TO THE MOST ILLUSTRIOUS AND MOST MIGHTY DUKES OF Saxony , Landgraves of Thuringia , Margraves of Meissen , Imperial Overlords of Saxony , Burgraves of Altenberg and Magdeburg , Counts of Brena , Lords of Pleissnerland , To maurice Grand Marshall and Elector of the Holy Roman Empire and to his… … itself indicates the length and breadth of the subject , and the number and importance of the sciences of which at least some little knowledge is necessary to miners . Indeed , the subject of mining is a very exten sive one , and one very difficult to explain ; no part of it is fully dealt with by…
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![An illustration from Georgii Agricolae De re metallica : libri XII. Quibus officia, instrumenta, machinae, ac omnia deni[que] ad metallicam spectantia, non modo luculentissimè describuntur, sed & per effigies, suis locis infertas, adiunctis latinis, germanicis [que] appellationibus ita ob oculos ponuntur, ut clarius tradi non possint. ; Eiusdem De animantibus subterraneis liber, (1556)](https://img.insideoutlibrary.com/img/200/ia-gri_000033125008455038-16-4.webp)
![An illustration from Madrigali ... a cinqve voci. Libro primo[-sesto] .. (1611)](https://img.insideoutlibrary.com/img/200/ia-madrigalicinqvev00gesu-182-221.webp)
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