Schweizer SGS 2-32 sailplane glider from Wiliams soaring center, California, United States of America Stock Photo - Alamy
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LINDY HOPS GLIDERS by Raul Blacksten
The World's Vintage Sailplanes 1908-45: Simons, Martin: 9780858800465: Amazon.com: Books
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On September 21, 1933, Richard C. du Pont set an American sailplane distance record gliding 196 km (121.6 miles) in a Bowlus… | General aviation, Aviation, Gliders