For Sale Autogiros
One day in August 1929 the crowds at the National Air Races in Cleveland tittered with amused wonderment to see a winged windmill plump itself down like a weary old hen in midfield. Since then the U. S. public has known, more or less vaguely, that the weird machine was an autogiro; that it was supposed to rise almost vertically, descend slowly and vertically; that it was undergoing some sort of experiments at the hands of its inventor, Senor Juan de la Cierva and its U. S. promoter, Harold F. Pitcairn,...
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