# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/1677894601:0301 # Permalink to this reading: https://leibnizlegible.com/page/1677894601:0301?run=74 # Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193) # Folio 125, page id 1677894601:0301 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=301 # Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000301.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 32 lines, status machine # Lines: 32 recognised, mean confidence 0.90 # Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. # Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text. # Wording rule: say "the machine reads it as …", never "Leibniz wrote". # After the first blank line: the recognised lines in reading order, one per line. 125 oF ten or stteen Feet trom the HTole, and let che Listit irhich passed betreen cheir edees Fall very obliquely uxon a (nooth white Ruler at the distance ot halF au Inch, or an Inch From the Rnires, and there law the tringes made by the tiro edses of the Rnires run alone the edoes of the Mados oF the Knires in lines parallel to thole edges without gromins sensibly bronder, till chey met in Ansles equaltothe Ansle contained by the edges ofthe UEnires, and irhere ther met and jorned ther ended wichout crossins one another. Buc it the Ruler was held at a much sreater distance from the Paper, thetringes became Lomethins bronder and broader as ther approached one another, and alter ther net thes eroned one another, and then became much broader than betore. Whence I sather that the distances ac irtrich tho Tringes pass by the Rnires are not increaled nor altered by the approuch ofthe Rnires, but the Angles in irtricti the raysare there bent are much increaled by that ap proach; and that the Knite erhich is nearest any cay determines irhich was the ras MaIl De bent, and the Other Rnite increales the bent. adi LLL When the rays fell very obliquels upon the RuIeT aC thedittance of the third part of an lnch trom the Knires; the dark line betureen the fust and second Fringe oF thC Thadoir oF one Unite, and the dark line betireen the tirst and second tringe ot the Madow of the other Rnite met rith onc another, at the distance oE the Atth part OE an Inch trom the end oE the Lishe wrhich passed be- treei