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Word: flapping (lookup in dictionary) (lookup stats)
Dates: during 1900-1909
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Usage:

From the very beginning the aim of inventors has been to arise in a machine which is heavier than air. There were two kinds of these machines, one like a bird, with wings to flap, and the other like a kite. The former has turned out to be worthless, but the latter has been developed into the aeroplane. The first attempt to fly in one of these machines was made in 1894 with little success. Not until almost the beginning of this century when Langley, Chanute, and the Wright brothers turned their attention to this invention was anything like success...

Author: NO WRITER ATTRIBUTED | Title: LECTURE BY PROF. ROTCH | 10/13/1909 | See Source »

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