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Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 119

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.

Original at the GWLB · Page image · Annotations (IIIF) · Download text

The machine reads it as

  1. ET19
  2. Phele meatures Y took by lettine the Chactor oF thC
  3. FTair at halE a Foot distance FaII lo obliquelz on the
  4. leale as to appear tvelre times broader than rrhen it
  5. tell perpendicularir on it at the lame distance, and set-
  6. cins dorn in this Table the tweltch part ot the mea-
  7. Tures Ithentook.
  8. OBS. TV
  9. When the Badorr and Fringesrrere cast obliguely
  10. upon a (mooth rrhice Body, and that Body iras remo-
  11. ved further and surther From the Hlair, the Arst Frinse
  12. Fegan to appear and look briehter than the rest ot the
  13. Liont at the distance ot lels than a quarter oF an Inch
  14. from the Iair, and the dark line or Madour Betveen
  15. that and the lecond fringe besan to appear at a lels di-
  16. tance fromthe HTair than that oF the third part OF an
  17. Inch. The second trinse besan to appear at a distance
  18. From the Fair of lels than halean Inch, and the Madow
  19. betrreen that and the third Frinse at a distance lels than
  20. an Inch, and the third Fringe at a distance less than three
  21. Inches. At orcater distances ther became much inore
  22. sensible, but kept very nearly the Came proportion ot
  23. their breadctis and interrals erhich ther had at their Arst
  24. appearins. For the distance betreen the midale ofthe
  25. first and midale oF the second fringe, iras to the distance
  26. hetureen the middle ot the second and midale oF the
  27. third Frinse, a5 three to tWro, or ten to seven. And.
  28. the lalt ot these trro distances rras equal to the breadth
  29. OF the brighe Lighe or luminous part of the tirst Cringe.
  30. And this breadchrras to the breadth oFthe bright Ligtt
  31. oF the lecond tringe as seven to Four, and to the dark
  32. interval

Cite

Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 119. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0295?run=74