Georgii Agricolae De re metallica libri XII : qvibvs officia, instrvmenta, machinae, ac omnia denique ad Metallicam spectantia, non modò luculentißimè describuntur, sed et per effigies, ... (1561)
LIBER DE CIMVS . … At aurum ab argento hac ratione ſecernitur . Temperatura primum adie cto plumbo coquatur in catino cinereo uſq ; dum omne plumbum exhalet , atq ; eius bes æris tantummodo drachmas quinq ; , aut ſummum ſex , in ſe cõ tineat : nam ſi plus æris in ipſa fuerit , argentum ab auro ſeparatum mox rur ſus…
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