D'Arsonval Galvanometer no. 151668, by Muirhead and Co. Ltd., December, 1947
Details
- Category:
- Telecommunications
- Object Number:
- 1989-992
- type:
- d'arsonval
- credit:
- Muirhead Vactric Components Limited
D'Arsonval Galvanometer no. 151668, by Muirhead and Co. Ltd., December, 1947