Leibniz Legible

Machine transcription of the Leibniz Nachlass

Search the Nachlass

Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 59

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. (59
  2. 50 chen, il che ratio oF che sines of Incidence and Re-
  3. traction otany Pore of Rays be Found in any onc Cale, tis
  4. siren in all Cales; and chis mar be readily found by che
  5. Mechod in che Follorrine Propolition.
  6. PROF. VII. THCO. VI.
  7. The Perfection of Tele scopes is impeded by the different Refran-
  8. sibilitys of the Rays of Light.
  9. FTF imporfection oF Velelcopes is milgarty accri-
  10. buced co che spherical Figures oF che Glastes, and
  11. cheretore Machematicians hare propounded to Figure them
  12. by che Conical Sections. Fo Chew chat chey are milta-
  13. ken, Phare inserced this Propolition; the cruth of which
  14. will appear by che meatures oFche Retractions oF che sere-
  15. ral POres OF Rays; and chele meatures l thus determine.
  16. in che chird experiment oFche Arst BOOk, Wrhere che re-
  17. tractins Anole ot che Prism was 62 deorees, che halt ot
  18. chac Angle 31 de8. 15 min. is che Angle ot Incidence ot
  19. che Rays at cheir goins our ofche Clals inco the Air; and
  20. the sine oF this Anole is 5188, che Radius being 10000.
  21. When che Axis oF chis Prilm was parallel to che HIOrizOn,
  22. and che Retraction oF che Rays ac their Incidence on chis
  23. Prism equal to chac ac cheir Pmergence ouc of ic, l oblerred
  24. wicha Guadran the Ansle which che mean retrangible Ray5
  25. (thacis, cholewhich enero che midele otchesuns colour-
  26. ed Imase) made wich cheHorizon and by chis Angle and
  27. che suns alcicude obserred at che lame time, PFound che
  28. Angle which che emersent Rays contained wich che incidenc
  29. cobe 44 deg. and 10 min. and chehals of chis Angle ad-
  30. ded co che Angle ol Incidence 31 des. 15 min. makces che
  31. Angle

Cite

Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 59. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0069?run=74