Ayrton-Perry magnifying spring type voltmeter
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Licensevoltmeter Ayrton-Perry magnifying spring type no. C727
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voltmeter Ayrton-Perry magnifying spring type no. C727
Details
- Category:
- Electricity Supply
- Object Number:
- 1953-134
- Materials:
- mahogany, copper alloy, glass, mirror, paper, possibly plastic or ivory and steel compass
- Measurements:
-
overall: 130 mm x 130 mm x 130 mm, , 2.937kg
- type:
- voltmeter
- credit:
- Institution of Electrical Engineers
