Excerpt from Annales des Mines, ou Recueil de Mémoires sur l'Exploitation des Mines Et sur les Sciences Et les Arts Qui S'y Rapportent, 1850, Vol. 8 Bette disposition simplifie beau l'étude de la ...llogmpbie; les élèves se t'en nt immé diatement compte de la manière dont'les &oeäj secondaires naissent sur la forme primitiÿe et ces transformations des minéraux, si difficiles à a püder quand on examine isolement 0118c sd cristaux, deviennent aussi simples. Que lës belle! Lois de Haüy, lorsqu'on les voit groupés dans' leur ordre naturel. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.

Excerpt from Annales des Mines, ou Recueil de Mémoires sur l'Exploitation des Mines Et sur les Sciences Et les Arts Qui S'y Rapportent, 1837, Vol. 12 Pour établir cet appareil sur des arbres en fonte ou en fer, on doit y monter préalablement un manchon en bois d'une dimension convenable. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.

Excerpt from Annales des Mines, ou Recueil de Mémoires sur l'Exploitation des Mines Et sur les Sciences Et les Arts Qui S'y Rapportent, 1850, Vol. 17 Sur [association de l'argent aux minéraux métalliques et sur les procédés à suivre pour son extraction. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.

Excerpt from Annales des Mines, ou Recueil de Mémoires sur l'Exploitation des Minés Et sur les Sciences Et les Arts Qui S'y Rapportent, 1850, Vol. 17: Quatrième Série Ce mémoire comprendra trois parties: dans la Plan première nous allons exposer les essais qge nous avons exécutés pour reconnaître si les su stances métalliques de compositions diverses, que l'on trouve dans la nature, contiennent de l'argent. Nous devrons indiquer d'abord les améliorations que nous avons apportées au: rocédés de la voie sèche, et qui nous ont permis e donner à des re cherches fort délicates un caractère de précision et de certitude sans lequel nos résultats eussent pu ètre l'objet de contestations. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.

Excerpt from Annales des Mines, ou Recueil de Mémoires sur l'Exploitation des Mines Et sur les Sciences Et les Arts Qui S'y Rapportent, 1846, Vol. 10 Cependant les circonstances les plus impor tantes à considérer n'ont pas été examinées dans ces monographies. Ainsi la teneur en or des sables lavés n'est signalée nulle part; car le bénéfice moyen d'un orpailleur ne donne mème pas une idée grossière de cette richesse ni du degré de perfec tion da lavage. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.

Excerpt from Annales des Mines, 1845, Vol. 8: Ou Recueil de Memoires sur l'Exploitation des Mines Et sur les Sciences Et les Arts Qui S'y Rapportent Sa couleur, d'un blanc laiteux légèrement rosé plaît généralement moins, il est vrai que la cou leur blanc bleuâtre du plâtre de l'ariège; mais il rachète ce défaut par la merveilleuse facilité avec laquelle il se prète à tous les travaux de décoration et de moulage. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.

Excerpt from Annales des Mines, ou Recueil de Mémoires sur l'Exploitation des Mines Et sur les Sciences Et les Arts Qui S'y Rapportent, 1850, Vol. 18: Rédigées par les Ingénieurs des Mines, Et Publiés Sous l'Autorisaion du Ministre des Travaux Publics M. Beudant a depuis longtemps dejà signalé lmfluence des corps isomorphes sur la valeur des angles, mais les belles observations de ce savant s'appliquent spécialement aux substances combi nées; personne, que je sache, n'a parlé de l'influence des simples mélanges. Je n'ai cité à l'appui de mon opinion que les observations sur la strontiane sulfatée; mais plusieurs autres espèces m'ont ofiert des observations analogues. Je les réunirai dans un mémoire Spécial. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.