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interestingengineering.com
32 reactions | On September 14 1939, the VS-300 - the world's first practical helicopter - took flight at Stratford, Connecticut. By the early 1950s, huge strides were being made in the development of this relatively new technology. In this video from 1953, we travel back in time to 1953 and learn how aviation pioneers got the first helicopters off the ground. | History's Greatest Aircraft | Facebook
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32 reactions | On September 14 1939, the VS-300 - the world's first …
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FacebookHistory's Greatest Aircraft
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