Date: | 10 12 1935 |
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Description: | Teacher and two girls looking at rat growth chart. |
Date: | 02 23 1945 |
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Description: | Dorothy Johansson, research assistant in zoology at the University of Wisconsin, performing an experiment using white rats to check techniques being develo... |
Date: | 01 1948 |
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Description: | Two men in a laboratory weighing rats at the Wisconsin Alumni Research Foundation. |
Date: | 12 16 1951 |
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Description: | At left, Lynn Hazelbaker is shown demonstrating the winning entry of the Madison Youth Council's rat bait box building contest built by Edward Ripp, age 14... |
Date: | 1720 |
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Description: | Detailed, ornate, and comprehensive map of America from the east coast to present day Texas. Numerous features appear throughout the map, including Native ... |
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