Keywords: Hang Glider 1920s cropped.JPG Hang glider under tow Philadelphia USA 1920s Hang_Glider_1920s jpg 2010-09-22 13 23 UTC Hang_Glider_1920s jpg Author died more than 70 years ago - public domain derivative work Tempogain <span class signature-talk >talk</span> Hang_Glider_1920s jpg PD-old Original upload log This image is a derivative work of the following images File Hang_Glider_1920s jpg licensed with PD-old 2007-12-31T15 37 44Z BatteryIncluded 304x241 7561 Bytes <nowiki> Hang glider under tow Philadelphia USA 1920s www aeroclubpa org/history html Loaded by ~~~~ Author died more than 70 years ago - public domain other_versions</nowiki> Uploaded with derivativeFX Aviation in the 1920s Hang gliding Biplane gliders Philadelphia in the 1920s Unidentified gliders |