Les Ponson, experts en exploitation mini re, expliquent les diff rentes m thodes employ es pour extraire la houille des mines. Les auteurs d crivent les progr s des technologies mini res en France, en Belgique, en Allemagne et en Angleterre la fin du XIXe si cle. Cette tude comparative est une lecture cl pour toute personne int ress e par l'histoire des techniques mini res et leurs d veloppements.
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