Cardew's voltmeter, patent, no. 147 (Ediswan)
- Made:
- 1890
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Cardew's voltmeter, patent, no. 147 (Ediswan)
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1935-324
- type:
- voltmeter
- credit:
- Lt. Col. Sir Francis McClean.
