Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 67
oplane, showing one of the immense propellers.At the top is a part of the upper plane. with models, gaining information which has been in-valuable in the development of the aeroplane. The experiments of Otto Lilienthal in gliding 66 FLYING MACHINES. with a winged structure were being conducted at… … Lilienthal in his biplane glider. was travelling distances of nearly one-fourth of amile from an elevation of 100 feet. He had reachedthe point where he was ready to install motive powerto drive his glider when he met with a fatal accident.Besides the inspiration of his daring personal ex-periments…
Aeronautics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
