F:regulaenim ex D per F tranfiensabícin- detin limbo arcum G H , qui erit quantitas | anguli EF D, Eclipticz cum verticali. Angu- ^ € lus autem Ecliptice cum finitore. ( vt obiter hocaddam) cognofcetur,fi ex Djin Ejnumeres arcum fini- toris; & ex D; in E, altitudinemSolis:ficenimarcus GH, erit… … ET in pla.
Astronomy -- Early works to 1800
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
![An illustration from Les mechaniqves de Galilée ... : avec plvsievrs additions rares, & nouuelles, vtiles aux architectes, ingenieurs, fonteniers, philosophes, & artisans / traduites de l'italien par L.P. M[arin] M[ersenne] (1634)](https://img.insideoutlibrary.com/img/200/ia-lesmechaniqvesde00gali-49-0.webp)
