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| Date: | 03 25 1947 |
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| Description: | Metal baby high chair, capable of being disassembled and folded for easy transport. Taken for Halbert M. Wood, WooDick Corporation. |
| Date: | 10 08 1953 |
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| Description: | Display of Research Products Corporation Filter Fry frying pan covers in a grocery cart. |
| Date: | 01 11 1954 |
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| Description: | A man displaying a Research Products Corporation rack for Filter Fry frying pan covers, "Takes the spatter out of kitchen frying." |
| Date: | 04 12 1954 |
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| Description: | Workman riveting two filter frames together horizontally. Taken for Research Products, 1011-1015 East Washington Avenue. |
| Date: | 04 12 1954 |
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| Description: | Workman riveting filter frames together in a L shape, taken for Research Products, 1011-1015 East Washington Avenue. |
| Date: | |
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| Description: | A woman demonstrates the use of a homemade bee catcher on a tree in her yard. |
| Date: | 1916 |
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| Description: | Postcard including a photograph of a device used to transport a queen bee. On it is also an advertisement for ordering queen bees. |
| Date: | 1909 |
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| Description: | Five men pose with the first successful four-wheel drive vehicle, which was made in Clintonville in 1909. The inventor, Otto Zachow, is the man seated at t... |
| 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. |
| Date: | 05 17 1916 |
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| Description: | Men gathered outdoors around a cotton picking machine exhibited at the National Implement and Vehicle Association Meeting. |
| Date: | 01 27 1947 |
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| Description: | Dr. John H. Gieselman, osteopathic physician, shown at a microscope. Dr. Gieselman often designed his own diagnostic equipment. He invented a new mechani... |
| Date: | 03 13 1947 |
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| Description: | Sheldon Wengel or Howard La Court at workbench creating a photographer's remote flash. A man is standing in the corner with his arms raised, perhaps holdin... |
| Date: | 03 13 1947 |
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| Description: | Sheldon Wengel and Howard La Court demonstrating a photographer's remote flash with a woman model. |
| Date: | 03 13 1947 |
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| Description: | June D. (Mrs. Sheldon) Wengel serving as a model for a remote flash tripped via a photo-electric cell invented in Madison by Sheldon Wengel and Howard La C... |
| Date: | 04 28 1947 |
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| Description: | Several patented golf tees designed to slip over the handle of a golf club. Shown are two different types of two-pronged tees, a three-pronged tee, a singl... |
| Date: | 1931 |
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| Description: | Front side of International Harvester's reaper centennial medallion (or coin), featuring an image of Cyrus Hall McCormick, the words: "Inventor of the Reap... |
| Date: | 1931 |
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| Description: | Reverse side of the International Harvester reaper centennial medallion (or coin) showing the reaper in use, and the words: "Centennial of the Reaper, 1891... |
| Date: | 1931 |
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| Description: | Display in the window of the Hudson Bay Company department store in Alberta, Canada, celebrating the centennial anniversary of the reaper's invention. |
| Date: | 1927 |
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| Description: | Front view of "Speck's cotton picker," taken for International Harvester's Engineering Department. |
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