Who Invented the World's First Lightbulb - History of the Incandescent Bulb
Inventor Heinrich Goebel Springe, Stock Photo, Picture And Royalty Free Image. Pic. WR0674283 | agefotostock
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File:Goebel lamp01.jpg - Wikimedia Commons
![goebel]](http://www.essens.net/heinrich%20goebel.jpg "goebel]")
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