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