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Filter: FULL_DATE of 1941-07-31
| Date: | 07 31 1941 |
|---|---|
| Description: | Roy Wilkinson measures materials in his laboratory. |
| Date: | 07 31 1941 |
|---|---|
| Description: | Pharmacist Roy Wilkinson follows the instructions in his manual on how to precisely heat and stir a medicinal mixture. |
| Date: | 07 31 1941 |
|---|---|
| Description: | People gathered around a Farmall Regular tractor on the farm of Clarence L. Dauberman. Original caption reads: "Sydney G. McAllister, chairman, executive c... |
| Date: | 07 31 1941 |
|---|---|
| Description: | Earl C. Smith, president of the Illinois Agricultural Association, speaks into a microphone at an event to honor Mr. Clarence Dauberman for creating the fi... |
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