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 133
the upper part, and thus form a parachute. No. 4811. A.D. 1889. RIECKERT, Herman August Julius, and RIECKERT, Albert Emil Karl. " Navigable Balloon." An elongated balloon is composed of three compartments, situated one above the other, the lower compartment being strengthened by a strong wooden… … A fan or propeller is driven by treadle mechanism, and the passengers are provided with seats within a closed car. Four boats are carried below the car for supporting the apparatus should a descent be made on water.
Aeronautics
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