One of eighty-six early incandescent lamps. Carbon
One of eighty-six early incandescent lamps. Carbonfilament lamp, single loop filament, joints to lead-in wires not clear. One filament support, near top of bulb, cylindrical bulb with shoulder at base.Top pip. Bayonet cap, now split and loose. porcelain insulated with elliptical flat brass contact plated.Manufacturer not specified. 100/16 etched on glass (votls/c.p.).
- Object Number:
- carbon filament lamp
- Institution of Electronical Engineering
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