Dynamometer wattmeter no.L79139
Dynamometer wattmeter no.L79139, by Cambridge Instrument Co. Ltd., reflecting pattern, with permanantely connected control box, mounted on a slate base carrying lamps and triple length scale
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1979-554
- type:
- wattmeter
- credit:
- National Physical Laboratory.
