Antonii Deusingii ... De vero systemate mundi dissertatio mathematica : quâ Copernici systema mundi reformatur : sublatis interim infinitis penè orbibus, quibus in systemate Ptolemaico humana mens distrahitur (1643)
SysTEMATE MuUNDL 75 … do iterum recta RH 9, parallela recte LN; fed & HQ parallela eft rectz N E, quare anguli QQR. & EN zquales: at angulus QHR fub- tendit arcum , QR , quem centrum Epicycli per Deferen- tem orbi Planetz zqualem ultra femicirculum confeciffe. . videtur; angulus veró ENL fubtendit arcum EL, quem 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 Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-214-129.webp)
![An illustration from Perspective cilindriqve et coniqve; ov, Traicte' des apparences veuës par le moyen des miroirs cilindriques & côniques, soient conuexes ou concaues; ensemble la construction & position des figures obiectées au [sic] mesmes miroirs, afin que leurs apparences soient conformes à la volonté (1630)](https://img.insideoutlibrary.com/img/200/ia-perspectivecilin00vaul-44-10.webp)
