Carbon filament lamp with two different filaments and a selector switch in the cap

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Carbon filament lamp with two different filaments and a
Science Museum Group
© The Board of Trustees of the Science Musuem

SMG00223976
Science Museum Group
© The Board of Trustees of the Science Museum

Carbon filament lamp with two different filaments and a selector switch in the cap, patented 1902

Details

Category:: Lighting

Object Number:: 1985-1080

type:: carbon filament lamp

credit:: Delta Metal Co.

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Carbon filament lamp with two different filaments and a selector switch in the cap

Details

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