One of eighty-six early incandescent lamps. Carboo

One of eighty-six early incandescent lamps. Carboon filament lamp, single loop filament, one support attached to side of bulb. Attachement method? Clear bulb. Top pip. Bayonet cap with large flat brass contact plates plaster insulation. Robertson ( etched on glass).150-16 D.E. (etched onglass) (volts & c.p.?).

Details

Category:
Lighting
Object Number:
1923-173/60
type:
carbon filament lamp
credit:
Institution of Electronical Engineering
status:
Permanent collection

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