Single-phase portable a.c. and d.c. wattmeter
- Made:
- 1926 in New Jersey
Single-phase portable a.c. and d.c. wattmeter, model 310 form 2 serial no.5622, by the Weston Electrical Instrument Corp., N.J., U.S.A., calibration certificate dated 1926
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1987-433
- type:
- wattmeter
- credit:
- South Bank Polytechnic. Dept. of Electri