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Place of origin
Date

Coiled filament lamp

Osram "atmostype" tungsten filament lamp

1920

Royal Ediswan metal filament lamp

One tantalum filament lamp. BC holder

Siemens tungsten filament lamp

"Standex" tungsten filament lamp

Tungsten filament lamp

Osram 6-7v

One tantulum filament lamp. BC holder.

Two GEC Osram tungsten filament (not coiled) 230V

210 volt 200 watt Royal Edison Tungsten filament lamp

Carbon filament Royal Ediswan lamp with cylindrical bulb

Coiled Tungsten Bi-Filament Lamp

"Osram-GEC" tungsten filament lamp, BC holder.

Tantalum filament incandescent lamp

Carbon filament electric lamp

Cryselco tungsten 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

Tungsten Bi-Filament Lamp

Filament lamp: large hand-made spherical lamp by G.E.C., bayonet cap, cruciform filament, 100V, 3.14 KW

Filament lamp: large hand-made spherical lamp by G.E.C.

"Multiplex" multi-filament tungsten lamp, with patent rotary band attached to bayonet cap for filament selection, 40W x 40W, in original box, by John Ismay and Sons Limited, Roden Street Works, Ilford, Essex, 1935-c1945

"Multiplex" multi-filament tungsten lamp

Six early electric filament lamps.

Six early electric filament lamps

Metallized filament lamp, 250 watts, 100 c.p.

Metallized filament lamp, 250 watts, 100 c.p.

Four early Swan bamboo filament lamps rated: (a) 65v, 200 cp., 6" diameter, marked " Sunbeam"; (b) 125v, 100 cp., 5" diameter; (c) 2-filament type for 150v or 210v, 6" diameter; (d) Of unknown rating,5" diameter

Four early Swan bamboo filament lamps rated: (a) 65v

Tungsten filament Osram lamp by GEC Ltd., 10 Kw, 115 v, with powder inbuilt for cleaning, 12" diameter, in non-original carrying crate

Tungsten filament Osram lamp by GEC Ltd.

2 Royal "Ediswan" tungsten filament lamps GES, 230V, 300W, England, 1920's

2 Royal "Ediswan" tungsten filament lamps GES