File:Bell-relay1 100 .jpeg .jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:40, 19 May 2010		800 × 624 (112 KB)	Davidboslaugh (talk \| contribs)	Bell Labs relay calculator in operation at the Army Ballistic Research Laboratory. U.S. Army photo
	19:33, 6 May 2010		800 × 624 (112 KB)	Davidboslaugh (talk \| contribs)

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