Vibroground earth resistance tester
- Made:
- 1951
Vibroground earth resistance tester, model 263, serial no.263155. Ranges 1, 10, 100, 1, 000 ohms, made in 1951
Vibroground earth resistance tester, model 263, serial no.263155. Ranges 1, 10, 100, 1, 000 ohms, made in 1951