Orontii Finei delphinatis, liberalivm disciplinarvm professoris regii, Protomathesis : opus uarium, ac scitu non minus utile quàm iucundum, nunc primùm in lucem foeliciter emissum : cuius index uniuersalis in uersa pagina continetur (1532)
Fine, Oronce, 1494-1555 · Parisiis : Impensis Gerardi Morrhij & Ioannis Petri · leaf 160
l e contra requiret : iunefia femper confurgenti mcnfuraru numero, ea* dem perpendiculari ab infpecfiorc demiffa oculo. Quod ut clarius elucefcat,re» Exemplum cii de monftrati- petatur in exemplum altitudo G F,incidatq; per radij uifualis obferuationem per¬ one, pendiculum in latus B c,ipfum… … re ratione: fimiliterqj G H femel cotinebit I F,Sf dimidia infuper eiufdem partem. Duc
Mathematics -- Early works to 1800 · Cosmography -- Early works to 1800 · Sundials -- Early works to 1800 · Astrolabes -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Examen dv livre des Recreations mathematiqves, & de ses problemes en geometrie mechanique, optique & catoptrique [du J. Leurechon] Où sont aussi discutées & restabiles plusieurs experiences physiques y proposées (1639)](https://img.insideoutlibrary.com/img/200/ia-examendvlivredes00mydo-350-57.webp)
