BICYCLE DYNAMO ASSEMBLY (0380) For showing slow AC on an oscilloscope or meter or for demonstrating the use of a dynamo mounted in lighting a lamp. This apparatus has a cycle dynamo mounted on a base and provided with two sets of gears driven by a hand crank for fast and slow rotation. Two 4mm socket terminals are provided for the dynamo output, connected in parallel with an MES lamp holder and 2. 5V bulb Qty :