Date: | 06 27 1937 |
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Description: | Milwaukee Works factory employee using a microscope to inspect diesel engine pump parts. |
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... |
Date: | 03 15 1954 |
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Description: | Elevated view of technicians working at the American Optical Company located on 429 State Street. Men are standing and sitting at several work stations to ... |
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