485 BOOK X . … A — Straight knife having wooden handles . B — Curved knife likewise having WOODEN HANDLES . C — CURVED KNIFE WITHOUT WOODEN HANDLES . D — SIEVE . E — Balls . F — Iron door which the master lets down when he refines silver , lest THE HEAT OF THE FIRE SHOULD INJURE HIS EYES . G — IRON IMPLEMENT ON…
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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_000033125008455038-262-178.webp)
