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Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 60

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. Angle of Retraction, which is cheretore 53 deg. 35 min. and
  2. itS Sine 8047. These are che sines ot Incidence and RC-
  3. traction of che mean retransible Rays, and cheir proportion
  4. in roundnum bersis 201031. This Classmas oF a colourir-
  5. clininq to oreen. The last of che Prilims mentioned in the
  6. chird Lxperimene as ot clear irhice Clals. Ies retractine
  7. Angle 63: deorees. The Angle. which the CMeKGCNE R ayS
  8. concained, ich che incident 15 deg. 50 min. The Sinc ot
  9. halF che First Angle 5262. The Sine oF halt che Sume
  10. OFthe Anoles 8157. And cheir proportion in round num-
  11. bers 20 10 31 a5 betorc.
  12. From che Lensch oE che Image, ihich as about 92 Or
  13. 10Tnches, Fubduet its Breadch; Which Was 2 Inches, and
  14. the Remainder 73 Tnches vould beche lenethofche Image
  15. ivere the sun buc a pome, and cheretore subcends the An-
  16. ole irhich che most and least retransible Rays, when inci-
  17. dent on che Prism in che lame Lincs, do contain with one
  18. anocher atter cheir Emergence. Whence chis Anole is
  19. 2 deg. 0. 7. For che distance betreen che lmageand the
  20. Prilm nhere chis Angle is made, Was 18 = Feet, and ac chiac
  21. distance the Chord 7? Inches subtends an Angle ol 2 deg.
  22. 0. 7. NTow half chis Angle is che Angle wrtich chele e-
  23. mergent Rays contain ich che emergene mean retrangible
  24. RayS, and a quarter chereot, that is 30. 2. may bc ac-
  25. counted che Angle which cher rould concain irhich ehc
  26. Tame emergene mean retrangible Rays, ivere ther coninci-
  27. dene eo ehem ichin che Class and (uftered no octer Re-
  28. Fraction chen thac at their Emergence. For if erro equal
  29. Refractions, the one ac the incidence of che R WVS on the
  30. Prism, the ocher ac their Emergence, makce half the Angle
  31. 2 deg. 0. 7. then one ot thole Retractions ill make
  32. aboue a quarter ot thac Angle, and this quarter added to
  33. aA

Cite

Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 60. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0070?run=74