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Filter: Year of 1900-1999
Filter: Year of 1930-1939
| Date: | 05 15 1935 |
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| Description: | View of a U.S. Pharmacopeia Exhibit about a class of medications called 'digitalis' at the annual Philadelphia on Parade. Digitalis medicines are used to i... |
| Date: | 05 05 1937 |
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| Description: | View of an educational exhibit set up under the auspices of George Beal, for the U.S. Pharmacopeial Convention, at the dedication of the Mellon Institute. |
| Date: | 05 1936 |
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| Description: | A view of the U.S. Pharmacopeia's exhibit at the American Medical Association's 1931 Conference in Kansas City. The exhibit includes printed reference mate... |
| Date: | 1931 |
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| Description: | Two students work in the nutrition lab at the University of Wisconsin-Madison. |
| Date: | 1939 |
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| Description: | Elevated view of men harvesting grain with a McCormick-Deering 12 foot experimental combine (harvester-thresher) pulled by a Farmall M tractor. There is a ... |
| Date: | 06 02 1930 |
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| Description: | Engineering photograph of an experimental No. 20 TracTracTor (crawler tractor). Left side view. |
| 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: | 04 21 1938 |
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| Description: | Engineering photograph of an experimental Farmall tractor "with air pre-cleaner" designated as model "F-10". Three-quarter view towards front right. |
| Date: | 12 09 1938 |
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| Description: | Engineering photograph of an experimental Farmall tractor (wood model) designated as model "2F". Three-quarter view towards left front. |
| 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: | 01 24 1938 |
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| Description: | Engineering photograph of an experimental Farmall tractor designated as model "F-15". Right side view. |
| 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: | 05 19 1937 |
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| Description: | Engineering photograph of an experimental Farmall tractor designated as model "F-22". |
| 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. |
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