Cardew's voltmeter, patent, no. 147 (Ediswan)

Made:
1890
maker:
The Edison and Swan Electric Light Company Limited
Cardew's voltmeter, patent, no. 147 (Ediswan)

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Cardew's voltmeter, patent, no. 147 (Ediswan)
Science Museum Group
© The Board of Trustees of the Science Museum

Cardew's voltmeter, patent, no. 147 (Ediswan)

Details

Category:
Electricity and Magnetism
Object Number:
1935-324
type:
voltmeter
credit:
Lt. Col. Sir Francis McClean.