Hope’s Apparatus

Description

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 reading 0 to 90°, supplied with one each, aluminium, brass and iron expansion bars. Comprising two cast­metal uprights linked by a pair of parallel plated metal support rods and supporting an expansion bar at the top. Supplied with expansion bars. Comprising two cast-iron uprights, height 18 cm linked by two nickel plated rods supporting on expansion bar, length 38 cm fixed to one upright and resting on a friction pointer placed at the other. Supplied with scale reading 0 to 90 deg and one each of aluminium, brass and iron expansion bars.

Description

Specially designed for metal block calorimeters. Heating element enclosed in a metal tube with two connecting leads which are insulated with heat resistant insulation. 12 V, 50 W.

Description

To determine co-efficient of expansion of a gas at constant pressure. A glass U-tube with a bulb and stopcock at one end, the other limb being open. An outlet tube from the bottom of the U tube passes through a rubber bung and has a stopcock at the end. The stem below the bulb is graduated 3 x 0.1 ml. An inlet tube with a mohr clip also passes through the bung. A glass water jacket encloses the U tube. All glass parts made of borosilicate glass requires only 20 ml mercury, which is not included.

Description

To observe heat transfer under different conditions by measuring the temperatures of the insulated containers before and after connecting them with the metal bar. Consists of two insulated containers, two thermometers and a metal bar and instruction manual.