Agricola, Georg, De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ..., 1556

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1 73[Figure 73]
Sed metallorum, quæ pura uel rudia ſunt effoſſa, quod genus ſunt argen
tum purum, aut rude plumbei uel cinerei coloris, maſſas præſides fodinarum
lapidi ſuperimpoſitas malleis quadrangulis & craſſis percutientes dilatant:
quas laminas deinde uel trunco impoſitas ferreis cuneis malleo percuſſis ſe
cant in partes: uel ferramento, forficis ſimili concidunt: eius altera chela, in
trunco immobili infixa, longa eſt pedes tres: altera, quæ metallum concidit,
ſex.
Eas autem metalli partes poſthæc excoctores in catillis ferreis calfactas
in ſecundis fornacibus excoquunt.
Metalli maſſa A. Malleus B. Cuneus C.
Truncus D. Ferramentum forfici ſimile E.

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