4a dae 0 OO IREREERKTONES c1: 7" "'Tuuabitautem iftam fpeculationem figura 28. prop. Ballifticz, in qua B A fit impetus, quo fiat proie&io tam femire&a AL 3o. quàm horizontalis B N, qua producet parabolam B L D, genitri- cem conoidis przdi&i , cuius fuperficiem omnes proie&iones ex À,cum éodem… … Nam per idem punc&um D tam femirectz proiedio À L, hoc eft AHD, quàm BLD,tranfibit; & horizontalis focuserit A pun-. &um , cüm quarta pars lateris re&i BA fit fübdupla ordinata A D. Erit etiam hzc figura,lapides, aut iacula manu, vel fundá ia- cientibus, in eo przfertim commoda , quód ex…
Astronomy -- Early works to 1800 · Physics -- Early works to 1800
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
![An illustration from Mundus subterraneus, in XII libros digestus : qvo divinum subterrestris mundi opificium, mira ergasteriorum naturae in eo distributio, verbo [pantamorphon] Protei regnum, universae denique naturae majestas & divitiae summa rerum varietate exponuntur, abditorum effectuum causae acri indagine inquistae demonstrantur, cognitae per artis & naturae conjugium ad humanae vitae necessarium usum vario experimentorum apparata, necnon novo modo & ratione applicantur. Ad Alexandrum VII. pont. opt. max. (1678)](https://img.insideoutlibrary.com/img/200/ia-mundussubterrane02kirc-57-66.webp)
![An illustration from Philippi Lansbergii Triangvlorvm geometriae libri qvatvor : in quibus novâ & perspicuâ methodo, & apodeixei [romanized], tota ipsorum triangulorum doctrina explicatur .. (1631)](https://img.insideoutlibrary.com/img/200/ia-philippilansberg00lans_1-150-0.webp)
![An illustration from L'optique divisée en trois livres : ou, l'On démontre d'une maniere aisée tout ce qui regarde 1. la propagation & les proprietez de la lumiere. 2. La vision. 3. La figure & la disposition des verres qui servent à la perfefectionner [sic] (1682)](https://img.insideoutlibrary.com/img/200/ia-loptiquedivise00ango-77-8.webp)
