Date: | 1920 |
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Description: | Color illustration of the Gray tractor, "showing convenient arrangement of Steering Wheel and Control Levers — also the Automatic Steering Arm which assume... |
Date: | 1920 |
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Description: | Color illustration of the Gray tractor: "Showing arrangement of Radiator, Transmission Case, Gasoline Tank, etc. Lugs were removed from Drum before this ph... |
Date: | 1920 |
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Description: | Color illustration of two men with Gray tractors in a cornfield. The caption reads: "This photo of Gray Tractors in a corn field shows the remarkable rolli... |
Date: | 1928 |
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Description: | Advertisement for Hart-Parr agricultural equipment featuring a color illustration of a man operating a tractor along with text reading: "Again in the Spotl... |
Date: | 1900 |
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Description: | Elevated view of Deering Harvester Works. Includes insets: one in the bottom left corner is of a man using a horse-drawn mower, and the one in the bottom r... |
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