Watt Hour meter

Watt Hour meter, intermittent integrating class

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Watt Hour meter, intermittent integrating class
Science Museum Group
© The Board of Trustees of the Science Museum

Watt Hour meter, intermittent integrating class, clockwork driven clock (Dejardine patent)

Details

Category:
Electricity Supply
Object Number:
1905-36
type:
meter
credit:
British Thomson-Houston Company Limited