Kelvin recording voltmeter no. 229

Kelvin recording voltmeter no. 229

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Kelvin recording voltmeter no. 229
Science Museum Group
© The Board of Trustees of the Science Museum

Kelvin recording voltmeter no. 229

Details

Category:
Electricity Supply
Object Number:
1955-286
Materials:
copper alloy, glass, paper, paint, metal (unidentified), possibly tinplate, painted steel, fabric covered wiring and soft, white metal (unidentified)
Measurements:
overall: 155 mm x 210 mm x 295 mm, , 3.6kg
type:
voltmeter
credit:
Childs, F.N.