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Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 71

Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. Mean line confidence on this page: 0.92.

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The machine reads it as

  1. uvich its Circumterence che Diameter AC in B, and BelCCE
  2. AC in NI, and br my reckonino che dentey oF oe Liote
  3. in ary place B will be eo ies dentier in NI, a5 AB EO BC;
  4. andche wtrole Lighe wichin che locter Circle BFC, Will. be
  5. co ehe nhole Listuc richin che grCateE AFD, as the Excels ot
  6. the Square oF. AC abore che Square oF AB, is to che Square
  7. oF AC. AS iF BC be the ftch parE OF AC, the Lighue will bC
  8. tour cimes denser in Bchan in N, and chewhole Lighewich-
  9. in chelels Circle, will be corhe whole Liphe ichin che grea-
  10. Ter, a5 nine to eiveney fire. Whence ics erident chac the
  11. Lighe richin che less Circle, mustsrikce che sense much more
  12. Aronoly, chan chac Faine and dilaced lighe round about be-..
  13. cween ic and che Circumterence ot the greater.
  14. Buc its turcher eo be noced, chac che most luminous ot
  15. che prilmatick Colours are che Velloir and Oranse. Thele
  16. aftect che Senles more Arongly chanall cherest together, and
  17. nexc co chese in Arenoch are che Red and Creen. TheBluc.
  18. compared with chese is a Fainc and dark Colour, and the In-
  19. diso and Violet are much darker and fainter, (o that chele
  20. compared ith che Aronger Colours are licele to be regard.
  21. cd. Thc Images of Objects are cheretore to be placed, noc
  22. in the Locus ot che mean retrangible Rays irtrich are in chc
  23. contine of Creen and Blue, bur in che Focus ot chole Rays
  24. ertrich are in che midele of che Orange and Pelloir; chere:
  25. nhere the Colour is most luminous and fulgent, chat 15 I
  26. che brightest Vellow, chat Xello which inclines Ore tO
  27. Orange chan eo Green. And by che Retraction ot chele
  28. RaYS lnhole Sines ot Incidence and Retraction in Clals:
  29. are 25 17 and 11.) the Retraction oF Clals and Crystal For
  30. optical ules is to be mealured. Let us theretore place the
  31. lmage ot che Object in the Focus ofthese Rays, and all the
  32. Tellon and Oransc Will Fall wichin a Circle, Whole Dir
  33. mecer is abouc che 250ch parc of che Diamecer ot chie aper.
  34. TUTE

Cite

Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 71. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0081?run=74