Rightlight carbon filament lamp with part-frosted spherical bulb
Twin carbon filament lamp
Carbon filament lamp
circa 1905
Carbon filament lamp, M.E.S. cap, c.1905
circa 1905
Carbon filament lamp with two different filaments and a selector switch in the cap
Carbon filament lamp
1890
Ediswan 100V 8CP carbon filament lamp
1890
Early carbon filament lamp
Carbon filament lamp with twin filaments
Philips 110V 32CP carbon filament lamp
Carbon filament lamp
Carbon filament lamp
Edison carbon filament lamp
Edison carbon filament lamp
Carbon filament lamp 50 volt
Carbon filament lamp
Robertson 'Wytelite' carbon filament lamp
Carbon filament lamp
Crompton circular radiator
1894
Woodhouse and Rawson Carbon filament lamp
Carbon filament lamp by Stearn
1895
Edison and Swan 16cp carbon filament lamp
Carbon filament lamp from the McVitie Weston valve collection
1899