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)
Pila autem efficiuntur ex tigillis nouem pedes longis , quadrangulis , uus diquaq ; latis ſemipedem : cuiusq ; caput ferreũ ita ſe habet . Inferior eius pas longa eſt tres palmos , ſuperior totidem : inferioris partis media pars la & craſſa eſt palmũ , longa duos palmos : infima extuberat ut flat…
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