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: | 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: | 10 12 1935 |
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Description: | Teacher and two girls looking at rat growth chart. |
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: | 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: | 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... |
Date: | 12 20 1943 |
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Description: | Research engineer A.B. Welty stands next to the moisture controlling device at International Harvester Company's farm machinery engineering department. The... |
Date: | 06 23 1936 |
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Description: | Workers in trial fields of the Leonard Seed Company, with the processing plant in the background. |
Date: | 1945 |
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Description: | People examining machinery on display in front of a tent at International Harvester's Hinsdale experimental farm. A building with a red pylon and signs adv... |
Date: | 1945 |
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Description: | Men examiinge farm equipment, farm tractors and crawler tractors (TracTracTor) on display at International Harvester's Hinsdale experimental farm. |
Date: | 1945 |
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Description: | A group of men gather around a cotton picker on display at International Harvester's Hinsdale experimental farm. |
Date: | 1945 |
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Description: | Groups of men examine International equipment on display outdoors at International Harvester's Hinsdale experimental farm. The equipment on display include... |
Date: | 1900 |
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Description: | A group of men outdoors are standing behind a Deering Auto-Mower holding Deering signs. The mower was an experimental gas powered mowing machine. The text ... |
Date: | 1917 |
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Description: | A boy at Mount Prospect High School testing corn as part of the Cook County School Home Project. |
Date: | 03 30 1933 |
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Description: | A man in a field holds a very large kite just prior to launching it. On the kite is painted the number 43 and "Property of the U.S. Weather Bureau." He is ... |
Date: | 04 11 1957 |
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Description: | Pictured at the speakers' table at the dinner at Maple Bluff Country club are, left to right: Juliana Luberg; Dr. W.D. Stovall, director of the State Labor... |
Date: | 01 29 1958 |
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Description: | Three men are shown holding a large copy of the wording to be put on a bronze plaque to mark the ceremony of turning a 100-foot greenhouse over to the Univ... |
Date: | 1952 |
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Description: | A buyer for the Rahr Malting Company of Manitowoc, Wisconsin inspects barley for sale at the Minneapolis Grain Exchange. |
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