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| Date: | 09 26 1946 |
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| Description: | Display in the window of a pharmacy, explaining what happens to uranium as atomic power is produced. |
| 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: | 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: | 1949 |
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| Description: | Worker leveling gravel with a McCormick-Deering Farmall M tractor and a no. 7 angle dozer at International Harvester's Hinsdale farm and testing facility. |
| 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: | 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: | 10 12 1935 |
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| Description: | Teacher and two girls looking at rat growth chart. |
| Date: | 07 09 1929 |
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| Description: | Pea field — inoculation experiment. John Bell farms. There are signs in the field. |
| Date: | 10 11 1939 |
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| Description: | Engineering three-quarter view towards left front of an experimental Farmall M tractor. |
| Date: | 1939 |
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| Description: | Elevated view of men field testing an experimental McCormick-Deering 12 foot combine with a Farmall M tractor. |
| 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: | 1926 |
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| Description: | Engineering photograph of an experimental McCormick-Deering Farmall Regular tractor. |
| Date: | 1942 |
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| Description: | Man testing the model 123-SP (self-propelled) combine (harvester-thresher) in a field. The machine was International Harvester's first self-propelled combi... |
| Date: | 05 17 1948 |
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| Description: | Bag of Blaney Farm seed corn. Sign on bag reads: "Blaney's Hybrid Seed Corn, Blaney Hybrid Seed Corn Farms, Madison, Wisconsin, Member of Wisconsin Experim... |
| Date: | 10 31 1952 |
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| Description: | Research Products, 1015 East Washington Avenue, display featuring Jelene ointment base. |
| Date: | 12 29 1930 |
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| Description: | International Harvester engineering department photograph of an experimental Farmall tractor. The original caption reads: "15-30 Farmall Tractor (redesigne... |
| Date: | 1953 |
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| Description: | Stone displaying ancient writing. The rock was on the grounds of International Harvester's Phoenix Proving Grounds. Opened in 1947, the proving ground was... |
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