All parts made in aluminium alloy and gun metal. Ignition is shown by mans of a miniature bulb. Fuel supply is also sectioned. With crank handle for manual operation. Fitted on polished wooden base. Overall height about 39cm. With Instructions.

High-power silicon cell converts light directly into electricity to operate motor. Exceptionally high output, 1/2 V with 40 to 50 milliamperes current output in bright sunlight. Solar cell approximately 6.4cm² with plastic diffusing lens and protective mounting. Motor with special anti-friction bearings revolves 20 to 400 times per minute in bright light with small propeller attached to shaft.

Capable of running a small dynamo to light the lamp with the help of its flywheel and driving gear. Complete with pressure gauge, whistle and safety valve.

To demonstrate principle of lead/acid accumulator. Glass jar, 250ml with plastic screw cap, carrying 4mm socket terminals fitted to two lead plate.