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SIEMENS CARBON FILAMENT 220 VOLT LIGHT BULB, 1900's

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SIEMENS CARBON FILAMENT 220 VOLT LIGHT BULB, 1900's

Early light bulb made by Siemens with carbon filament.
Like Robertson many companies started producing carbon filament lamps once the Edison Patent had expired.
For more information see Item A0695.

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A0696



2007 The Museum of Technology, The Great War and WWII
Company registered in England No. 7452160, Registered Charity No. 1140352, Accredited Museum No. 2221