Crompton potentiometer no.141 - c.1890. [box not f

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Crompton potentiometer no.141 - c.1890. [box not found]

Details

Category:
Electricity Supply
Object Number:
1967-386
Materials:
copper alloy, mahogany, metal (unidentified) wire, rigid, black plastic, rigid, dark brown plastic and white plastic scale
Measurements:
overall (box): 85 mm x 760 mm x 165 mm, , 3.6kg
credit:
Crompton Parkinson Limited