📗 Excerpt from Annales Scientifiques de l'École Normale Supérieure, 1869, Vol. 6: Publiées Sous les Auspices du Ministre de l'Instruction PubliqueLe dépôt légal de et Ouvrage a été fait à Paris dans le cours de |869, et toutes les formalités prescrites par les Traité sont remplies dans les divers Etats avec, lesquels la France a conclu des conventions litteraires.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.