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Note: Four-times enlarged PVC heart in 3 parts for classroom demonstration.

Note: The junction diode rectifier and filter trainer compares half-wave, centre-tap full-wave, bridge full-wave and voltage doubler rectifiers, measuring output and ripple content with different resistive loads.

Note: Female spherical joints, 100 mm shank, socket sizes S13 to S51 and S13 capillary bore.

Note: Male spherical joints, 100 mm shank, sizes S13 to S51 and S13 capillary bore.

Note: Screwthread joints, 110 mm shank, thread sizes 13 to 32, minimum bore 7.5 to 26.0 mm.

Note: Flat flange joints in five sizes from 10 mm bore / 30 mm flange to 100 mm bore / 150 mm flange.

Note: Single cone joints, 110 mm shank, in 12 cone sizes from B7 to B55.

Note: Single socket joints, 110 mm shank, in 12 sizes from B7 to B55.

Note: Cone joints with tip, 90 mm shank, in 10 cone sizes from B10 to B55.

Note: Plastic joint clips for B10, B14, B19, B24, B29 and B34 ground-glass joints.

Note: Polypropylene jug and beaker set, 50 to 1000 ml calibrations, for volume and conversion lessons.

Note: Transparent magnetic teacher geometry set with 1 m folding scale, 50 cm compass, 40 cm set square and 40 cm protractor.

Note: Pythagoras theorem kit with a 3 x 4 in plastic right triangle and three grid-printed side squares.

Note: 70 x 100 cm wall chart on joints of the human body, for secondary school biology classes and nursing training.

Note: 70 x 100 cm wall chart on Jagadish Chandra Bose, for school science classrooms and laboratories.

Note: Laminated wall chart on jaundice with plastic rollers, for health education classes in schools, colleges and nursing courses.

Note: 70 x 100 cm wall chart on India's weather in January with plastic rollers, for school geography classes.

Note: 70 x 100 cm wall chart on India's weather in June with plastic rollers, for school geography classes.

Note: 70 x 100 cm wall chart on India's weather in July with plastic rollers, for school geography classes.

Note: 50 x 75 cm rhyme chart, laminated both sides with thick plastic film.

Note: 50 x 75 cm rhyme chart, laminated both sides with thick plastic film.

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

Note: Transparent magnetic set: 1 m foldable scale, 50 cm compass, 40 cm set square, 40 cm protractor.

Note: Plastic 3 in x 4 in right triangle with three one-inch gridded squares.

Note: Classroom maths kit of 24 listed teaching aids for junior classes.

Note: Compact junior fume hood with tempered glass sash and standard water, gas and electrical service fixtures.

Note: Approximate straight-line linkage of three links. One of sixteen board-mounted mechanisms.

Note: Large laboratory clamp for bulky glassware and apparatus. Size and material are confirmed on the quotation.

Note: Journal bearing apparatus with reversible speed-controlled FHP motor drive, weight-loaded bearing and 16 oil pressure tappings read together on a manometer.

Note: Plated brass contact with a 4 mm plug terminal on an insulated handle; 100 mm overall length.

Note: Electrical-heating calorimeter with a 2 W, 1% resistor on nickel-plated brass poles, foam insulation, stirrer, stopper and spare cap; no thermometer.

Note: Electrical-method calorimeter: nickel-plated copper vessel in a lagged outer vessel, constantan coil of about 6 ohm for use at 0.5 A (maximum 1 A).

Note: The jointer planer is a combination machine for jointing (flattening faces and squaring edges) and planing timber in woodwork training, with quick changeover between the two functions.

Note: J Ring passing ability apparatus for SCC; supplied by JaincoLab.

Note: Enlarged left lower jaw model with detachable canine and first molar.

Note: Analytical reagent chromium trioxide (Jones-type) reagent supplied with MSDS.