Boxes of incandescent light bulbs are seen at the City Lights Light Bulb Store January 31, 2007 in San Francisco, California. California State...
Shelf stocked with incandescent light bulbs is seen at the City Lights Light Bulb Store January 31, 2007 in San Francisco, California. California...
Window display of incandescent light bulbs is seen at the City Lights Light Bulb Store January 31, 2007 in San Francisco, California. California...
group of incandescent light bulbs hanging from the ceiling - incandescent bulb stock-fotos und bilder
Energy-saving light bulbs and an incandescent one are seen on December 17, 2008 in Molsheim, eastern France, at French light bulbs firm Osram...
Shelf stocked with compact flourescent light bulbs is seen at the City Lights Light Bulb Store January 31, 2007 in San Francisco, California....
Worker at the City Lights Light Bulb Store holds a traditional incandescent light bulb and an energy efficient compact flourescent bulb January 31,...
Display of incandescent light bulbs is seen at the Pacific Gas and Electric energy center January 31, 2007 in San Francisco, California. California...
Energy savings through energy-efficient products. An incandescent light bulb is replaced by a LED lamp.
a bearded man with long curly hair in a bun standing by the window behind a large yellow light bulb with a spiral wick. the concept of saving electricity, growing rent bills, economic crisis, unemployment - incandescent bulb stock-fotos und bilder
Picture taken on August 28, 2022 shows an incandescent light bulb with a residential buiding seen in reflexion on a windows after sunset in Lausanne....
In this photo illustration an incandescent light bulb is illuminated next to electricity pylons on November 18, 2009 in Greenock, Scotland. As world...
lampe, kompaktleuchtstoff- und unter der leitung - incandescent bulb stock-grafiken, -clipart, -cartoons und -symbole
Thomas A. Edison exhibits a replica of his first successful incandescent lamp, which gave 16 candlepower of illumination, in contrast to the ultimate...
1 beleuchteten cfl-glühbirne, umgeben von 5 unbeleuchtet funkelnden glühbirnen - incandescent bulb stock-fotos und bilder
glühbirne. symbol mit reflexion auf weißem hintergrund - incandescent bulb stock-grafiken, -clipart, -cartoons und -symbole
five glowing vintage incandescent filament bulbs, hung at different heights, on pink background. concept of light bulbs, ideas, electricity, electricity bill and electricity prices. - incandescent bulb stock-fotos und bilder
led-glühbirne illustration isoliert auf weißem hintergrund-vector - incandescent bulb stock-grafiken, -clipart, -cartoons und -symbole
In this photo illustration an incandescent light bulb is illuminated next to electricity pylons on November 18, 2009 in Greenock, Scotland. As world...
Bulbs are sintered at a light bulb factory on March 7, 2007 in Chongqing Municipality, China. Traditional incandescent light bulbs are still widely...
normalbeleuchtung, kompaktleuchtstoff- und led-lampen in weiß - incandescent bulb stock-fotos und bilder
Ukrainians can exchange up to five old incandescent light bulbs for energy-saving LED lamps under the Programme of the EU and the Government of...
In this photo illustration an incandescent light bulb is illuminated next to electricity pylons on November 18, 2009 in Greenock, Scotland. As world...
In this photo illustration an incandescent light bulb is illuminated on November 16, 2009 in London, England. As world leaders prepare to gather for...
Light bulbs are pictured on December 7, 2008 in Brussels. The EU was set on December 8, 2008 to fix dates for the gradual banning of traditional...
Light bulbs are pictured on December 7, 2008 in Brussels. The EU was set on December 8, 2008 to fix dates for the gradual banning of traditional...
Man walks by a window display of incandescent light bulbs at the City Lights Light Bulb Store January 31, 2007 in San Francisco, California....
seven vintage incandescent filament bulbs glowing on yellow background. concept of light bulbs, ideas, electricity, electricity bill and electricity prices. - incandescent bulb stock-fotos und bilder
