http://book.klll.cc/ebooks/subject/22525.opds2025-11-18T23:01:43ZBooks about Metallurgy -- Early works to 1800Free eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-11-18T23:01:43Zhttps://book.klll.cc/ebooks/38015.opdsDe Re Metallica, Translated from the First Latin Edition of 1556Georg Agricola