n, but the bird raises it to a higher level byalmost imperceptibly throwing the wing slightly forward andchanging his other wing slightly to the rear. This action, it istrue, pertains to a principle different from that heretofore de-scribed. The wing that is thrown forward receives the… … A VIEW OF THE STARTING-POINT—PAULUANs UllLANE IS SEEN KISING FROM THE GROUND TO THE LEET OF THE BALLOON DISCOVERY.
Aeronautics
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