Professor Ewing's magnetic tester, c.1895

Made:
1895
Professor Ewing's magnetic tester, c.1895

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Professor Ewing's magnetic tester, c.1895
Science Museum Group
© The Board of Trustees of the Science Museum

Professor Ewing's magnetic tester, c.1895

Details

Category:
Electricity and Magnetism
Object Number:
1970-95
type:
magnetic tester
credit:
GEC-AEI Telecommunications Ltd.