Eaeque arbusculae ita sint temperatae, ut habeant cardines et foramina, quo vectes traiecti versationes earum expediant, uti ante et post et ad dextrum seu sinistrum latus, sive oblique ad angulos opus fuerit, ad id per arbusculas versatis progredi possint.
And these timbers are to be constructed with pivots and holes whereby levers are passed through and cause them to turn, so that the machines can move front or back, right or left, or sideways as may be necessary, by the turning of the wheels by help of the timbers.
final_alignments\Vitruvius_Architecture_Book_10.json