Date: | 1964 |
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Description: | Cartoon from an International Harvester operator's manual. The cartoon depicts four men in a semi-circle looking at a personified wrench standing on a rais... |
Date: | 1949 |
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Description: | Cartoon from an International Harvester technical manual. The cartoon depicts a repair man dropping a pair of pliers on the shelf of an open, personified r... |
Date: | 1910 |
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Description: | Students are seated at desks in a mechanical drawing and workshop mathematics class at the Milwaukee School of Trades. |
Date: | 05 11 1938 |
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Description: | Lithograph of two men using dynamite to break rock. One man is prying at a crevasse with a pole. |
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