Vintage Sailplane Photos from the 1930s and 1940s, Including the 1939 American Open Soaring Competition - Frankfort, MI - mrbill2

Vintage Sailplane Photos from the 1930s and 1940s, Including the 1939 American Open Soaring Competition - Frankfort, MI

8 / 70

Briegleb No. 6 Utility Glider built by Bill Prescott, Ed Iverson and Joe Trefney in 1941.