Date: | 1883 |
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Description: | Advertising lithograph depicting the first public demonstration of a mechanical reaper by Cyrus Hall McCormick at Steeles Tavern, Virginia, in 1831. The sc... |
Date: | |
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Description: | Portrait of Christopher Latham Sholes posing at a typewriter. |
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: | 02 15 1957 |
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Description: | John Fischer, age 11, demonstrates his invention, a "walking and talking" robot. The robot's eyes light up, and it rolls back and forth on a platform. |
Date: | 1919 |
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Description: | Inventor, B.L. Boboroff, displays his vote recording device to members of the U.S. House of Representatives. |
Date: | 1901 |
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Description: | Wilbur Wright (standing, second from the right) with Edward C. Huffaker, Octave Chanute, and George Spratt in the workshed. Chanute was a special visitor f... |
Date: | 1933 |
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Description: | Map created by International Harvester entitled: "The United States as it appeared in 1831 when Cyrus Hall McCormick invented the Reaper." The map pinpoint... |
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: | 1895 |
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Description: | Catalog featuring calendar pages. February features Lewis Miller, the father of the mowing machine, with text and a portrait. March has an illustration of ... |
Date: | |
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Description: | Oscar Zerk is sitting at his desk in his office holding a Zerk grease gun in his hand. There is a taxidermied owl on the cabinet on the right, and a large ... |
Date: | |
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Description: | Oscar Zerk is sitting at a desk holding a paper in his hand. The room is decorated with two taxidermied birds, and a large picture window is behind the des... |
Date: | |
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Description: | Inventor Oscar Zerk is leaning over his drafting table as he works on a design. |
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