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Название: Monoplanes and biplanes, their design, construction and operation
Автор: Grover Cleveland Loening
Издательство: New York. Munn & company, inc.
Размер: 51 Мб
Для сайта: eKnigi.org
AVIATION has now advanced to the stage where a practical exposition of the subject is widely demanded. Many so-called "popular" books have been written, and contain much that attracts the attention of the average man, but little if anything that appeals to the more serious student of the subject. On the other hand, many valuable treatises have been written, but of so scientific and mathematical a nature that they are almost unintelligible to all but a few technical men; and in many cases it must be acknowledged that mathematics often lead to conclusions that are wholly at odds with the actual results of practice. . .