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PRICE, 10 CENTS.
Problem of Manflight.
BY
Illustration: THE FLIGHT OF OTTO LILIENTHAL, OF STEGLITZ,PRUSSIA, AS ACTUALLY ACCOMPLISHED IN 1893. ACCURATELY DRAWN FROMAN INSTANTANEOUS PHOTOGRAPH.
BOSTON, MASS.:
340 Washington Street.
1894.
THE PROBLEM
OF
MANFLIGHT.
BY
This pamphlet will be sent, postpaid, to anyaddress on receipt of ten cents in stamps.
BOSTON, MASS.:
340 Washington St.
1894.
Copyright, 1894,
PRESS OF
BOSTON.
THE PROBLEM OF MANFLIGHT.
As the century draws to its close the interest in thesubject of aeronautics steadily increases. There alreadyexists a keen curiosity to know what the aerial machineof the future is likely to resemble, and also to knowwhether the nineteenth or the twentieth century willclaim it for its own.
In the present article the writer wishes to show whatinferences may be drawn from the laws of nature as sofar ascertained by observation and experiment, and hewishes also to point out a way which may lead tofurther progress.
The investigators of this subject are now divided intotwo camps: on the one side there are men who, likeMr. Maxim, are endeavoring to construct machineswhich will carry motors and therefore be self-propelling;on the other side there are men like Mr. A. M.Wellington, who maintains that a motor is unnecessaryand that wind-power is sufficient.
In the New York Engineering News, of Oct. 12,1893, Mr. Wellington, in a very interesting article entitled“The Mechanics of Flight,” makes the followingstatement: “If the conclusions so far reached in thispaper be accepted, it is obvious that they greatlysimplify the problem of artificial flight by reducing to aminimum the demand for power, making it chieflynecessary for acquiring the first initial velocity. Allattempts at aviation which include any motor for propulsion[4]are, in my judgment, on wrong lines, and predestinedto cer