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Scientific American 1882-05-13
173/1099
Chronograph for engineering purposes. Kinzua Viaduct -- the higheest railway bridge in the world.
Artist: John Toomey
Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
- Created on
- Saturday 22 August 2009
- Posted on
- Saturday 22 August 2009
- Tags
- bridge, railroad, railway, time recording
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