📓 Excerpt from Oeuvres Complètes de J. J. Rousseau, Vol. 15: Avec des Éclaircissements Et des Notes HistoriquesIl faut pour cet effet considérer deux objets principaux chacun en particulier; le premier doit être l'expression de tous les sons possibles, et l'autre, celle de toutes les différentes durées, tant des sons que de leurs silences relatifs ce qui com prend aussi la différence des mouvements.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.