Aëronautics: an abridgment of aëronautical specifications filed at the Patent Office from A. D. 1815 to A. D. 1891 (1893)
Brewer, Griffith, comp, Alexander, Patrick Y., joint comp, Great Britain. Patent Office · London, Taylor and Francis · leaf 18
1st. A navigable balloon. 2nd. A mechanical flying machine. There are also some detail improvements applicable to aerial machines generally, described and shown in the drawings. … The balloon is made in an elongated form and having a membrane within same, below which latter air can be forced to keep the balloon always distended. The network is made of flat silk bands, which are placed longitudinally and trans- versely, and also diagonally if required. A single strong band…
Aeronautics
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