Hartmann and Braun voltmeter no.10222 scaled 0-650V

Hartmann and Braun voltmeter no.10222 scaled 0-650V, c

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Hartmann and Braun voltmeter no.10222 scaled 0-650V, c
Science Museum Group
© The Board of Trustees of the Science Museum

Hartmann and Braun voltmeter no.10222 scaled 0-650V, c.1890, made by Hartmann & Braun, Frankfurt for the Electric Construction Corporation Ltd.

Details

Category:
Electricity Supply
Object Number:
1970-632
Materials:
metals, copper alloy, insulating materials and glass
Measurements:
overall: 133 mm x 240 mm x 272 mm, ,
type:
voltmeters