Date: | 1909 |
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Description: | An unidentified man demonstrates his unsuccessful bird wing-like mechanism, which was part of an experiment in aviation. |
Date: | 1931 |
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Description: | Painting by N.C. Wyeth depicting the public demonstration of the first reaper by Cyrus Hall McCormick at Steele's Tavern, Virginia in 1831. The painting sh... |
Date: | 1910 |
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Description: | Arthur Pratt Warner, Wisconsin's first aviator, in front of the office of the Warner Instrument Company in Beloit. Warner, who held the patent for an autom... |
Date: | 1912 |
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Description: | Wilbur Wright, in profile, with a Wright Flyer. The original photographic postcard from which this image was copied was presented by Wright to pioneer avia... |
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: | 1909 |
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Description: | An unidentified man demonstrates his unsuccessful bird-like mechanism, which was part of an experiment in aviation. |
Date: | 1915 |
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Description: | Copy of chromolithograph of the testing of the first reaping machine at Steele's Tavern, W. Virginia." The scene includes racist depictions of enslaved Afr... |
Date: | 1931 |
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Description: | Back cover of an advertisement sheet, with a front page that reads: "International Harvester Celebrates The Invention of the Reaper". The color illu... |
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