'Accent' 100 watt G.L.S. lamp
Rough service lamp
Fineglow' 60 watt red-coloured lamp
Pressed-glass "PAR-56" sealed-beam reflector lamp
'Striplite' 60 watt lamps in 221 or 284 millimetre lengths
Wrendal light bulb
Wrendal light bulb
Edison Swan Electric Co Ltd li
Light bulb
Wrendal light bulb
Wrendal light bulb
Blue Osram lamp with box
1939-1945
Mazda Electric Lightbulb
1938-1943
Six coloured lamps available in pink
Bowl-silvered display lamp, 100 watt.
Blown-glass reflector lamps
Airfield lamp
Pressed-glass 'PAR 38' sealed-beam reflector lamp
Floodlight lamp
Traffic controllamp
'Warmlight' 100 watt G.L.S. lamp
Wrendal light bulb
light bulb
1910
Edison Swan Electric Co Ltd Ro
Osram light bulb
Incandescent Electric Lamps
Mazda coiled coil lamp bulb 100W
1940-1960
Electric light bulb
Miniature 5-amp electric lamp in brass holder
Atlas 60W blue bulb
1930-1950
Light bulb in original packagi
Projector Lamp
1945-1950
Doto Electric Light Bulb
1938
Light bulb made by Edison Swan Electric Co. Ltd
circa 1950
Edison Swan electric bulb, John Rylands Library
Around 1900
Early electric bulb, John Rylands Library
Large G.L.S. lamp with single-coil filaments
Radio Spares Ltd incandescent lamp
Light bulbs
light bulb
Model GE1640X light bulb
Light bulb
1926