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Scientific American 1926-07
1076/1099
Modern farming. Tractor pulling threshing machine which harvests and separates the wheat from the chaff.
Artist: Howard V. Brown
Source: Steve Kirch, collector, and creator of this website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
- Created on
- Monday 6 April 2009
- Posted on
- Monday 6 April 2009
- Tags
- efficiency, food, production
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