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)
habet aliquot annulos ferreos , ad quos corium ſic eſt affixũ , ut ta les ſinus fiant , quales uidentur in his laternis chartaceis , quæ complicari poſ ſunt . Cum autem iſtiuſmodi folles flatum uehementem nõ expirent , atque tardius diducantur & comprimãtur , excoctor toto die paulo plus quàm di… … At ferri uena , cui præcipua bonitas , excoquatur in fornace , quę ſecundę ferè ſimilis ſit : etenim focus exiſtat altus pedes tres & dimidium , latus & lon gus ad pedes quinq ; : in cuius medio ſit catinus altus pedem , latus ſeſquipe dem . Quanquã altior uel humilior , atq ; latior uel anguſtior…
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