
Null balance Megger earth tester
- Made:
- 1950-1968

Null balance Megger earth tester, patent number 963374, catalogue number 63220, instrument number 2038884, by Evershed and Vignoles Ltd, Acton Lane Works, Chiswick, 1950-68.
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1997-586
- type:
- earth tester
- credit:
- Partridge, J.