14 Vitruvius ( x . , 9 ) . “ But if the water is to be supplied to still higher places , a double “ chain of iron is made to revolve on the axis of the wheel , long enough to reach to the lower “ level . This is furnished with brazen buckets , each holding about a congius . Then by turning “ the…
e-rara · Eisenbibliothek Schlatt · No known copyright restrictions. Free to use for anything.
![An illustration from Georgii Agricolae De re metallica : libri XII. Quibus officia, instrumenta, machinae, ac omnia deni[que] ad metallicam spectantia, non modo luculentissimè describuntur, sed & per effigies, suis locis infertas, adiunctis latinis, germanicis [que] appellationibus ita ob oculos ponuntur, ut clarius tradi non possint. ; Eiusdem De animantibus subterraneis liber, (1556)](https://img.insideoutlibrary.com/img/200/ia-gri_000033125008455038-151-99.webp)
