Polished Metal Dynamo Working Model, For Laboratory

A simple demonstration of a Dynamo Model mounted on a wooden base of size 200 x 170 mm. 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 enameled copper wire to rotate in U shape magnet in pivot. While in rotation process through the gear wheel by hand, the bulb provided glows.