Date: | 1938 |
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Description: | Cover of an advertising catalog for T-20 TracTracTors (crawler tractors), featuring photographs of tractors plowing a field; harvesting with a combine (har... |
Date: | 1920 |
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Description: | Front cover of a booklet advertising Caterpillar Lifetime combined harvesters, Models 30 and 32. The cover features a photograph of farmers using the harve... |
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