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CUBES FOR DENSITY INVESTIGATIONS (METAL)1131
10mm each side in plastic/wooden case.
(a) Aluminium (b) Brass (c) Copper (d) Lead (e) Zinc (f) Iron

CUBES FOR DENSITY INVESTIGATIONS (METAL) 1132
20mm each side in plastic/wooden case.
(a) Aluminium (b) Brass (c) Copper (d) Lead (e) Zinc (f) Iron

CUBES WOODEN 1133
Made of hardwood, accurately cut in different colours.
(a) 1 cm (b) 2 cm (c) 5 cm (d) 10 cm

BLOCK (WOODEN RECTANGULAR) 1134
Made of hardwood.
(a) 5 x 5 x 2.5 cm (b) 10 x 7.5 x 2.5cm (c) 10 x 7.5 x 5cm (d) 10 x 7.5 x 7.5cm

PULLEYS PARALLEL PLASTIC 1135
Polystyrene pulleys of 50mm dia in Aluminium frame with hooks.
(a) Single (b) Double (c) Triple

PULLEYS PARALLEL METAL 1136
Aluminium pulleys of 50mm dia in metal frame.
(a) Single (b) Double (c) Triple

PULLEYS METAL IN LINE 1137
Aluminium pulleys different dia in metal frame arranged in line.
(a) Double 50mm and 40mm dia. (b) Triple 50mm, 40mm & 22mm dia.

PULLEY DIFFERENTIAL 1138
A one piece triple pulley in metal frame with hook.
(a) 38mm (b) 50mm (c) 60mm

PULLEY DIFFERENTIAL 1139
A one piece triple pulley in metal frame with hook. (A) 38mm (B) 50mm (C) 60mm.

LEVER KIT 1140
Supplied as a kit of eight pupils and consists of five plywood beams (600 x 44 x 3mm) graduated every 38mm and with a groove across its centre to locate the fulcrum point. Also included are four fulcrums (32 x 32 x 64mm) and 40 metal blanks 25mm square. The masses of the blanks are matched to ± 1%.

PULLEY ALUMINIUM, CLAMP TYPE 1141
A 50mm dia aluminium pulley mounted in a metal frame designed for clamping to the edge of a bench.
(a) With pulley parallel to the plane of bench. (b) With pulley vertical to the plane of bench

PULLEY, ALUMINIUM, PLAIN BEARING 1142
Comprising a 70 mm diameter pulley with a wide groove for whipcord, mounted in an iron frame, designed for clamping to the edge of a bench with the pulley in a vertical plane. The clamp will accept bench tops of up to 25mm thickness.

YOUNG’S MODULUS APPARATUS 1143
Vernier type. For the experimental determination relationship between a load applied to a wire and the resulting extension. The apparatus consists of an engraved brass scale 10 cm long and vernier reading 0.1 mm. Complete with tension weight but without load masses.

PULLEY BOARD MOUNTING 1144
Aluminium pulley 22mm dia in a metal bracket with mounting plate 40mm long with fixing holes.

PULLEY ON ROD 1145
Aluminium pulley 38mm dia mounted on light alloy rod l0mm dia. 150mm long.

'G' BY FREE FALL APPARATUS 1146
This apparatus consists of a solenoid (for prompt release of the sphere on being disconnected) and gate switch unit mounted on a base, which is clamped on a 12 mm dia. retort stand rod. Connections are made through 4 mm sockets. The gate switch unit consists of a hinged metal plate held against an adjustable contact by means of small permanent magnet so that by proper adjustment, the plate falls promptly at the impact of the falling sphere. Centi-second timer can be used with this apparatus.

PULLEY ALL PURPOSE 1147
An aluminium pulley 50mm dia with groove for cord, mounted in iron frame. The frame is universal type with 2 clamping screws. The pulley can be clamped in any position on bench, rod up to 13 mm dia. Wall or on table etc.

ELASTIC MATERIALS KIT 1148
Containing 25 expendable steel springs, 2 wide steel springs, 114 x 75 mm dia., 2 soft latex foam blocks, reels of copper wire, one of 32 swg & two of 26 swg, each 50 gm, 1 length valve latex tube, 4 elastic cords with eyelets and 4 soft erasers for twisting.

BOURDON GAUGE 1149
A circular gauge having an overall diameter of 100 mm and a depth of 40 mm. The dial reads 0 to 50 Lbs/In 2 x 1 & 0 to 3.5 kg/cm 2 x 0.1 actual (total) pressure and the case has a clear Perspex back so that the working parts could be seen.

PULLEY ALL SYSTEM 1150
Almost every kind of pulley experiment can be demonstrated with the help of this equipment. It is very much interesting and of educational value to students, comprising of wooden polished base of 100 x 20 cm size with two metal supports and a horizontal bar having eight adjustable collars with hooks from which pulleys can be suspended. The following accessories are provided with the unit. Single pulley with hooks 7, Pulley Triple long 2, Pulley Triple parallel 2, Wheel and axle 1, Capstan 1. Slotted weights hanger 50gm 7, 10 gm 3, 20gm 3, 50gm 2, 100gm 7, 200gms 4.

Note: Slotted weights and hangers are made of iron and chrome plated.

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