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I think this is how Popular Science (November 1935) covered the Grohovskiy "stratostat" (or Grokhovski stratosphere balloon):http://blog.modernmechanix.com/balloon-to-take-glider-aloft-for-stratosphere-flight/
I think this is how Popular Science (November 1935) covered the Grohovskiy "stratostat" (or Grokhovski stratosphere balloon):
http://blog.modernmechanix.com/balloon-to-take-glider-aloft-for-stratosphere-flight/
