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De re metallica libri XII. Quibus officia, instrumenta, machinae, ac omnia denique ad metallicam spectantia, non modo luculentissime describuntur, sed et per effigies ... adjunctis latinis germanicisque appellationibu ita ob oculos ponuntur, ut clarius tradi non possint. Ejusdem de animantibus subterraneis liber ... Cum indicibus diversis / [Georg Agricola]. Public Domain Mark. Source: Wellcome Collection.