Excerpt from Aeronautics: A Class TextThe term airplane denotes a form of aircraft heavier than air, which has wing surfaces for sustentation, with stabilizing sur faces, rudders for steering, and power plant for propulsion through the air. The landing. Gear may be suited for either land or water use.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.