Date: | 07 1917 |
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Description: | A factory worker painting the United States insignia on a bi-plane wing. |
Date: | 08 1917 |
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Description: | A training ascension of a captive observation balloon. During their training, soldiers learned how to correctly estimate the effectiveness of artillery on ... |
Date: | 1940 |
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Description: | Three men load a pile of logs onto a trailer attached to an International truck in Ontario, Canada. There appears to be a belt-driven saw attached to the s... |
Date: | 1921 |
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Description: | Front cover of a booklet advertising the Cletrac tank-type tractor. The booklet is titled "Selecting Your Tractor" and features a color illustration of a f... |
Date: | 1921 |
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Description: | Front cover of an advertising booklet entitled: "Selecting Your Tractor." The color illustration on the cover features a farmer using a Cletrac crawler tra... |
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