Electrical Instrument, Potential Terminals: No L - 201136

Historical information

Cambridge Instrument Co Ltd, England operated from 1924 to 1967. They were makers of measuring instruments (electrical) and scientific instruments.

Physical description

Timber framed electrical instrument with interior metal conductor. Brass knobs that screw are at one end labelled 1.5 volts and 15 amps. Plates each end labelled

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