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LicenseSelf-recording voltmeter, 120 volts
Science Museum Group
© The Board of Trustees of the Science Museum
Self-recording voltmeter, 120 volts, by Richard Freres (43 London Wall, E.C.)
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1961-232
- type:
- voltmeter
- credit:
- King's College, London
