This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of...
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the...
Le livre ""De L'exploitation De La Houille: A La Profondeur D'au Moins Mille Metres"" publi����� en 1859 par Adolphe Devillez est une �����tude approfondie sur l'exploitation du charbon ������ une...