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: | Back cover of a booklet produced by the Grid-Iron Grip Company entitled: "The Tractor Traction Problem Solved: Just like a locomotive, It runs on its own."... |
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