Aeronautics an abridgement of aeronautical specifications filed at the Patent Office from A. D. 1815 to A. D. 1891. By Griffith Brewer and Patrick Y. Alexander This book, "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", by Griffith Brewer, is a replication of a book originally published before 1893. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.