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| Date: | 10 21 1936 |
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| Description: | Engineering photograph of an experimental Farmall tractor designated as model "F-22". Three-quarter view towards front right. |
| Date: | 11 21 1935 |
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| Description: | Engineering photograph of an experimental McCormick-Deering six wheel drive tractor with a six cylinder engine. Three-quarter view towards front left. |
| Date: | 11 19 1934 |
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| Description: | Engineering photograph of an experimental McCormick-Deering I-12 tractor with demountable type rear rims. Right side view. |
| Date: | 09 19 1930 |
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| Description: | Engineering photograph of an experimental Increased Power Model 10-20 industrial tractor. Right side view. |
| Date: | 1936 |
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| Description: | Engineering photograph of an experimental McCormick-Deering tractor with wheel covers. The tractor was apparently designed for use by the U.S. military. Th... |
| Date: | 06 30 1930 |
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| Description: | Engineering photograph of an experimental tractor or "shop mule" identified as a "Slonniger tructor." Right side view. |
| Date: | 05 03 1930 |
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| Description: | Engineering photograph of an experimental, redesigned Farmall tractor with 4 1/4" x 5" engine. Left side view. |
| Date: | 02 13 1930 |
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| Description: | Engineering photograph of an experimental 10-20 tractor with electric power take-off. Right side view. |
| Date: | 04 11 1928 |
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| Description: | Engineering photograph of an experimental Farmall tractor with "new Bosch (no battery) lighting system." Right side view. |
| Date: | |
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| Description: | Engineering photograph of an experimental McCormick-Deering industrial winch tractor. Right side view. |
| Date: | 04 14 1925 |
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| Description: | Engineering photograph of an experimental McCormick-Deering tractor with fenders apparently designed for use in orchards or groves. Left side view. |
| Date: | 09 11 1939 |
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| Description: | Engineering photograph of experimental McCormick-Deering Farmall B tractor with 32 inch rear wheels. Three-quarter view towards right front. |
| Date: | 02 16 1923 |
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| Description: | Engineering photograph of an experimental Farmall tractor. A white backdrop is set up along the brick wall in the background. |
| Date: | 02 16 1923 |
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| Description: | Engineering photograph of an experimental Farmall tractor. Right side view. |
| Date: | 05 15 1930 |
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| Description: | Engineering photograph of an experimental Farmall tractor with "increased power." Right side view. |
| Date: | 10 11 1939 |
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| Description: | Engineering three-quarter view towards left front of an experimental Farmall M tractor. |
| Date: | |
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| Description: | Engineering photograph of an experimental International 12-22 tractor. |
| Date: | 1900 |
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| Description: | Cadavers are laid out on gurneys in a sky-lit anatomy lab at Rush Medical College. |
| Date: | 09 11 1939 |
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| Description: | Engineering photograph of an experimental McCormick-Deering Farmall B tractor with 32" rear wheels and a single front wheel. A white backdrop is in the bac... |
| Date: | 1900 |
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| Description: | Technicians standing and sitting in the paint(?) laboratory at the McCormick Reaper Works factory. Tables are equipped with burners, beakers and other supp... |
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