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Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 49

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. Experimene; and chese Circles are equal eo che Circle L,
  2. and conlequenely ansirer in Magnicude ro the holef; and
  3. cheretore by diministrins chac hole chey max be ac plealure
  4. diministred, uhilst cheir Centers remain in cheir places.
  5. By chis means I made the breadth ot che Image pF eo bc
  6. Forer cimes, and Cometimes sixtr or serener times lels than
  7. ies lenoch. AsFor instance, it the breadth ot che hole F
  8. be i oF an Tuch, and MIF che distance of che Lens From
  9. the hole be 12 Fece; and it pB Or pMI che distance ot
  10. the Image pt Fromthe Prilm or Lens bC 10 Feet, and che
  11. retractins Anole ot the Prilm bc 62 dcorees, the breadch
  12. Ofche Image pF wili be= ot an tuch and the lenoch abouE
  13. SixInches, and cheretore che length eo the breadth 25 72
  14. co1, and by consequence the Lighe of this Image 71 times
  15. less componnd chan the Suns direct Lighr. And Lighe
  16. chus Far simple and Fomogencal, is sutticient For erving
  17. aIl che Experimenes in chis B00k about simple LiohE. FOr
  18. che composirion of Hlecerogeneal Rays is in this Lighe (0
  19. licele thac ic is scarce eo be dilcorered and perceired by
  20. sense, excepe perhaps in the Indiso and Violet; For thele
  21. beins dark Colours, do casilr sulter a senlible allar by chat
  22. lictle scarrering Lighe which ules to be retracte d irreoularty
  23. by che inequaliceis ofche Prilm.
  24. Tet instead ot the circular hole F, eis berrer to sybsti-
  25. cure an oblone hole Phaped like a lone Parallelogram
  26. wich ies lenoch Parallel eo the Prism ABC. For it this
  27. hole be an Tuch or ero lono, and buc a centh or erventieth
  28. part ot an lnch broad or narrover: che Lighe oF chelmage
  29. PF Wrill be 25 Simple as betore or simpler, and che Image
  30. Will become much broader, and cheretore more Ac to have
  31. Experiments cried in ies Liohe than betore.
  32. Instead oF this Parallelopram hole may be substicured a
  33. Friangular one ot equal Sides, whose Base For instance is
  34. abOut

Cite

Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 49. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0059?run=74