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# Title: [Danielis Lipstorpii Lubecensis, Specimina Philosophiae Cartesianae] Danielis Lipstorpii Lubecensis, Specimina Philosophiæ Cartesianæ (shelfmarks Leibn. Marg. 14; ZEN Leibn. Marg. 14)
# Folio 101, page id 746572255:0125
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DE AELL FIVSOVE USUI IN MTECMANTOIS.
TO1
pendicularicer incidens in circule radios luos utrimqi ae qua-
licer dispersit; actio aute oblique incidens non dispersic luos
radios, niliverlus circulicentrus lalcem si obliquicasincidentic
supponatur esse xc. graduum, qualis est in omniradio, quiin
sphaericam luperticiem ita incidie, urproductus cam non sc-
Cer (urihic in HI) diciturque ob id obliguitarem habere XC.
rad. respectu linex ex centro spharici corporis recta per
punctum contactus extra superticiem sphaericam ducta, ita
ut radius incidens tangensque illud punctum cum recta illa
linca angulum reccum Faciar: Si vero LupponaturminOE, nOn-
nulli quidem ejus actionis radii etiam in aliam partem mit-
tentur, sed aliismulco debiliores, a ideo rix sensibiles, nile
cum ilta obliquitas est ralde parra; contra aurem radii, qui
verlus centrum circuli oblique sparguntur, co lunt Forriores,
Quoilta obliquitas estmajor (Vid. Dioptrices Cap. 2. d PaTF. 3.
princip. Philol. aEr. CXZZY.) DucatUE POrrO tangCHSFD.
Dico quod radius exeremus Solis secundum hanc tangen-
cem illaplus, praecipuusnempe recta ad FI deducatur, quam-
visinmumeri alii debiliores verlus centrum L. dispergantur,
ac q sic lambens iplorum horizontem iplum diemiis atferaE,
Tublata omni creperaluce, illis autem quiin Khabitant, al-
bedinem quandam oltendat, quae iplainitium aucorae cAt. Llis
icapolitis, dico posc cum C. l. Schickar do alcirudinem vapo-
rum hoc modo cognolci. Relolvatur Friangulum rectangu-
lum LFTC, cujus duo anguli FTa L cumlatere FIL norilunE.
Pexelupponamus initium crepusculi, quando Solis cenerum
ML adhuc r9. Oradus intra hOriZ OnTem IACCE: SUBEFAHAEUE MIF.
Cemidiameter Solis, 16. min. 30. Ccc. reltabut 18. oradus 43. min.
prim. 30. lec. quae cA distancia extremi radii Solis CDF FOF
gradusintrahorizontem depresi. Ouiaigitur angulus LFIC
rectus, et licuterque cognitus est, ideo lic concludes. IItlc
habertinus torus 100000. ad lecantem angulitIL C (9. grad.
2E. mim. Prim. 45. (Cc.) 101350. Iea le haber lemidiameter
TCTrR