📙 Excerpt from Annales de Chimie Et de Physique, 1861, Vol. 61: Troisieme SérieParis. Imprimerie de Mallet - Bachelier, rue de seinoesaint-gormain, IO près l'institut.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. 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.