Professor Ewing's magnetic tester, c.1895
- Made:
- 1895
Professor Ewing's magnetic tester, c.1895
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1970-95
- type:
- magnetic tester
- credit:
- GEC-AEI Telecommunications Ltd.
Professor Ewing's magnetic tester, c.1895