Siemen's Integrating Watt-hour meter

Siemen's Integrating Watt-hour meter, 1896 and pat

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Siemen's Integrating Watt-hour meter, 1896 and pat
Science Museum Group
© The Board of Trustees of the Science Museum

Siemen's Integrating Watt-hour meter, 1896 and patent specification

Details

Category:
Electricity Supply
Object Number:
1942-6
type:
meter
credit:
Bujama, H.