filled with crushed ore , and over the ore is put sand or ashes to a thickness of two digits , and tamped ; then in the mouth of this pot is inserted the mouth of another smaller pot and cemented with lute , lest the vapours are emitted . The ore heated by the fire exhales the quicksilver , which ,… … The fifth method is not very unlike the fourth . In the place of these pots are set other pots , likewise of earthenware , having a narrow bottom and a wide mouth . These are nearly filled with crushed ore , which is likewise covered with ashes to a depth of two digits and tamped in . The pots are
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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_000033125008455038-471-297.webp)
![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_000033125008455038-483-306.webp)
![An illustration from Cosmographiæ uniuersalis lib. VI. in quibus iuxta certioris fidei scriptorum traditionem describuntur, omnium habitabilis orbis partium situs, propriæq[ue] dotes. regionum topographicæ effigies ... (1554)](https://img.insideoutlibrary.com/img/200/ia-cosmographiuniue00mnst-374-0.webp)
