Cardew's patent voltmeter no. 2111, scaled 20-120V, made by W. T. Goolden & Co., London, England, 1880-1900, in box.
Details
- Category:
- Electricity Supply
- Object Number:
- 1970-524
- Materials:
- copper alloy, white metal dial, wood, mahogany, copper alloy handle and glass
- Measurements:
-
overall: 5kg
- credit:
- King's College, London
