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De re metallica (1912)

Agricola, Georg, Hoover, Herbert · leaf 625

An illustration from De re metallica, 1912, leaf 625
BOOK XII . 58i … A — Long wall . B — High walls . C — Low walls . D — Plates . E — Upper pots . F — Lower pots . The sulphur from such a mixture can best be extracted if the upper pots are placed in a vaulted furnace , like those which I described among other metallurgical subjects in Book VIII . , which has no…

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