Festoon Bulb

A simple demonstration of a Dynamo Model mounted on a wooden base. Hand driven by a gear. Simplified open frame construction which can be readily understood without detriments to its essential similarity to real machine. A 2 pole armature wound by enamelled copper wire to rotate in U shape magnet in pivot. While in rotation process through the gear wheel by hand, the bulb provided glows.

Used in experiments on Hysterisis. Six cups for mercury in bakelite tray. Six terminals for connections & an insulating handle. Maximum current 5 amps. Dimensions 140 x 140 x 80 mm.