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Date: 2013-01-19 19:30:55Gliding Aerospace engineers Otto Lilienthal Ornithopter Lawrence Hargrave Francis Herbert Wenham Glider aircraft Aircraft Samuel Pierpont Langley Aviation Transport Aeronautics | The Boston Aeronautical Society[removed]Post Office Box 1197 Boston, MassachusettsAdd to Reading ListSource URL: www.massaerohistory.orgDownload Document from Source WebsiteFile Size: 118,40 KBShare Document on Facebook |