Category: Physics Instruments

Glass, Biconvex, Focal length approx. 15cm.(+14D).

Comprising a heavy-gauge copper outer vessel with an internal perforated shelf for copper sulphate crystals, a porous pot and an amalgamated zinc rod fitted with a wooden supporting cap. The zinc rod and copper vessel are each provided with a 4 mm. socketed terminal.

In this cell E = 1.08 V approx.
Working capacity 0.85 litre
Size of copper vessel : 130 x 90 mm diameter approx.
Size of porous pot : 150 x 150 mm diameter approx.
Size of zinc rod : 150 x 12 mm diameter approx.

The motor is mounted on a base with a driving wheel.Output is through 4 mm sockets and a low voltage bulb is also provided as a simple output indicator.

Heavy gauge enamelled copper wire, approximate resistance 0.5 ohms wound on former 110 x 30 mm length x diameter. Secondary coil of fine enamelled copper wire, approximately resistance 100 ohms on former 110 x 82 mm length x diameter. Both coils fitted with 4 mm sockets. Iron core 120 x 15 mm length x diameter.