Alioth's spring controlled voltmeter reading 0 to 250 volts

Alioth's spring controlled voltmeter reading 0 to 250 volts

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Alioth's spring controlled voltmeter reading 0 to 250 volts
Science Museum Group
© The Board of Trustees of the Science Museum

Alioth's spring controlled voltmeter reading 0 to 250 volts

Details

Category:
Electricity Supply
Object Number:
1909-70
type:
voltmeter
credit:
Victoria & Albert Museum, Works Division