![](https://coimages.sciencemuseumgroup.org.uk/30/666/large_thumbnail_1928_0945__0002_.jpg)
Differential galvanometer
- Made:
- 1870-1873
![Differential Galvanometer by O & F.H. Varley for cable testing.](https://coimages.sciencemuseumgroup.org.uk/334/152/medium_smg00050738.jpg)
Differential Galvanometer by O & F.H. Varley for cable testing.
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1931-714
- type:
- galvanometers
- credit:
- Imperial & International Communications Ltd.
Differential Galvanometer by O & F.H. Varley for cable testing.