A simple demonstration of a Dynamo model mounted on a wooden
base of size 200 x 170 mm length x width. It is hand driven
by a gear. Simplified open frame construction which can be
readily understood without detriment to its essential similarity
to real machine. A two pole armature wound by enamelled copper
wire to rotate in 'U' shape magnet on pivot. While in rotation
process through gear wheel by hand-bulb provided glows.