Mediumque lumen in hemisphaerio relinquatur, ex eoque clypeom aeneum catenis pendeat, per cuius reductiones et dimissiones perficietur sudationis temperatura.
In the middle of the dome a light is to be left. From this a bronze tray is hung with chains; by the raising and lowering of the tray from the opening, the sweating is adjusted.
final_alignments\Vitruvius_Architecture_Book_5.json