machine equipment
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Apparatus used at the laboratory at the C & NW RR's 40th Street yards for analysing solutions of metals used in locomotives and the railroad plant, in general, Chicago, Ill. (LOC) / The Library of Congress
No known copyright restrictions(著作権制限なし)

Australian machine gunners returning from the trenches / National Library of Scotland
No known copyright restrictions(著作権制限なし)

Treadle sewing machine with display of sewing equipment on arm. No date given, but ... / Cornell University Library
No known copyright restrictions(著作権制限なし)

Photograph of Exhibit of PDP-4 Digital Equipment Corporation Machines on the Stage of the National Archives Auditorium, 1964 / The U.S. National Archives
No known copyright restrictions(著作権制限なし)
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