AERONAUTICS: Air-Stationary

For 20 minutes last week Parisians watched one of Juan de la Cierva's autogyros (TIME, Oct. 1) hang stationary in the air. The feat was possible because the autogyro can keep in horizontal flight at the remarkably low forward speed of 25 miles per hour and because it was headed, during its last week's demonstration, into a wind of just about the same speed.

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