Date: | 06 16 1931 |
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Description: | Albert Lorenz, assistant U.S. meteorologist, is reading a wind velocity instrument in the laboratory at North Hall at the University of Wisconsin-Madison. |
Date: | 07 30 1929 |
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Description: | A man reads a Toledo scale at the University of Wisconsin engineering building. |
Date: | 05 22 1928 |
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Description: | Toledo scale in use at the University of Wisconsin Genetics barn. |
Date: | 04 12 1928 |
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Description: | View of a man taking Sodium Chloride (NaCl) out of a jar to measure it on an old scale on a table. The man is working in the Ricketts laboratory at the Agr... |
Date: | 04 12 1928 |
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Description: | Man taking chemical CaCO4 out of a jar to measure it on Toledo Scale in Ricketts laboratory at Agriculture Chemistry Building, University of Wisconsin. |
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