Coagmenta autem eorum calce viva ex oleo subacta sunt inlinienda, et in declinationibus libramenti ventris lapis est ex saxo rubro in ipso geniculo conlocandus isque perterebratus, uti ex decursu tubulus novissimus in lapide coagmentetur et primus ex librati ventris; ad eundem modum adversum clivum et novissimus librati ventris in cavo saxi rubri haereat et primus expressionis ad eundem modum coagmentetur.
The joints are to be coated with quicklime worked up with oil. At the descents to the bend, a block of red stone is to be placed at the actual elbow, and pierced so that the last pipe on the incline, and the first from the level of the bend, may be jointed in the stone. In the same way uphill: the last from the level of the bend, and the first of the ascent, are to be jointed in the same way in the hollow of the red stone.
final_alignments\Vitruvius_Architecture_Book_8.json