Opvscvlvm de lineis rectis aeqvidistantibvs et non aeqvidistantibus (1603)
Cataldi, Pietro Antonio, approximately 1548-1626 · Bononiae : Apud Haeredes Ioannis Rolsij · leaf 83
33 S Ir quecumque datarü abcd, equidiftans propofite p, Di- citur ipfas effe ad inuicem zquidiftantes ; Nam pofita ad libi- tum vna recta perpendiculari ad propofitam , & hac producatur … licetre&a a, cuicunque aliarum, fimiliter b, cuicunque aliarum, &fic c» ad d, &adquaícunque alias re&as equidiftantes recte p» propofitz. 153 $^; PROBLEMA. PROPOSITIO XV. 4 dato punéío ducere veitam equidiff antem ad prapofitam rectarn, gue uon fit ip direifum cum mpfo puncto daro , fcilicet talis…
Parallels (Geometry)
Internet Archive · Wellcome Library · Public domain (published before 1931). Free to use for anything.
![An illustration from The geomancie / of Maister Christopher Cattan Gentleman. A booke, no lesse pleasant and recreatiue, then of a wittie inuention, to knovve all thinges, past, present, and to come. Whereunto is annexed the wheele of Pythagoras. Translated out of French into our English tongue [by Francis Sparry]. (1591)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b30337860-213-2.webp)
