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Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 54

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. C54
  2. Retranoibiliey, as is manifest by che sch, 6ch, 7ch, 8th,
  3. and oth Experimenes. And chose which che Arst cime ac
  4. like incidences arc equally retracted, arc 2rain at like In-
  5. cidences equallr and uniformly retracted, and chac whe-
  6. cher cher be retracted betore cher be separaced From one
  7. anothier as in the sth Experiment, or Wwhecher ther be re-
  8. Fracted apare, as in the 12ch, 13th and 1ath Experiments.
  9. The Retraction cheretore oF every Ray apare is regular,
  10. and wtrac Rule chac Retraction oblerres e are nOW
  11. Eo TheW.
  12. The lace Vricers in Opricks ceach, chac the Sines oF In-
  13. cidence are in a oiven Proportion co che Sines ot Retra-
  14. ction, 25 was explained in the sch Axiom; and lome by
  15. Instrumenes Aicced For measurine Retractions, or ochermise
  16. experimentally examinins chis Proportion, do acquaine us
  17. ehat ther hare Found ic accurate. Buc Whils cher, nOc
  18. understanding che different Retransibilier of several RayS,
  19. conceired chem all ro bc retracted accordine to one and
  20. che lame Proporrion, eis co be prelumed thac cher adapred
  21. their Mealures only co the middle ot the retracted Lighe;
  22. (o thac trom cheir Measures e may conclude only chac
  23. che Rays irhich hare a mean deoree of Retrangibilier.
  24. thac is chose irhich when separaced trom che rest appear
  25. orcen, are retracted accordins to a siren Proportion ot
  26. cheir Sines. And cheretore we are no co Phew rhac phe
  27. like siren Proportions obtain in all che rest. Thac il
  28. Thould be (o is very realonable, Nature being ever contor-
  29. mable to her selF: buc an experimental Proot is delired.
  30. And such a ProoF will be had it we can Phew thac che
  31. Sines ot Retraction ot Rars differenely Retransible are
  32. one to anocher in a giren Proportion irten cheir sines ot
  33. Incidence are equal. For il the sines oF Retraction oF aII
  34. che Raysare in giren Proportions tothe sine of Retraction

Cite

Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 54. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0064?run=74