Date: | 01 27 1960 |
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Description: | A farmer observes the processed results of the workings of an early computer or data machine. The machine was used to process and to organize data on a her... |
Date: | 03 17 1955 |
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Description: | Science fair entry using animals to test a high cholesterol diet against a control diet. |
Date: | |
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Description: | Students and teacher in classroom demonstrating an experiment with atomic energy. |
Date: | 05 25 1951 |
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Description: | Chemistry experiment by two men being conducted with steam rising from equipment. |
Date: | 1940 |
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Description: | McCormick-Deering #42 combine connected to a testing apparatus at International Harvester's East Moline Works. The factory was constructed in 1933 and was ... |
Date: | 1940 |
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Description: | McCormick-Deering #42 combine connected to a testing apparatus at International Harvester's East Moline Works. The factory was constructed in 1933 and was ... |
Date: | 12 10 1940 |
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Description: | Engineering left side view of a McCormick-Deering Farmall M high clearance (high crop) tractor with cane attachment. |
Date: | 03 01 1939 |
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Description: | Engineering photograph of an experimental Farmall tractor designated as model "3F". Right side view. |
Date: | 08 08 1938 |
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Description: | Engineering photograph of an experimental Farmall tractor designated as model "2F". Right side view. |
Date: | 06 02 1938 |
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Description: | Engineering photograph of an experimental Farmall tractor designated as model "1-F". Left side view. |
Date: | 02 11 1938 |
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Description: | Engineering photograph of an experimental Farmall tractor with special fender attachment. The tractor was designated model "F-22". Three-quarter view towar... |
Date: | 12 01 1937 |
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Description: | Engineering photograph of an experimental McCormick-Deering six wheel drive tractor with pneumatic tires. Three-quarter view towards front right. |
Date: | 07 29 1937 |
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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: | 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: | 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: | 11 10 1937 |
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Description: | Three male workers testing the "Clean Easy Milker" milking machines at the Ben H. Anderson Mfg. Company, 3220 Atwood Avenue. |
Date: | 06 23 1936 |
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Description: | Slightly elevated view of the Wisconsin Department of Agriculture and Markets, Dairy and Food Division chemical laboratory, at 1 West Wilson Street. |
Date: | 10 12 1935 |
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Description: | Teacher and two girls looking at rat growth chart. |
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