Resistance Box

Maker and role
British Insulated and Helmsley Cables Limited, Manufacturer
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Object detail

Accession number
Resistance box, used for balancing currents on telephone lines. The unit consists of a wooden box with 3 brass terminals on top marked 100, 200 and 400.
100 200 400 Inscribed
BI & HC Ltd / LIVERPOOL Maker's Plate
Credit Line
British Insulated and Helmsley Cables Limited. Resistance Box, 1978.1873. The Museum of Transport and Technology (MOTAT).


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