Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 383
Kitty Hawk, N. C, for the reason that there thewinds blow more uniformly than at any other placein the United States, and the great sand dunes theregave the Wrights the needed elevation from whichto leap into the wind with their gliders. Consequent-ly, w^hen at last they were ready to try a… … BIOGRAPHIES OF PROMINENT AERONAUTS. 383 power, and remained in the air for twelve seconds.From this time on progress was even slower thanbefore, on acconnt of the complications added by themotive power; bnt by the time another year hadpassed they w^ere making flights which lasted fiveminutes, and…
Aeronautics
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