Tungsten Bi-Filament Lamp

Tungsten Bi-Filament Lamp, 100-150W, 220v, External Pip, with Robins patent rotary band No. 6856-1911 attached to bayonet cap for filament selection, English, 1911-1925

Details

Category:: Lighting

Object Number:: 1989-569

type:: filament lamp

credit:: Bayley, D

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Tungsten Bi-Filament Lamp

Details

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