File:TungFil.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:05, 18 September 2011		150 × 334 (19 KB)	commons>SreeBot	(Original text) : This is a photograph on a website of the Smithsonian Institute's Museum of American History of an early (1905) GE tungsten filament incandescent light bulb. The Smithsonian Institute is an agency of the US Govt, which by law cannot own c

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