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