light bulb
1898
Swan United Electric Light Co.cabron filament lamp without cap
circa 1887
Carbon filament light bulb with no cap
Decorative carbon-filament light bulb with red glass envelope
circa 1900
Carbon filament light bulb with pale blue glass
circa 1888
light bulb
circa 1910
Cosmos light bulb
circa 1922
Carbon filament light bulb
circa 1912
'Dowsing' heater bulb
circa 1917
carbon filament light bulb
circa 1903
25-110 carbon filament bulb
circa 1907
Single loop carbon filament lamp with bayonet cap
circa 1895
lamp with opal reflector
circa 1905
Double filament frosted lamp
1938
carbon filament light bulb
circa 1903
carbon filament bayonet cap projector lamp
circa 1905
bulb for electric fire
circa 1930
incandescent electric lamp with carbon filament
circa 1910
Capella carbon filament light bulb
circa 1930
Cosmos 250-8-A light bulb
circa 1937
incandescent electric lamp with carbon filament
circa 1910
Four loop carbon filament lamp
circa 1912
carbon filament light bulbs
circa 1912
Ediswan 65-8-A bayonet cap projector lamp
circa 1921
Christmas carbon filament lamp in shape of a lantern
circa 1900
J Collier & Co four turn carbon filament light bulb
circa 1896
light bulb
circa 1900
carbon filament light bulb
circa 1920
Incandescent electric lamp with carbon filament
1885
Single loop projector lamp
Cosmos 230-8 carbon filament light bulb
circa 1922
Candle-shaped light bulb
circa 1910
Cosmos light bulb
circa 1928
Cosmos light bulb
circa 1922
Robertson screw cap bulb
circa 1935
Carbon filament lamp made by Swan Electric Light Co. Ltd
circa 1881
Replica of 1879 Edison lamp made by General Electric Lighting Institute
Ediswan carbon filament projector lamp
circa 1939
Ediswan carbon filament light bulb
circa 1919
Cosmos light bulbs
circa 1922
carbon filament bulbs
circa 1932
Three loop carbon filament bulb
circa 1940
Decorative spiral pattern candle-style lamp with houseshoe filament and bayonet cap
Set of seven different coloured Royal Ediswan decorative light bulbs by Edison Swan Electric Co Ltd
circa 1918
Ediswan carbon filament light bulb
1895
Bayonet cap projector lamp
circa 1891
radiator lamps
circa 1933
light bulb, with orange coating on glass
1885
Cosmos light bulb
circa 1922
light bulb
circa 1900