Long before aviation was an accomplished fact, experimenters knew that the ideal airplane would rise vertically, hover at will, descend vertically, gently. For safety in commercial transport, for observation and bombardment by military aircraft, the value of such a ship is obvious. Millions have been spent in the U. S. and abroad, scores of models of helicopters* constructed without producing one craft which could reliably perform the essential maneuvers.
A large crowd of airmen, newshawks, photographers assembled last week at Curtiss Airport, Valley Stream,...
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