Excerpt from Monoplanes and Biplanes; Their Design, Construction and Operation: The Application of Aerodynamic Theory With a Complete Description and Comparison of the Notable Types In this book, therefore, the author has made it his pur pose to present the subject of the aeroplane in a manner that is at once intelligible and of interest to the average man, as well as of value to the more learned student. Much of the work involved in the writing of this book was done in fulfillment of the requirements for the degree of Master of Arts at Columbia University. This work, largely in the nature of research, was under the direction of Dr. Charles C. Trowbridge, of the Department of Phy sics, to whom the author is naturally indebted for many valuable suggestions and much friendly aid. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.