Date: | 1940 |
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Description: | Cover of an advertising brochure for TD-6 TracTracTors (crawler tractors). Features photographs of crawler tractors pulling a road grader and a disk harrow... |
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."... |
Date: | 1925 |
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Description: | Bulletin advertising Pioneer tractors for construction and maintenance of highways. Features two photographs of men using the tractors; the caption beneath... |
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