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
National Soaring Museum | Soaring Museum - International Vintage Sailplane Meet Registration
Machine - Glider - Sailplane, 1937
The World's Vintage Sailplanes 1908-45: Simons, Martin: 9780858800465: Amazon.com: Books