Fabrica et vsvs : instrvmenti ad horologiorvm descriptionem peropportvni : accessit ratio describendarvm horarum a meridie & media nocte exquisitissima, & nunquam ante hac in lucem edita (1586)
Clavius, Christoph, 1538-1612 · Romae : Apud Bartholomaeum Grassium · leaf 114
i®<J a 0 liOLO G t ii A … Deus in horologio Achax in figuum fanitatis recopcfandx Exechi» rcSi exhibuit, aduerfarijaut rcpugnarc,ex fcquuntur^^liquicio conflabit. SIT Horizon A B CD, Meridianus A E C, Semicirculus Horizontis oriea talis A B C , & occidentalis A D C : ^EquatorB BD ,,fecans Meridianum in E, parallelus Solis…
Sundials
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
