Eisco has been designing, producing & supplying high quality lab equipment for education and industry since 1968. Eisco presents bicycle dynamo assembly for showing slow a.C. On an oscilloscope or meter or for demonstrating the use of a dynamo in lighting a lamp. This apparatus has a cycle dynamo mounted on a base. Two 4 mm. Socket terminals are provided for the dynamo output, connected in parallel with an m.E.S. Lamp holder and 2.5 v bulbs.