Artificial and Natural Flight.

London: Whittaker & Co., 1909,

Second edition. octavo, red cloth. (xvi), 176pp. Whittaker & Co., Item #16030

The author describes his own experimental work to explain the machinery and methods that enabled him to arrive at certain conclusions regarding the problem of flight. Chapters include air currents and the flight of birds, flying of kites, principally relating to screws, experiments with apparatus attached to a rotating arm-Cyrstal Palace experiments, hints as to the building of flying machines-steering by means of a gyroscope, the shape, efficiency and action of aeroplanes, and balloons. With supplement and index. Illustrations include photographs, diagrams, drawings, and charts. Minor wear to top and bottom of spine, cloth faded at extremities. Tape stain to front pastedown.

Price: $250.00

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