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PULLEY ROD MOUNTING
Comprising a 50mm dia ball bearing plastic pulley carried on an aluminium brass, 20 x 20 x 110mm long provided with a hole and clamping screw to accommodate rods up to 13mm dia. Tapped holes are provided so that the pulley may be fitted onto the boss with its axis of rotation in any one of three planes.
In addition to its rod mounting facilities, countersunk holes are provided so that a board clamp may be attached, if desired, to convert it to board/table mounting type.
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PULLEY, ROD TYPE
Aluminium pulley 38mm dia, mounted on light alloy rod 10mm dia, 150mm long.
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PULLEY, BOARD MOUNTING
Aluminium pulley, 22mm dia, in metal bracket with mounting plate 35mm long, with fixing holes.
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PULLEY, ALUMINIUM, PLAIN BEARING
Comprising a 70mm dia 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 upto 25mm thickness.
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TRAIN OF GEAR WHEELS
For demonstrating the relationship between velocity ratio and number of teeth. Three gear wheels, approximately 60, 80, 110 pitch dia, with 12, 18, 24 teeth respectively, each mounted on wooden board provided with grooves for adjusting gear wheels by changing belt.
Overall dimensions approximately 240 x 260 x 300mm.
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SIMPLE WHEEL AND AXLE
Two wheels 150mm and 75mm dia formed from solid hardwood with flat bottom grooves. Supplied with metal axle and cord.
Dimensions: 150mm diameter x 45mm.
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WHEEL AND AXLE COMPOUND
Made of cast aluminium alloy wheel 100mm dia axle 50mm and 25mm dia, mounted on adjustable steel cones in steel frame, mounted on a wooden board with 4 holes for wall mounting. Complete with 5 meter Nylon cord and steel hook.
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PROJECTILE APPARATUS
To illustrate that a body impelled horizontally will fall vertically at the same rate as a similar body allowed to fall freely. Comprises spring loaded, L section launcher with holes for locating two 19mm dia steel balls which act as projectiles. Launcher is released by push button and projects one ball forward which allows the other to fall freely. Mounted on wooden block, 180 x 60 x 30mm with storage pocket for balls. Complete with 2 steel balls.
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SURFACE TENSION BALANCE SEARL?S
Approximately 275mm length with cast metal bridge mounted on tripod stand adjustable for height and having a levelling knurled head screw fitted on one foot. The bridge has raised end pieces to which are screwed small metal blocks securing either end of a plated steel torsion wire. One block disc slotted to facilitate adjustment for torsion of the wire by means of screw passing through the end piece. At the centre of the wire a small clamp is fitted carrying a light weight metal pointer with an adjustable counterpoise. From a notch near the tip of the pointer is suspended a small weight pan with a hook fitted to its underside, to hold either wire frame 80 x 25mm (L x H) or a metal clip carrying a glass slide. 75 x 25 x 1.5mm (L X H X T). The tip of the pointer moves over a vertical graduated scale complete with set of weights 1mg to 1g.
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SURFACE TENSION APPARATUS, JAEGER
Convenient for the determination of relative surface tensions, or after calibrations with a liquid of known surface tension for determination of an unknown. Complete with tap funnel, having ground glass stopper to fit the 500ml filter flask with side arm manometer, 500 ml beaker as bath, tube 150 x30 mm with stirrer and three jets of different sizes. All glass parts made from corning glass.
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CAPILLARY TUBES APPARATUS
A 90mm high metal frame having trough of 115 x 40 x 10mm size. Frame having 6 holes fitted with corks, through pass capillary tubes of different bore 150mm in length.
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KINETIC THEORY MODEL
The apparatus consists of a clear perspex tube 250mm long x 50mm outside diameter provided with a light, freely sliding expanded polystyrene piston and a loose fitting metal cap.
The tube is mounted by means of a bayonet-type fitting in a metal cap, upon a polished wood motor housing 165 x 140 x 75mm high. A low voltage d.c. motor is contained in the housing and is coupled to a crank-driven agitator. The push rod of the agitator carries a light plastic piston which oscillates in the lower end of the tube.
The apparatus is supplied complete with a supply of 3mm dia metal spheres and one thermocoal loading discs.
Overall dimensions assembled 165 x 140 x 340mm high.
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AIR PUMP
Single action pump made of brass with oiled silk valves, cylinder 20cm x 3.2cm dia. Plate 175mm dia, with stopcock, and inlet screw fitted on teakwood polished base.
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ELECTRIC VACUUM PUMP
Oil free Vacuum Pump, Exclusive Oil-less construction of Piston or diaphragm never requires lubrication, Continuously rated with built-in rugged motor-either Single phase or three phase, Most versatile, compact vacuum pump, permanently lubricated ball bearings, practically maintenance free, Portable light weight diecast aluminium components keep overall weight minimal, low noise level, balanced eccentrics provide smooth, low vibration operation, Built in micro air filter.
Techanical Specification :-
| Type |
Diaphragm (Oil Free) |
| Max Pressure |
40 PSI |
| Vacuum |
23" of Hg |
| Free Air |
40 Ltrs/min |
| Delivery |
(1.4 CFM) |
| Motor H.P. |
1/3 |
| Watts |
250 |
| Phase |
Single or 3-Phase |
| Current |
1.8 Amps max |
| Dimensions (HxWxL) |
71/2" x 41/2" x 91/2" |
| Weight |
7.3kg |
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PUMP PLATE
Made of aluminium metal with tube for connection to pump and stopcock for air regulation on central pillar. Mounted on heavy tripod base, finished in deco colour.
Description :-
| Type |
Diameter of Plate |
| 01 |
175mm |
| 02 |
200mm |
| 03 |
250mm |
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