class 11 physics.

Note: Laminated and full-colour 58 x 90 cm wall chart on work, energy and power with plastic rollers, for Class 9 and Class 11 physics.

Note: Laminated and full-colour 58 x 90 cm wall chart on the windmill with plastic rollers, for middle-school and secondary science.

Note: Laminated and full-colour 58 x 90 cm wall chart on water harvesting with plastic rollers, for middle school science and geography classes.

Note: Laminated 70 x 100 cm wall chart on water and roughage, for school science and home science classes.

Note: 70 x 100 cm wall chart on weather map symbols, for middle and secondary school geography classes.

Note: Laminated 50 x 75 cm wall chart on water cycle, for middle and secondary school geography classes.

Note: Laminated 50 x 75 cm wall chart on weather instruments, for middle and secondary school geography classes.

Note: Laminated and full-colour 50 x 75 cm wall chart on wind action with plastic rollers, for secondary school geography classes.

Note: Laminated and full-colour 50 x 75 cm wall chart on water pollution with plastic rollers, for school environmental studies and geography classes.

Note: Laminated 50 x 75 cm wall chart on the Who will bell the Cat story, for pre-primary and primary classes.

Note: Laminated 50 x 75 cm wall chart on fieldcraft with plastic rollers, for NCC and military science classes.

Note: Laminated 70 x 100 cm wall chart on the map of the world, for school geography classes.

Note: 70 x 100 cm wall chart on the map of West Bengal with plastic rollers, for school geography and social studies classes.

Note: Handmade solid brass wrist sundial compass, supplied by JaincoLab.

Note: Watts-type surveying theodolite, supplied by JaincoLab.

Note: Cup type water current meter with digital counter, made by JaincoLab.

Note: Wooden telescopic tripod for survey instruments, made by JaincoLab.

Note: Glass water still, 4 litres per hour, 3 kW chromium plated heater in a borosilicate glass boiler.

Note: Five clear plastic scale rings for use around fraction circles.

Note: Working model proving Pythagoras theorem by volume; size confirmed on the quotation.

Note: Free-standing heavy duty stainless steel water still with immersion heater and low water level cut-off.

Note: Double-walled stainless steel table-pattern water still with glass wool insulation and stainless steel condenser.

Note: Wall-mounted SS 304 water still with brass CP cock and wall clamp for routine laboratory distilled water.

Note: Single-walled heavy gauge stainless steel rectangular water bath with concentric rings, 8 and 15 litre sizes.

Note: Double-walled stainless steel water bath with electronically controlled reciprocating shaker for metabolic and incubation work.

Note: Stainless steel serological water bath with microprocessor PID digital controller and flat lid.

Note: Double-walled stainless steel rectangular water bath with PID digital controller and concentric-ring lid.

Note: Double-walled serological water bath with stainless steel lid, ambient to 80 °C, thermostat ±0.5 °C.

Note: Rubber tubing is not included; works on 220/230 V AC.

Note: A heater cut-off device and a spare boiling flask are optional accessories.

Note: Fixed cutting-to-return stroke ratio set by the fixed distance OP. One of sixteen board-mounted mechanisms, supplied with a manual.

Note: Joule calorimeter with copper vessel in a teak wood box and Bakelite lid.

Note: Welch type tuning fork for sound and resonance experiments; frequencies confirmed on the quotation.

Note: Complete metal wrench set in assorted sizes.

Note: Water turbine demonstration model.

Note: Water turbine model with dynamo.

Note: Wheel and axle apparatus with 150 mm and 75 mm wooden wheels.

Note: Windmill model demonstrating electricity generation from wind.

Note: Wire gauze for supporting glassware over a Bunsen burner.

Note: Cork stoppers in different sizes for test tubes and bottles.

Note: All-wood mallet for soft strokes, boxed.

Note: Woulff bottle used as a vacuum-line trap to protect electric vacuum pumps.

Note: Lockable cabinet storing 2000 wax blocks in 9-compartment drawers.

Note: Red wood laboratory stand, small and large sizes.

Note: Polished wooden test tube stand, 6 holes, 4 plastic feet.

Note: Steamed beech wood slide box.

Note: Teaching model depicting wilms tumor (nephroblastoma) of the kidney for renal and paediatric tumour pathology classes.

Note: Worcester circuit board with terminals, pillars, phosphor bronze strips and accessory units for quick circuit building.

Note: Water flow indicator; type, size and range confirmed on the quotation.

Note: Water level indicator with 90 m standard cable and 9 V battery.

Note: Portable, reusable water temperature recorder with fast data offload.

Note: Double-walled rectangular thermostatic water bath in 6-hole and 12-hole sizes.

Note: Glass watch glass of 15 cm diameter for general chemistry use.

Note: Single-wall 12-hole electric water bath with a stainless steel chamber and 1 kW heater.

Note: Cylindrical aluminium water bath, 180 x 250 mm, with concentric rings.

Note: Water-flow analogy board for electric circuits, with electric water pump on 220 V AC.

Note: Waste water treatment training model supplied by JaincoLab; configuration confirmed on the quotation.

