Kelvin's astatic Watt meter
Kelvin's astatic Watt meter, 0-40 v, in brass cone, by G. White
Details
- Category:
- Electricity Supply
- Object Number:
- 1912-38
- type:
- watt meter
- credit:
- J.C. Stevens (Auction Sales)
Kelvin's astatic Watt meter, 0-40 v, in brass cone, by G. White