Mounted on transparent base, with 4mm color coded sockets, with circuit diagram printed for demonstration.

Spherical pattern not adjusted, light blown corning glass, with flat bottom and perforated stopper.

Mounted on wooden stand nicely polished with heavy metal base, finished in grey colour, having levelling screws. Overall height 120 cm. Boxwood scale 100 cm, graduated in mm., reading in both directio....
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For specific Heat Capacity experiments. Lead is supplied as pellets, other metals as rivets. Pack of 500 grams.

Simple wooden block 50 x 50 x 50 mm with slot to take mirrors, Equally suitable for the other mirrors in the range.

Pipette type, comprising glass float calibrated having coloured zones for charged, partly charged and uncharged conditions. Compressible bulb and rubber tube with fittings to glass body.

Two glass tubes 220 mm long, one with closed top & the other open and connected by 1 metre pressure rubber tubing, are mounted on two brackets sliding on two vertical metal rods fixed rigidly on a....
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Metal frame with six glass tubes of different bores,each of 150 mm length, fitted with corks, to show different heights of water column in different bore tubes.

Mains operated electronic timer reads 0 to 99.99 seconds. The display comprises of four 7 segment digits to read seconds and centiseconds. Two pairs of colour coded 4 mm sockets with two push buttons ....
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Stainless steel rod 1200 mm long, l0 mm diam. with one pair each of small & large, light & heavy masses, two steel knife edges in adjustable holders & a metal bracket support drilled for w....
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To study Operational Amplifire Charractersistics and Applications. Consists of 3 d.c. regulated power supplies of 0-5 V Continuously variable, ±15V d.c. regulated power supply, Sine, Square, Triangula....
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Transmission Type 30 x 25 mm. available 15000 lines per inch. Plate covered with mounted in plastic frame. Diffraction Grating School quality 25 x 30 mm. 13400 lines per inch mounted in plastic frame.....
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Made from imported optical glass with optically worked surfaces. All angles accurately worked with edges slightly bevelled and glass free from bubbles.

The kit consists of the following items 8 cardboard boxes 150 x 100 x 100 mm with hole, screen and lid. 50 sheets of black paper 200 x 250 mm. 1 20D W lamp 1 mounted lampholder with flex. 1 packet of ....
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Aluminium, diam. 50mm, in metal frame, with two hooks.

Diam. 50 mm, in metal frame, with two hooks.

Brass, plated, 20g hanger with nine slotted masses, each of 20g, total 200g.

Solid sphere with a small metal ring.

Rectangular plastic body, metal scale, with zeroadjuster, suspension ring and load hook.

Limbs 280 x 5 mm bore with ends riffled & bent at 90° for rear connections, mounted on graduated plastics base.

Blocks,50 x 40 x 30 mm, softwood, hardwood, paraffin wax, aluminium, iron & foamed polystyrene. Blocks, 20 x 20 x 100 mm perspex, glass, slate, aluminium, softwood, marble. Blocks, lead 50 x 50 x ....
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To compare the magnetic moments of magnets and to determine moment of inertia etc. Consisting of a box with sliding glass doors. The top of the case is slotted and carries a glass tube fitted wih a si....
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Showing that horizontal and vertical motions are independent of each other. Consists of a wooden block 190 x 58 x 30 mm approx. with a pivoted L-section spring loaded metal launching bar with a trigge....
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With motor, unit capable of rotating a small propellor, mounted on mini motor to explain conversion of solar energy into mechanical energy. Also available in 2 and 4 wires also.

Metal, Painted, wih spout

Hardwood, 300 mm long, metal reinforced ends, three low friction ball bearing wheels, quick release triple impulse spring, 4 removable metal legs to enable stacking of trolleys, mass 0.9 kg approx.

Containing 25 expendable steel springs, 2 wide steel springs, 114 x 75 mm diam, 2 soft latex foam blocks, reels of copper wire, one of 32 swg & two of 26 swg, each 50 g, 1 length valve latex tube,....
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Plated steel, columbus type calliper enabling the user to read either inside, outside or depth measurements. With dual scale 0-12 cm x 0.1 mm. Imperial scale graduated to 5 x 1/128 inches provided wit....
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IME type, improved design, plated steel with dual scale 0-15 cm x 0.1 mm, and 6 x 1/128 inches, provided with thumb movement for easy motion of jaws, in velvet lined box/plastic case.

Made of nickel plated brass, with ratchet top, accurately machined stainless steel rod. Range 0-25 x 0.01 mm., supplied in velvet/plastic case.

Consists of sixteen pieces of various geometrical models and figures. Made of hard wood and supplied in wooden/plastic box.

Square section aluminium alloy track,length 1.5 m, with staggered holes, supported on two light alloy castings. One support has a two point contact and other a one point contact for lateral and horizo....
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Four glass tubes of different shapes & cross sectional areas are connected to a common horizontal tube.

Diam 75 mm approx. with stopcock and handles.

For ticker tape timer No. P10551, input 220-240 V, output 12 V a.c. 1 amp.

A horizontal frame is mounted on a rod fitted to a base & carries a steel wire stretched across it, the tension of which can be adjusted by a tightening screw. A light weight metal pointer with a ....
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To provide dots on tape at 1/50 or 1/60 second intervals, equal to the frequency of the mains supply. Operates on12 V a.c. It has an electromagnet & a spring loaded armature which vibrates above a....
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Working on 12 V d.c. supply. Provides dots at 1/50 second intervals.

Wooden double wheel with flat bottomed grooves, 150 and 50 mm diams. respectively with a spindle for supporting in a retort stand, with two hooks and cord. Supplied without stand or masses.

Two metal frames are connected by a pivoted link which also carries a spirit level. A micrometer head reading to 0.01 mm is provided to re-adjust the spirit level. With two self-centering wire pin chu....
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A 600 x 75 mm plane hinged to base at one end carries a pulley at the other. A movable block enables variation of inclination of plane, a friction slide 100 x 65 mm which is reversible and has one sid....
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Two dimensional. Four metal trays with cork lined bottoms and vertical sides 300 x 200 x 19 mm.With 100 small coloured glass marbles and 8 large marbles of 25 mm diam.

To illustrate principles of lever and moment. Five plywood beams 600 x 44 x 3 mm with ruled graduations at every 38 mm and a shallow groove across its centre for fulcrum point, with 4 wood fulcrums an....
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Glass working model with visible valves, fitted on wooden stand, complete with water reservoir.

A three limbed glass tube is mounted on a wooden stand with a scale for each of the two 600 mm tubes. A rubber tube with Hoffman clip is provided for the short limb. Two metal sliding distance rods ma....
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Consists of a 12 cm long mirror scale, a spring with provision to hang masses. Supplied without masses.

Heavy, two cylinders of 40 mm & 15 mm diam. with pistons fitted with non-return valves, worked by a hand lever,a stopcock at bottom of the smaller cylinder, removable loading platform, strong cons....
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For determining specific gravity by Archimedes principle.With one pair of long frames and one short frame with a hook underneath for specific gravity experiments.With three pans,adjustable stand and s....
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For parallelogram and polygon of forces. A strong drawing board 750 x 600 mm, fitted with brackets for fixing to a wall. Clear space is left all round the edges for attachment of pulleys etc., supplie....
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