Note: Wide-range outside micrometer with interchangeable anvils, 0.01 mm least count.

Note: Weather station for wind, pressure, humidity, temperature and rainfall; model on quotation.

Note: Heavy wooden telescopic tripod for survey instruments, made by JaincoLab.

Note: Rectangular single-wall SS water bath with 75 mm ring holes, dry-run heater cut-off, 220/230 V AC.

Note: Wrist action flask shaker, two side arms, 100-1000 ml flasks, variable-speed FHP motor.

Note: Two-bed (cation then anion) ion exchange de-ionizer for demineralised laboratory water.

Note: Four bed ion-exchange de-ionizer with rubber-lined steel tanks and PLC control, supplied by JaincoLab.

Note: Table-mounted metal water still for laboratory distilled water.

Note: All-glass water still for laboratory distilled water.

Note: Quartz water still with demountable boiler; optional dual safety cut-out.

Note: Wall-mounted metal water still with heating element and built-in vent.

Note: Programmable walk-in temperature and humidity chamber for endurance testing, supplied by JaincoLab.

Note: Ion-exchange water softener used as pretreatment before glass and quartz water stills.

Note: Heavy duty wood microtome for hard material up to 8 x 5 cm, feed in 1 micron steps up to 35 microns.

Note: The wind speed sensor measures how fast air is moving and gives an electrical output that can be read on a meter or data logger, for weather and environmental studies.

Note: Spare water bath kit for the Nanoheat hotplate; the hotplate is not included.

Note: Binder of lower-secondary microscale practical worksheets for chemistry and biology.

Note: Binder of upper-secondary microscale practical worksheets for chemistry and biology.

Note: Binder of pre-university microscale practical worksheets for chemistry and biology.

Note: Combined biology, chemistry and physics work station with worksheets and guides; contents confirmed on the quotation.

Note: Watchmaker's eye glass with 25 mm plastic lens, made by JaincoLab.

Note: Educational water-quality kit for lab or field use; results need confirmation by suitable reference laboratory methods.

Note: Educational water monitoring kit for ten samples; results need confirmatory testing at a recognised reference centre.

Note: Educational water field kit for ten water quality parameters, with worksheets.

Note: Water monitoring kit for basic chemical tests on ten water samples.

Note: Class activities on water pollution and purification for 40 students.

Note: 1.75 litre PVC depth water sampler with 20 m line; not for salt water.

Note: Build-and-test wind turbine with multimeter and guide.

Note: 25 x 50 mm unglazed white porcelain streak plates.

Note: Collection of 19 world soil groups, 100 mL each, air-dried and sieved.

Note: Same description as the Potentio meter Wire Wound Module (JA-EE-7473). The value is chosen when ordering.

Note: Classroom poster on ocean currents, the water cycle and weather and climate.

Note: Set of ten study cards on water and the water cycle.

Note: Wooden louvred weather station shelter for mounting weather instruments on a post.

Note: Thermometer hygrometer showing outside temperature and relative humidity with large figures.

Note: Wind vane on a metal stand for school weather stations.

Note: Slide-wire Wheatstone bridge with 24 SWG constantan wire, plated brass strips and 4 mm sockets on a hardwood base; supplied with a jockey.

Note: Two gap slide-wire bridge with 24 SWG constantan wire, heavily plated brass strips and 4 mm socket terminals; supplied with a jockey.

Note: Student circuit board with phosphor-bronze connectors, detachable battery holders and mounted diode, resistor and switch.

Note: Apparatus for demonstrating progressive transverse waves.

Note: Transparent-cover water turbine with inlet and outlet tubes, directly coupled to a dynamo, for hydroelectric energy conversion demonstrations.

Note: Centimetre-graduated wooden lever with knife-edge fulcrum and 2 sets of 100 g weights. Quantities are confirmed on the quotation.

Note: Set of nine steel and brass weights from 1 kg to 10 g in a moulded tray, covering 10 g to 1990 g in 10 g steps.

Note: Wooden holder for lenses or mirrors up to 76 mm, with a V-slot upright and index-marked base.

Note: 200 x 30 mm cylinder made of a metal half and a wooden half, for demonstrating the difference between conductors and insulators of heat.

Note: Wien series resistance bridge with 1 kHz source, digital null detector and five switched unknowns.

Note: Twelve labelled glass slides of freshwater and marine organisms in a slotted plastic case.

Note: Circuit board kit extended with steel wool and additional components for more advanced circuit investigations; the component list is confirmed on the quotation.

Note: Board geometry set: 1 m ruler, protractor, compass (dividers), 30/60 and 45 degree set squares, in hardwearing plastic.

Note: Iron wire gauze, 160 x 160 mm.

Note: Hardwood burette stand with screw clamping jaw.

Note: The wood turning lathe machine is a semi-automatic lathe for turning spindles, bowls and other round work in timber during woodwork training.

Note: Welding leather gloves protect the hands from sparks during welding work while giving comfort and grip.

Note: The welders apron is worn for protection from sparks and heat during welding practice.

