Varley's carbonised cloth rheostat by Townson & Mercer

Made:: 1890-1939

maker:: Townson and Mercer

Varley's carbonised cloth rheostat by Townson & Mercer, consisting of a number of cloth discs which can be compressed by a screw

Details

Category:: Science Teaching

Object Number:: 1983-1017

type:: rheostat

credit:: Mary Datchelor Girls' School

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Varley's carbonised cloth rheostat by Townson & Mercer

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