Commandant Bouttieaux - La Navigation Aérienne par Ballons dirigeables - 1909

Charming illustrated edition of 40 illustrations and figures in a magnificent binding of this technical and theoretical work devoted to the early days of aviation and more precisely to the development of airships as means of transport and as military and scientific instruments -

The author outlines the state of knowledge at the beginning of the 20th century on the physical principles that allow the lift of lighter-than-air aircraft, explaining the role of lifting gases such as hydrogen and helium, as well as the problems related to lift, balance, air resistance, and propulsion -

The book describes the different types of balloons and airships then in use or under experimentation, distinguishing soft, semi-rigid, and rigid structures, and detailing their mechanical design, envelope, internal ballonets, nacelles, rudders, and propulsion systems -

Particular attention is given to aerial navigation methods, control instruments, weather conditions influencing flights, and techniques for maneuvering these devices over long distances -

Commander Bouttieaux - Air Navigation by Balloons/airships - 1909 - Ch. Delagrave
- 103, (4) pages.

Very good binding condition, the work in its full blue original cloth binding, light signs of wear, flat spined, title and motif gilded on the front board, motif in blind on the back board -

Very good interior condition, nice vignette on the title page, the work enriched with 40 illustrations and figures interleaved in the text, blue endpapers in good condition, a fine copy -

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