BOOK X . 484 … A — Pestle with teeth . B — Pestle without teeth . C — Dish or tray full of ashes . D — Prepared tests placed on boards or shelves . E — Empty tests . F — Wood . G — Saw . little powder is again moistened , and thrown into the test , and tamped ; this work is repeated until the test is entirely…
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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_000033125008455038-230-147.webp)
![An illustration from Cosmographey oder beschreibung aller Länder/ Herrschafften/ fürnem[m]sten Stetten/ geschichten/ gebreüchen/ handtierungen, [et]c. (1574)](https://img.insideoutlibrary.com/img/200/heidelberg-muenster1574-656-2.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_000033125008455038-364-244.webp)