Aëronautics : An Abridgement of Aëronautical Specifications Filed at the Patent Office From A.D. 1815 to A.D. 1891. By Griffith Brewer and Patrick Y. Alexander (Paperback)

This fascinating book is a collection of historical patents and patent applications related to aeronautics. The documents provide insight into the early development of aviation and the key inventors and innovations that made flight possible. The book is a valuable resource for historians, engineers, and anyone interested in the history of flight.

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