operating
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![[Brakeman Operating Signal Switch, Locomotive 473, Texas & Pacific Railway Company]](http://farm8.static.flickr.com/7528/16104714729_1594d5937e_m.jpg)
[Brakeman Operating Signal Switch, Locomotive 473, Texas & Pacific Railway Company]
by SMU Libraries Digital Collections
by SMU Libraries Digital Collections
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)

U.S. Medical Field Service School, Carlisle Barracks, Pennsylvania: Interior of Mobile Dental Operating Unit on 2 1/2 ton Van Body
by Archives of Medicine - NLM - NIH
by Archives of Medicine - NLM - NIH
No known copyright restrictions(著作権制限なし)

U.S. Medical Field Service School, Carlisle Barracks, Pennsylvania: Rear View, Operating Tent for Mobile Operating Unit
by Archives of Medicine - NLM - NIH
by Archives of Medicine - NLM - NIH
No known copyright restrictions(著作権制限なし)
2,041件~2,100件 (全 97,957件)



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