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Swan United Electric light Co.'s incandescent lamps

Small electric incandescent lamp

Small electric incandescent lamp

British Electric light Company's incandescent lamps

Incandescent gas lamp (incomplete)

Two Incandescent Electric Lamps

circa 1893

Incandecent electric lamp

Radio Spares incandescent lamp

One of two Woodhouse and Rawson incandescent lamps

Two Woodhouse and Rawson incandescent lamps

Sensitometer lamp; ES base, tapered cylindrical envelope, W filament. 14v 2.95a, 38.4 Hefner candles. In use March 1937 to October 1938 in Works Laboratory. In cardboard tube. For DIN sensitometer (see 1990-5036/7906A).

DIN standard incandescent lamp

Collection of incandescent electric lamps representing contemporary production, by Osram (G.E.C) Ltd, England, 1978

Collection of incandescent electric lamps representing contemporary production

Swan's Incandescent lamps-wedge joint between carbon and platinum prior to 1882

Swan's incandescent lamps-wedge joint

Large bulb incandescent lamp for use as a Secondary Standard of Light with booklet "On Large Bulb Incandescent Electric Lamps as Secondary Standards of Light" by J A Fleming, M. A., D.Sc., F.R.S., in which the bulb is described, c.1904

Large bulb incandescent lamp for use as a Secondary Standard of Light

Woodhouse and Rawson incandescent lamp, one of two (see note)

One of two Woodhouse and Rawson incandescent lamps

Collection of old lamps, viz: 3 Nernst burners; 2 small electric incandescent lamps, and one Renier electric lamp (broken)

Collection of incandescent lamps

Selection of fifty-four incandescent lamps, bulbs, and lamp / bulb components, by Osram (G. E. C.) Ltd., England, 1978. The selection includes miniature lamps, including cycle dynamo and torch bulbs in various sizes and ratings, radio panel indicator lamps, illuminated switch lamps and general switchboard lamps: some of which are coloured and some intended for use with a coloured cover.

Fifty-four incandescent lamps, bulbs, and lamp / bulb components

ES base, tapered cylinder envelope. W W filament. 12v 20w. For DIN sensitometer (1990-5036/7906A).

DIN standard incandescent lamp

Lane Fox's incandescent lamps, mercury contact to platinum, prior to 1882

Lane Fox's incandescent lamps