Date: | 1875 |
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Description: | Head and shoulders oval framed portrait of John Muir (1838-1914). |
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: | 1899 |
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Description: | A studio portrait of naturalist, conservationist, and writer John Muir. |
Date: | 10 10 1902 |
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Description: | Wilbur Wright gliding down the steep slope of Big Kill Devil Hill at Kitty Hawk, North Carolina. Much of the Wright Brothers' success derived from the fact... |
Date: | 1953 |
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Description: | Headquarters building for truck testing at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International H... |
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