300 x 12.5 mm
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Small brass plated spheres mounted on curved arms jointed with ebonite insulating handle.
Overall length 250 mm approx.
Cylindrical : made of brass nickel plated. 125 x 50 mm in size mounted on insulated metal stand with tripod base.
A cycle dynamo mounted on a wooden base 200 x 115 x 12 mm & provided with two sets of gears driven by a hand crank for fast or slow rotation. Two 4 mm socket terminals are provided for the dynamo output. Connected in parallel with an MES lamp holder & 2.5 V bulb.
A plastic disc 16 cm diameter in wooden base, a brass nickel plated 100 mm dia plate with ebonite handle & a small brass contact sphere.. Electrophorous
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