D'Arsonval galvanometer no. 61767, by Muirhead and Co. Ltd., February 1931
Details
- Category:
- Telecommunications
- Object Number:
- 1989-1012
- type:
- d'arsonval galvanometer
- credit:
- Muirhead Vactric Components Limited
D'Arsonval galvanometer no. 61767, by Muirhead and Co. Ltd., February 1931