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Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 7

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: 0.93.

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The machine reads it as

  1. this Fourth Circuit there was neither riolet, blue, nor
  2. vellorr, and the red vas verr impertect and dirtr.
  3. AICO the Succcedins C olours became more and more iim-
  4. perfect and dilute, tiII AFTCF THECC OE FOUF RevoluTiONS
  5. cher ended in pertect irhitenels. Pheir Form, Wrhenthc
  6. Glastes ere most compresed (0 a5 to make the black
  7. Spot appear in the Center, is delineated in the Second
  8. LIBUTC; Where a, b,C, d, e: f, 8, h, i, k: l, M, nn 0, P: 9, r: F15. 2.
  9. 5, t: V, X: y denote the Colours reckned in order trom
  10. the center, Black, blue, irhite, vellorr, red: violet,
  11. blue, srcen, relloir, red: purple, blue, sreen, vello,
  12. red: green, red: sreenittr blue, red: greenittr blue,
  13. Pale red: greenitt blue, reddittr erhite.
  14. OBS. V.
  15. To determine the interral oF che Glases, Or thick
  16. nels oF the interjacent Air, by erhich cach Colour was
  17. produced, I meatured the Diameters ot the APA AX
  18. Rings at the most lucid part ot their Orbits, and squa-
  19. rins them, I Found their Squares to be in the Arith-
  20. metical Progression ot the odd NumBCES, L. 3. 5. 7. 9. TI.
  21. AndAnce one et these GElasses ras Plain and the other
  22. Spherical, their Interrals at thole Rings must be in the
  23. Pame Progrestion. I measured also the Diameters ot
  24. the dark or Faint Rings Becreen the more lucid Co-
  25. lours, and Found their Squares eo be in the Arithme
  26. tical Progression of the eren NUMBeES, 2. 4. 6, 8, 10, 12.
  27. And it beinq very nice and difficule to take these mea-
  28. Tures exactly; P repeated them at dirers times at dirers
  29. Parts oF the Glasses, that by their AOrcement I mioHE
  30. be contirmed in them. And the tame Method I used in
  31. deter-

Cite

Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 7. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0179?run=74