Spherical Balloon in Flight

50 k 1938

USSR

Air Sport in USSR

Pioneers with ANT-6 Model Plane	Glider G-9 (B Gribovsky) 0.49$	Captive Observation Balloon 13$	Airship "USSR V-1" Over Kremlin
Parachutists	Yakovlev VT-2 Seaplane 3.9$	Spherical Balloon in Flight	Stratosphere Balloon 4.9$
Tupolev ANT-6 Bomber