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Filter: Year of 1900-1999
| Date: | 1900 |
|---|---|
| Description: | Technicians standing and sitting in the paint(?) laboratory at the McCormick Reaper Works factory. Tables are equipped with burners, beakers and other supp... |
| Date: | 01 09 1946 |
|---|---|
| Description: | Two men performing a test in a laboratory at the Madison Dairy, 1018 East Washington Avenue. |
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