One of a series of 20 bulbs and components illustrustrating the manufacture of the "Svea" glow lamp
1900
One of eighty-six early incandescent lamps
Incandescent lamp, carbon filament lamp
Incandescent lamp, early Ediswan lamp
Incandescent lamp, carbon filament lamp
Incandescent lamp, Zig zag filament
One of eighty-six early incandescent lamps. Bambo
Replica Ediswan lamp
One of eighty-six early incandescent lamps
Incandescent lamp, Sunbeam lamp
Incandescent lamp, BTH
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps
Incandescent lamp, carbon filament lamp
Incandescent lamp, BTH
Incandescent lamp, carbon filament lamp
One of eighty-six early incandescent lamps: Carbon filament lamp
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps: G&A
Incandescent lamp, carbon filament lamp
Incandescent lamp, Edison screw cap
Incandescent lamp, SVEA Stockholm
One of eighty-six early incandescent lamps
Incandescent lamp, carbon filament lamp
Incandescent lamp, Edison swan lamp
Bulb, one of a series illustrating the "Svea" glow lamp
1900
Bulb, one of a series illustrating the "Svea" glow lamp
1900
Incandescent lamp, Woodhouse
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps
One of eighty-six early incandescent lamps
One of a collection of historical incandescent electric bulbs; Cruto lamp
One of eighty-six early incandescent lamps
Lamp, part of a series illustrating the "Svea" glow lamp
1900
"Svea" glow lamp; bulb as first blown and glass tube for making cone
1900
Filaments, part of a series illustrating the "Svea" glow lamp
1900
Bulb cap, part of a series illustrating the "Svea" glow lamp
1900
"Svea" glow lamp; bulb as first blown with hole in end for exhausting tube
1900
Bulb, one of a series illustrating the "Svea" glow lamp
1900
Bulb cap, part of a series illustrating the "Svea" glow lamp
1900
One of a series of 20 bulbs and components illustrating the manufacture of the "Svea" glow lamp
1900
"Svea" glow lamp; glass tube for making cone
1900