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Non-Commercial Use
4
Category
Electricity Supply
4
Object type
collection
1
induction voltmeters
1
plug
1
voltmeters
1
Maker
Hartmann and Braun
1
Westinghouse Electric Corporation
1
Place of origin
Frankfurt am Main
1
Frankfurt, Darmstadt, Hesse, Germany
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Pittsburgh
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Pittsburgh, Allegheny county, Pennsylvania, United States
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Reyrolle metal-clad 5A plug to BS 196
1955
Westinghouse Induction Voltmeter
1905-1924
Hartmann and Braun voltmeter no.10222 scaled 0-650V
1890
Several hermetically sealed nickel cadmium cells