Excerpt from Le Temps qu'Il Fait, le Temps qu'Il Fera: Notions de Météorologie à l'Usage des Aéronautes Et des AviateursSi le voyageur aérien monte en dirigeable, la puissance maxima de son moteur doit compter avec la résistance que l'air oppose à sa marche.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.