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Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 38

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: 0.91.

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The machine reads it as

  1. cted by ic eo Fall attermards upon a Pheec ot white Paper
  2. placed ac lome distance behind ic, and chere by chat RC-
  3. Fraction eo paine the usual Colours of the Prism. And
  4. then causine the Arst Prism eo be curned about ies Aris 2S
  5. abore, loblerred char when chose Rays irtrich in chis Prism
  6. had suftered the grearest Retraction and appeared ot a ble
  7. and violet Colour began to be cotallr reflected, the blen
  8. and violet Liohe on ehe Paper erhich as most retracted
  9. in che second Prism receired a sensible increale above chac
  10. oF the red and vellon, irtich was least retracted; and
  11. afcermards wrhen che rest of che Lighe which as orcen.
  12. vellor and red besan eo be cocallr reflected in he Arst
  13. Prilm, che lighe of chose Colours on che Paper receired as
  14. rrent an increale a5 the riolet and bler had done betore.
  15. Whence eis manifest, chac che beam ot Liohe refected by
  16. che Base oF che Prism, beins auomented Arst by che more
  17. Retrangible Rars and afcermards by che less Retrangible
  18. ones, is componnded ot Rars differeney Retrangible.
  19. And chac aIl such refected Lighe is of che Came Nature
  20. wich ehe suns Liohe, betore ies Incidence on che Bale ot
  21. che Prilm, no Man erer doubced: ic beins generally al-
  22. lored, thar Liphe by such Reflexions Cufters no Alceration
  23. in ies Modifications and Propercies. I do noc here take
  24. notice ot any Retractions made in the Sides of the Arst
  25. Prilm, because che Lighe enters it perpendicularty ac the
  26. Tirst Side, and goes ouc perpendicularty ac che second Side,
  27. and cheretore suHers nonc. S0 then, che Suns incident
  28. Liohe beins ot che lame cemper and consticution wich his
  29. emersent Lighe, and che last beins compounded of Rays
  30. differently Retrangible, che tirst must be in like manner
  31. compounded.
  32. Illustration. In the 2Ith Fignre, A B C is the First Prilm,
  33. BC is Base, B and C its equal Angles ac che Bale, cach
  34. O
  35. 5. 21.

Cite

Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 38. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0048?run=74