📓 Excerpt from Cours de Physique de l'École Polytechnique: Deuxième Supplément; Progrès de l'Électricité (Oscillations Hertziennes, Rayons Cathodiques Et Rayons X)De même le système c.g.s. Électromagnétique consiste à choisir l'unité de magnétisme de telle sorte que le coefficient k de la formule (1) relatif aux répulsions magnétiques dans le vide se réduise à l'unité.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.