Plate taken from 'De Re Metallica' (1556) by Georgius Agricola (1494-1555). Agricola (real name Georg Bauer) was born in Saxony and is now considered the founder of geology as a discipline. His greatest work, 'De Re Metallica' ('On the Nature of Metals'), was postumously published in 1556, representing a major review of mining methods and becoming the standard text on the subject for two centuries. Through text and illustrations, it detailed equipment, machinery and transportation methods used to extract and proces ore.
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