Date: | 1900 |
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Description: | Downer College students working in a laboratory in which a human skeleton, a frog, a bat and stuffed birds are displayed. |
Date: | 04 1950 |
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Description: | A girl on a swing is the subject of photographers demonstrating a technique using high speed flash. |
Date: | 1928 |
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Description: | Professor Hull conducting an experiment at the Psychological laboratory of the University of Wisconsin. |
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: | 09 20 1956 |
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Description: | Katharine Mather of the Corps of Engineers Waterways Experiment Station checks a computer analysis of the composition of cement. |
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: | 1880 |
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Description: | Illustration of a scientist in his lab gazing at a test tube, with a caption in German that translates to "Eureka! I have found it!". |
Date: | 02 27 1989 |
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Description: | Student demonstrates his science project that tests the effectiveness of aspirin. |
Date: | |
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Description: | A man seated in front of specimen drawers examines several varieties of moths and butterflies. On top of the cases are several taxidermy mounts including o... |
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: | 1925 |
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Description: | Group of ten people, both men and women, observing a researcher working in a laboratory with young chickens in a wire cage beneath a lamp. The researcher w... |
Date: | 07 21 1985 |
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Description: | View of a man and a woman looking over a railing, with binoculars and a telescopic lens at hand. Caption reads: "Light keeper John Foote and researcher Lau... |
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