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Filter: FORMAT_DIMENSIONS of 3.25 x 2.25 inches
Filter: Subject of inventions
| Date: | 03 15 1945 |
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| Description: | Hulda Gieschen and Dr. Warren E. Gilson, who specializes in electro-physiology and medical electronics at the University of Wisconsin, are looking at a Gil... |
| Date: | 05 24 1945 |
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| Description: | Bennie Berg standing on a lake shore dock next to a Hoover Boat Line boat. Also shows his invention to aid in launching, the Berg's Inc. Boat Roller. |
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