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Book X. The Subterranean World (1678 ed.) by Athanasius Kircher, S.J. (1602-1680) Book X. On Metallurgy or the art of metals; the nature, properties, principles, and causes of metals, along with their matrices or mines, are thoroughly discussed. Every aspect related to this discipline is meticulously examined, employing precise methods and a comprehensive…
https://www.wichita.edu/academics/fairmount_las/geology/wparcell/Kircher/Mundus/Vol2Bk10.php