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On Aerial Navigation
by
Sir George Cayley
Nicholson's Journal
On Aerial Navigation
BY SIR GEORGE CAYLEY, BART. BROMPTON, Sept. 6, 1809.
(Reprinted from Nicholson's Journal, November, 1809.)
SIR, I observed in your Journal for last month, that a watchmaker at Vienna, of the name of Degen, has succeeded in raising himself in the air by mechanical means. I waited to receive your present number, in expectation of seeing some farther account of this experiment, before I commenced transcribing the following essay upon aerial navigation, from a number of memoranda which I have made at various times upon this subject. I am induced to request your publication of this essay, because I conceive, that, in stating the fundamental principles of this art, together with a considerable number of facts and practical observations, that have arisen in the course of much attention to this subject, I may be expediting the attainment of an object, that will in time be found of great importance to mankind; so . . .
										
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