🔖 Excerpt from Mémoires de l'Académie Royale des Sciences, des Lettres Et des Beaux-Arts de Belgique, 1889, Vol. 47Le directeur dela Classe des Sciences, M. Briam'. Des Lettres, M. Porvm. Des beaux-arts, M. Gevaert. Le Secrétaire perpétuel, M. J - B. - J liagre. Le délégué de la Classe des Sciences, M. J.-s. Sus, trésorier. Des Lettres, M. CII. F aider. Des Beaux - Arts, M. Et). F fins.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.