Stories of inventors and discoverers in science and the useful arts. A book for old and young (1860)
Timbs, John, 1801-1875 · New York, Harper & Brothers · leaf 102
e practical il-lustrations of the art. In 1709, Gusman, a Portuguesefriar, constructed a machine in the form of a bird, withtubes and bellows to supply the wings Avith air; he wasrewarded with a liberal pension, but his machine failed.Gusman, however, was not discouraged, for in 1736 heconstructed… … M. Laurents Bird Machine. As air was considered the lightest of all things, thereappeared little reason to believe that the discovery offlying would be made, when in 1755 Joseph Gallien., ofAvignon, in a treatise, recommended the employment ofa bag of cloth or leather, filled with air lighter than…
Inventions · Inventors
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