Category: Physics Instruments

Comprising one electroscope, one packet of metal leaves, 4 metallised spheres, 1 reel of nylon thread,two polythene plates 75 x 75 mm, one electrophorus plate with insulating handle, 1 proof plane. two aluminium cans, one cellulose acetate strip, 1 polythene strip, one stirrup for suspending strips, one flannel rubber, one wire hook and instructions.

To demonstrate different conductivities of different metals. Rods of 5 different metals and wood, fitted along one side of a metal tank.

Two cast metal uprights, height 18 cm, fitted with two nickel plated rods supporting expansion bar of length 38 cm. Expansion bar is fixed to one upright and moves a pointer on the other, when heated. With scale reading0 to 90°, supplied with one each aluminium, brass and iron expansion bars.

For demonstrating the different thermal expansions of various liquids. Comprising five bulb tubes with plastic scales, mounted in a frame and supported in a water trough 240 x 108 x 77 mm deep. The frame has clamps to secure it to the trough and two cross members, the lower cross member having holes, and the upper tubules to locate the bulb tubes. Dimensions overall 240 x 115 x 460 mm high approx. Bulb diameter 35 mm. Bulb stem 400 mm. Supplied complete with glass bulbs and scale.

Insulated with crocodile clip at each end which will accomodate a 4 mm plug. Length of the lead is approx. 1 meters, it can be increased as per the demand.

Insulated with 4 mm. Plug at one end and crocodile clip at the other. Length of the lead is approx. 1 meters, it can be increased as per the demand.