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For showing slow AC 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. For a visual output a M.E.S. lamp holder and 2.5 V bulb is fitted.
The Old Granary, Berghill House, Berghill Lane, Babbins Wood, Oswestry. SY11 4PD