Date: | 1920 |
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Description: | Farm tractor diagram with labeled parts. The diagram is from a pamphlet produced by the Allis-Chalmers Manufacturing Company. |
Date: | 1929 |
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Description: | Front cover of a booklet advertising Hart-Parr farm equipment featuring a color illustration of a tractor appearing between the word "Power" written backwa... |
Date: | 1929 |
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Description: | Back cover of a booklet advertising Hart-Parr farm machinery featuring a world map with the text: "The Sun Never Sets on Hart-Parr Power. Hart-Parr Company... |
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