Publisher's Synopsis
Ce livre présente une série d'observations et de recherches sur les mines de fer, leur fabrication de l'acier, et plusieurs autres mines de charbon de terre en Allemagne et en Suède. L'auteur explique en détail les procédés de fabrication et fournit également des informations historiques sur ces mines.
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 America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.
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