Festoon Bulb

Capacitance substitution box ideal for use in industrial and educational environments.
Unit will simulate capacitances from 100pF to 0.47F in steps ratio of 1:2

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.