Laboratory standard d.c. (moving-coil) ammeter with 12 inch scale, model S.66 No. AD81655, by Sangamo Weston Ltd., Enfield, Middlesex, England. 20mA movement, resistance 1.92 ohms, accurate to 0.1% of full scale. Fitted with levelling feet and built-in spirit level and mercury thermometer. With connecting leads, and typescript calibration certificate dated 24 May 1955
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1989-1178
- type:
- ammeter - moving coil
- credit:
- Imperial College of Science, Technology & Medicine