Note: Six-hole laboratory water bath, ambient to 100°C, capillary thermostat, 230 V AC.

Note: The water immersion heater heats water baths, water solutions and water-jacketed apparatus.

Note: The water permeability test kit is used to test the water permeability of concrete in civil engineering and construction materials labs.

Note: Wall-mounted screw jack apparatus comparing square and V-thread efficiencies.

Note: Wall-mounted single or double purchase winch crab for lifting machine experiments.

Note: Open type wind tunnel with 300 x 300 mm test section for aerodynamics experiments.

Note: MMAW, MIG and TIG welding simulator with monitor and fault printer; supplied by JaincoLab.

Note: Box-jointed wing divider with locking screw for metal marking out; size on the quotation; supplied by JaincoLab.

Note: Wood-bodied wire brush (file card) for cleaning file teeth; supplied by JaincoLab.

Note: Whitworth quick return mechanism table model with crank and slider ruler; supplied by JaincoLab.

Note: Closed-loop water pressure control trainer for PID studies; ratings on the quotation; manufactured by JaincoLab.

Note: 900 x 1200 mm laminated, water-proof marker white board; supplied by JaincoLab.

Note: Denominations and total mass are confirmed on the quotation.

Note: Radioactive sources and the lamp are confirmed on the quotation.

Note: Model kit for an extra-large model of the water (H2O) molecule with colour-coded atoms; the piece count is confirmed on the quotation.

Note: Wetted wall oxygen absorption pilot plant; supplied by JaincoLab.

Note: The Walkie Talkie Trainer familiarises students with the operation, maintenance, adjustment and repair of VHF and UHF hand-held communication units.

Note: Windshield wiper motor units are offered for classroom and workshop demonstrations in two forms: original units, and sectioned units cut to show the key internal features, painted and colour coded for easy identification.

Note: Working and sectioned steam engine models for teaching heat engines; supplied by JaincoLab.

Note: Twin pedestal rotating engine stand for car and truck engine repair; supplied by JaincoLab.

Note: Made as per DepEd guidelines. Used to diffuse an open flame in heating activities.

Note: Made as per DepEd guidelines. Spare part for the motorized cart; transmits torque to the worm with axle.

Note: Made as per DepEd guidelines. Spare part for the motorized cart; transmits power to the cart wheels.

Note: As per DepEd guidelines. 250 mL squeeze wash bottle with one-piece angled stem.

Note: As per DepEd guidelines. Concave borosilicate watch glass, 90 mm.

Note: Beaker, dropper, 7x magnifier, funnel, stirrer and water collector.

Note: Kundt tube sound system: 850 mm tube, piston, microphone, speaker and driver.

Note: Helix slinky, 7.5 cm diameter, 10 cm closed, stretches to 3 m.

Note: 500 ml plastic wash bottle with screw-top and bent nozzle.

Note: Motor-driven work, energy and power experiment with rail stand, photo gates, smart timer and 1000 g hanger set.

Note: Wires of different metals for resistance comparison practicals; metals and gauge confirmed on the quotation.

Note: Magnified 3D windpipe (trachea) model in PVC.

Note: 100 mm polished soda glass watch glass.

Note: 500 ml LDPE squeeze wash bottle with screw top and 90° nozzle.

Note: Polished wooden test tube stand, 12 holes (2 x 25 mm, 10 x 20 mm).

Note: 12.5 cm stainless steel wire gauze with ceramic centre.

Note: 18 cm wooden spring test tube holder for 19 mm tubes.

Note: Hardwood splints, 5 x 140 mm, splinter-free.

Note: Hofmann water electrolysis apparatus, 600-650 mm high, with electrodes and leads.

Note: 60 ml wide-mouth coloured glass reagent bottle.

Note: 60 ml wide-mouth coloured glass bottle for reagents.

Note: Wheatstone bridge kit with Ni-Cr bridge wire, digital meters, rheostat and leads.

Note: Stainless steel single-phase electric water still for laboratory distilled water.

Note: 7 ml hexagonal polystyrene weighing boat, 44 x 44 x 8 mm.

Note: Brown wooden splints for general laboratory use.

Note: Pasco wireless drop counter sensor for burette titrations, 18 x 13 mm window, up to 40 events/s.

Note: Two-piece plastic water cycle terrain model with lesson plan and study cards.

Note: Borosilicate glass watch glasses, glazed smooth finish.

Note: Prepared W.B.C (white blood cell) slide.

Note: Slide-wire bridge 1000 mm with Ni-Cr wire. A galvanometer is not listed and can be added on the quotation.

Note: Compact digital ripple tank with 1 Hz frequency steps, LED strobe illumination and 13 stored accessories for studying wave phenomena.

Note: 160 kV; use under supervision.

Note: Puridest-brand water distiller supplied by JaincoLab; a hose connection kit and a 10-litre distilled water carboy are listed with it.

Note: 2 ft working windmill model with generator and two LED bulbs.

Note: Plastic equal-arm balance with two graduated 500 ml bucket pans, up to 2,000 g.

Note: Bottle water-rocket launcher with pump, pressure gauge and pull-cord release.