The Demonstration Dynamo includes 2‐pole armature wound with enamelled copper wire, and a permanent magnetic field provided by a removable magnet
The construction of the model is completely open and all components are readily observable
This model is mounted on a 200 x 125mm baseplate, which also carries a hand‐drive pulley, 125 diameter, coupled to the smaller dynamo pulley by a rubber belt
Electrical output is via a pair of 4mm sockets, and a light emitting diode is provided as simple output indicator
The model may also be used as a motor on a 6 to 9V d