Rotating interruptor for modulating supply voltage

Made:
1900-1910 in Paris
maker:
G Gaiffe
Rotating interruptor for modulating supply voltage, by G Rotating interruptor for modulating supply voltage, by G

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

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Rotating interruptor for modulating supply voltage, by G
Science Museum Group
The Board of Trustees of the Science Museum

Rotating interruptor for modulating supply voltage, by G
Science Museum Group
© The Board of Trustees of the Science Museum

Rotating interruptor for modulating supply voltage, by G. Gaiffe, Paris, French, 1900-1910