Journal de l.Ecole Polytechnique, 1887, Vol. 57 (Classic Reprint) 12+

📙 Excerpt from Journal de l'École Polytechnique, 1887, Vol. 57Quand les deux mouvements ne sont pas compatibles, il naît, dans la tranche de séparation, un nouveau mouvement compatible avec les deux autres, qui se propage ensuite, dans les deux sens, aux dépens des mouve ments primitifs.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at 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.