Military aeroplanes, simplified, enlarged; an explanatory consideration of their characteristics, performances, construction, maintenance, and operation, specifically arranged for the use of aviators and students (1918)
Loening, Grover Cleveland, 1888- · [Boston, W. S. Best printing company] · leaf 17
The Airship or+he Sub-narinecan float, at rest,due to+heir lightness … THE DIFFERENCE BETWEEN, HEAVIER THAN AIRAND LIGHTER THAN AIR CRAFT. A submarine immersed in water, and a dirigible balloon, immersed in air, areexactly the same type of craft. Their characteristics of fluid motion, of steering and offloating are the same — even to the fact that both use water…
Airplanes · Aeronautics, Military
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