The public got a preview of the postwar private plane in a St. Louis air show last fortnight. The plane, it appeared, will be equipped with self-starter, automatic brakes, will be spinproof, ...
IN the early part of this year I suggested in a letter to NATURE (vol. lxxvii., p. 293, January 30) that it would be desirable for experimenters with flying machines to direct their attention to ...
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