Language

Edison's filament lamp,  1879.
Titel Edison's filament lamp, 1879.
Caption Made by the American inventor Thomas Alva Edison (1847-1931). Edison's lamp had a single loop of carbon which glowed when a current flowed through it. The glass bulb contained a partial vacuum; there was so little oxygen in the bulb that the filament could get very hot without catching fire., 6960792
Aufnahmedatum 01.01.2009
Bildnachweis Science & Society / FOTOFINDER.COM
Bildname 10319843
Bildgröße 2731px x 3504px, 23,10 cm x 29,70 cm (300 dpi)
Model Release No Model Release available
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Land United States
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Fotofinder.com Bildnummer 6960792 / 0A7896A6FF105849