This suit built in 1935 by BG Goodrich was the third such suit made for aviator Wiley Post. The first practical design, it featured an inner rubber bladder and a rubberized fabric outer layer which was glues to a frame with joints to facilitate movement. Post used his suit to fly to an altitude of 50,000 feet, where he discovered the jet stream. Post's pressure suit is the predecessor to all modern pressure suits, which operate on the same basic principe.
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