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 141
130 A frame which is attaehed to the balloon carries a saddle, … treadle mechanism, and a propeller, and the aeronaut is thus enabled to propel the balloon. A.D. 1890. No. 8816. HARRIS, Henry Marmaduke. "Aerial Machine." This machine is built in the shape of a boat, and compart- ments are provided at the bow and stern for containing gas. A blast is blown through…
Aeronautics
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