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Filter: Subject of inventors
| Date: | 01 29 1946 |
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| Description: | Schoelkopf Manufacturing Company, 320 North 3rd Street, between East Johnson Street and Pennsylvania Avenue. Louis Schoelkopf invented and manufactured the... |
| Date: | 06 15 1927 |
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| Description: | Schoelkopf Manufacturing Company, manufacturers of Air-Lec power door operators. The doors are in an open position, view from indoors looking out towards t... |
| Date: | 07 26 1945 |
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| Description: | Pfc. Glen Lindsey displays the fly traps he invented to trap thousands of flies in the Truax Field area. |
| Date: | 11 29 1951 |
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| Description: | The first commercial pigeon hole parking unit in the world was built for the Harry S. Manchester department store, behind Manchesters at the corner of Wisc... |
| Date: | 06 26 1959 |
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| Description: | Richard Brachman, an engineer, demonstrates his solution for the problem of mowing the grass on a steep slope near his home. He removed the handles of his ... |
| Date: | 12 09 1959 |
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| Description: | Five members of a Junior Achievement group made up of representatives of the four Madison High Schools accept a plaque for best research in developing new ... |
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| Description: | View from street of two men standing just inside the open doorway of the storefront. Trunks are displayed on pallets set up on the wooden sidewalk. Dexter ... |
| Date: | 02 03 1964 |
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| Description: | Wisconsin high school student Jeffrey Mattox is shown playing a game of tic-tac-toe against the machine he constructed. A screen shows the squares, and a m... |
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| Description: | Coin for Reaper Centennial with portrait of C.H. McCormick, inventor of the reaper. |
| Date: | 1900 |
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| Description: | Anvil block sitting outdoors. The block was used by Cyrus McCormick for building the first reaper. |
| Date: | 1920 |
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| Description: | Advertisement with illustrations on the progress of the International Harvester company. |
| Date: | 1955 |
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| Description: | View from pier of John "Commodore" Heggestad of Department 40 of Gisholt proudly standing on the pontoon of the "Monona-Mobile" (pontoon boat) on which his... |
| Date: | 11 02 1913 |
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| Description: | Inventors copyright drawing with signatures of inventors Paul Kane, and G.A. Hagadone. Dated Dec. 14th, 1912. |
| Date: | 03 08 1913 |
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| Description: | Inventors copyright drawing. Dated March 4, 1913. |
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| Description: | "Great American Inventors," copy of engraving for Harper's. |
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| Description: | Detail of "Great American Inventors," showing Cyrus Hall McCormick. Copy of engraving for Harper's. |
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