Demonstration Dynamo D.C. This demonstration model facilitates the understanding of how dynamo works, thanks to the open and exposed design. mounted armature, comprising two coils of copper wire, is rotated about horizontal axis by turning the hand cranked drive wheel within magnetic field, created by the permanent U-magnet supplied with the unit. Mounted on plastic base with LED and two mm sockets for connection to measuring instruments. Drive Wheel Dimemsions (Dia.): 140 mm. Base Dimensions (W L): 150 200 mm.
