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13377485 - Electric lamp and circuit symbol, illustration
12916094 - Edison's incandescent light globe in a table lamp fitting
12900812 - Electric light equipment
12400338 - Light and lamp icons, illustration
12400337 - Light and lamp icons, illustration
11710365 - Electric lights at night,19th century
11904697 - Early electric lamps
11904719 - Electric light bulb research
11904720 - Electric light bulb research
13613971 - The Electric light, 1880
13355586 - Electric light bulb, X-ray
13355587 - Electric light bulb, X-ray
13355588 - Electric light bulb, X-ray
13355585 - Electric light bulb, X-ray
12914263 - Street lit by Swan incandescent electric lamps, 1883
11707030 - An old electric lamp,first in the world
11892306 - View of a technical electric light bulb
11892304 - View of an lit electric light bulb
11892292 - Coloured X-ray of an electric light bulb
11810224 - Electric light bulbs,illustration
11892296 - View of an electric light bulb
11892661 - Electric light bulbs,different voltages
11892401 - Electric light bulb,X-ray
11904702 - Electric lights for fishing,1900
11892305 - View of an lit electric light bulb
11892291 - Coloured X-ray of an electric light bulb
11892307 - View of a lit technical electric light bulb
11892423 - Electric light bulbs
11892424 - Electric light bulbs
11892313 - Coloured X-ray of assorted electric light bulbs
11904677 - Electric lighthouse light
11892314 - Coloured X-ray of assorted electric light bulbs
11904674 - Werderman electric lamp lighting the Paris Opera
11892400 - Electric light bulb,X-ray
11892312 - Coloured X-ray of assorted electric light bulbs
11892290 - Coloured X-ray of an electric light bulb
11892289 - Coloured X-ray of an electric light bulb
11892315 - Coloured X-ray of assorted electric light bulbs
11754122 - Electric light bulbs
13613974 - Advertisement of Thomas Edison's electric light bulbs
12653067 - Electric Light Demonstration, London, 1848
12914908 - Edison experimenting with electric lamps on his wedding day
12903101 - Thomas Edison's generator for electric light, 1879
12899901 - The electric light on top of the Eiffel Tower, Paris, 1889
12899472 - The Electric Light Apparatus, 1866
11670574 - Electric lights
11892659 - Electric light bulb
11904670 - The first commercially available electric lamp
11892405 - Electric light bulb
11904664 - Electric lamp invented by Thomas Edison in 1880
11892228 - Glowing electric light bulb
11892402 - Electric light bulb
11892407 - Electric light bulb
12072795 - A tungsten electric light bulb switched on
11892583 - Electric light bulb filament
11892408 - Electric light bulb
11892406 - Electric light bulb
11770657 - Electric light bulb,leaf and switch
11770666 - Electric light bulb with on-off switch
13501946 - Brush electric arc lights, 1881
13501947 - Brush electric arc lights, 1881
13501945 - Brush electric arc lights, 1881
12653068 - Edison Incandescent Electric Lamp Patent, 1882
12903061 - Manufacturing electric light bulbs, c1883
12631011 - Laryngoscope with Electric Light, 1897
11618499 - Electric razor head,light micrograph
11892229 - Abstract,sparking electric light bulb
11903965 - Quarrying by electric light
14084297 - Siemens and Halske ratchet arc lamp, illustration
14084298 - Mechanism of constant potential arc lamp, illustration
14084299 - Constant potential arc lamp, illustration
11704448 - LED street light installation
14084292 - First arc light, illustration
11904712 - Lamp testing
13377500 - Two lamps connected in series, illustration
12916095 - Edison's incandescent lamps
13377503 - Two lamps connected in parallel, circuit diagram
11710367 - Lighthouse electric light,19th century
11612096 - Electric candle,19th century
13377502 - Two lamps connected in parallel, illustration
13453350 - Light bulb wall
13376833 - Lamp, illustration
13416695 - Edison's incandescent lamps
13377493 - Light-emitting diode and circuit symbol, illustration
13377501 - Two lamps connected in series, circuit diagram
13734251 - Incandescent light bulb
13377504 - Lamp, cell and ammeter connected in series, illustration
13258240 - Historic Last remaining street light, Jaffa, Israel
13733970 - Incandescent light bulb
13453349 - Light bulb
13734193 - Incandescent light bulb
13734191 - Incandescent light bulb
13404932 - Light bulb
12632459 - Energy Efficient LED Light, X-ray
13405315 - Vintage hanging light bulb
13404934 - Light bulb
13734192 - Incandescent light bulb
12539417 - Fluorescent lamp recycling
12632458 - Energy Efficient LED Light, X-ray
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