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Filter: Year of 1900-1999
Filter: Year of 1930-1939
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| Date: | 03 02 1934 |
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| Description: | A man exposing a negative onto a zinc plate, in preparation for making a zinc etching at Wisconsin Engraving Co., 109 S. Carroll Street. |
| Date: | 10 30 1931 |
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| Description: | A food scientist looking through a microscope at Oscar Mayer. |
| Date: | 06 27 1937 |
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| Description: | Milwaukee Works factory employee using a microscope to inspect diesel engine pump parts. |
| Date: | 10 1935 |
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| Description: | A man wearing a white surgical gown and gloves is standing at a surgical table. He is performing a necropsy on a small animal. There is a double basin stan... |
| Date: | 1938 |
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| Description: | Superintendent of Biology Edward "Doc" Schneberger, who is wearing a long white coat, is sitting on a stool and looking through a microscope at a small tab... |
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