Early voltmeter
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Early voltmeter, Cunynghame Woodhouse and Rawson's patent, in fitted wood case
Details
- Category:
- Electricity Supply
- Object Number:
- 1937-568
- Materials:
- mahogany, copper alloy, black, rigid plastic, glass, white metal and purple felt
- Measurements:
-
overall: x x , , 3.38kg
overall (instrument): 140 mm x 200 mm x 150 mm, ,
overall (box): 150 x 230 x 175 mm, ,
- type:
- voltmeter
- credit:
- Holden, Sir Henry Capel Lofft
