Sin autem magis altis locis erit praebendum, in eiusdem rotae axe involuta duplex ferrea catena demissaque ad imum libramentum conlocabitur, habens situlos pendentes aereos congiales.
But if a supply is required at a still greater height, a double iron chain is made to revolve on the axle of the same wheel and let down to the lower level, with bronze buckets suspended to the chain, each holding 3 quarts.
final_alignments\Vitruvius_Architecture_Book_10.json