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| Date: | 03 16 1927 |
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| Description: | Engineering photograph of men field testing an experimental cotton picker pulled by a Farmall tractor. |
| Date: | 06 12 1917 |
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| Description: | Engineering photograph of a man field testing a limited production motor cultivator. Original caption reads: "... the 1916 motor cultivator with the additi... |
| Date: | 1919 |
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| Description: | Man operating an experimental McCormick motor-driven grain binder in a field. |
| Date: | 1921 |
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| Description: | Man operating an experimental(?) reverse drive tractor with mounted hay rake in a field. |
| Date: | 1938 |
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| Description: | Man plowing a field with an experimental Farmall F-22 tractor. |
| Date: | |
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| Description: | A man sitting behind the wheel of an experimental tractor. |
| Date: | 1925 |
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| Description: | Photographic illustration of two men cutting wood with a saw powered by horses on a treadmill. The horses and treadmill were added by an artist's drawing. |
| Date: | 1962 |
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| Description: | A group of men gathered around an International Harvester HT-340 experimental research tractor that a man is driving. |
| Date: | 07 11 1924 |
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| Description: | Right side profile view of a man driving a tractor pulling an experimental weighted disk harrow. Buildings are in the background. |
| Date: | |
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| Description: | A man is looking through a window towards another man in a cold lab testing a truck. Caption reads: "A parka-clad engineer braves thirty below zero tempera... |
| Date: | 06 27 1919 |
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| Description: | A man is sitting under an umbrella on a tractor-pushed Corn Picker in factory yard. Perhaps for research and development. There is a small building in the ... |
| Date: | 06 27 1919 |
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| Description: | A man is sitting under an umbrella on a tractor-pushed Corn Picker in factory yard. Perhaps for research and development. A group of men are watching and s... |
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