Ibn-al-Haitam, al-Hasan Ibn-al-Hasan; Witelo; Risner, Friedrich, Opticae thesavrvs Alhazeni Arabis libri septem, nunc primùm editi. Eivsdem liber De Crepvscvlis & Nubium ascensionibus. Item Vitellonis Thuvringopoloni Libri X. Omnes instaurati, figuris illustrati & aucti, adiectis etiam in Alhazenum commentarijs, a Federico Risnero, 1572

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[11.] DE COMPOSITIONE OCVLI, FORMA ET SI-tu. Caput quartum. 4. Ortus & principium oculi exiſtit è cerebro: & conſtat è tribus humori-bus & quatuor tunicis. 4 p 3.
[12.] 5. In toti{us} oculi ſeu motu ſeu quiete, ſit{us} partium ſtabilis permanet. 25 p 3.
[13.] 6. Ocul{us} tot{us} & ſpher a uuea centris differunt: & oculi centrum ect alti{us}. 8 p 3.
[14.] 7. Rect a connectens centra ſphær arum corneæ & uueæ, continuata tranſit per centrum for aminis uueæ, & medium caui nerui optici. 9 p 3.
[15.] 8. Centrum ſphæræ uueæ eſt inferi{us} centris reliquarum oculi partium. 8 p 3.
[16.] 9. Recta connectẽs centra ſphærarũ cryſtallinæ & uueæ, cõtinuata cadit in centrũ circuli cõglutinãtis cryſtallinã & uitreã ſphær {as} cũ uuea: & eſt ad ipſum perpendicularis. 10 p 3.
[17.] 10. Centrum ſphæræ cryſtallinæ alti{us} eſt centro ſphæræ uitreæ. 11 p 3.
[18.] 11. Rect a connectens centra ſphær arum & uueæ, continuata cadit in centrum ui-treæ, & medium cauinerui optici. 12 p 3.
[19.] 12. Centra ſphær arum toti{us} oculi, cryſtallinæ, utriuſ ſuperficiei corneæ, & con-uexæ humoris albuginei, eſt unum punctum. 7 p 3.
[20.] 13. In toti{us} oculi ſeu motu ſeu quiete ſit{us} partium ſtabilis permanet. 25 p 3. Idem 9 n.
[21.] DE QVALITATE VISIONIS, ET AB ILLA DE-pendentibus. Cap. 5. 14. Viſio fit radijs à uiſibili extrinſec{us} ad uiſum manantib{us}. 6 p 3.
[22.] 15. Viſ{us} è ſingulis ſuæ ſuperficiei punctis ſingula uiſibilis punct a uidet. 17. 18 p 3.
[23.] 16. Humor cryſtallin{us} eſt præcipuum organum facult atis opticæ. 4. 18 p 3.
[24.] 17. Lux perpendicularis penetr at per qualibet diuerſa media: obliqua refringitur. 42. 43. 44. 45. 47 p 2.
[25.] 18. Viſio diſtincta fit rectis lineis à uiſibili ad ſuperficiem uiſ{us} perpẽdicularibus. Ita ſin-gula uiſibilis punct a eundem obtinent ſitum in ſuperficie uiſ{us}, quem in uiſibili. 17 p 3.
[26.] 19. Viſio fit per pyramidem, cui{us} uertex eſt in uiſu, baſis in uiſibili. 18. 21. 22 p 3.
[27.] 20. Oculus & ſphæra cryſtallina habent idem centrum. 7 p 3. Idem 12 n.
[28.] 21. Viſibile uiſui oppoſitum uidetur. 2 p 3.
[29.] 22. Viſibile per medium perſpicuum uidetur. 13 p 3.
[30.] 23. Viſio non fit radijs à uiſu emißis. s p 3.
[31.] 24. Viſio uidetur fieri per σ {υν}{άν}γ{δι}αμ, id eſt receptos ſimul & emiſſos radios.
[32.] 25. Viſio perſicitur, cŭ forma uiſibilis cryſtallino humore recepta, in neruũ opticum peruenerit. 20 p 3.
[33.] 26. Viſio eſt ex eorum numero, quæ dolorem faciunt. 16 p 3.
[34.] 27. Vtro uiſu una uiſibilis forma plerun uidetur. 28 p 3.
[35.] 28. Corpora perſpicua nata at apta ſunt ad recipiendum reddendum́ obiectis corporibus lucem & colorem, abſ ulla ſui mutatione. 4 p 2.
[36.] 29. Lux & color per corpor a perſpicua diſtinctè penetrant. s p 2.
[37.] 30. Humor cryſtallin{us} lucem & colorẽ aliter recipit, quàm cætera perſpicua corpora. 22 p 3.
[38.] 31. Colores uiſibilium in obiect is corporib{us} illuminantur, & obſcur antur præcipuè, pro lucis qualitate & obiectorum corporum colorib{us}. Vide 3 n.
[39.] 32. Lux uehemens trib{us} potißimùm de caußis uiſibilia quædam obſcur at. Vide 2 n.
[40.] DE OFFICIO ET VTILITATE INSTRVMEN-torum uiſus. Caput ſextum. 33. Multiplex & uaria eſt partium uiſ{us} utilit{as}: diuerſa́ ſunt ipſarum inter ipſas officìa. 4 p 3.
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1
Optic ae
ALHAZENI
libri ſeptem, nuncprimùm
editi
.
VITELLONIS
THVRINGOPOLONI
A'
Federico Risnero.
1[Figure 1]
BASILE AE,
PER
EPISCOPIOS. M D LXXII.
2[Figure 2]CIN EMATH EQUE FRANCAISEBIBLIOTHEQUE MUSEE

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