# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/1677894601:0304 # Permalink to this reading: https://leibnizlegible.com/page/1677894601:0304?run=74 # Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193) # Folio 128, page id 1677894601:0304 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=304 # Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000304.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 33 lines, status machine # Lines: 33 recognised, mean confidence 0.91 # 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. the Aneles AC.D, BC F equal to one anotter, and terminatins allthe Lisht whith FaIlS upon the Paper From the pointrrhere the edoes of the Rniresincet; eis, FKL, and sIr, three lyperbolical lines representinq the ter- minus oFthe Pador ot one ot the Rnires, the dark linc betreen the tirst and second tringes oFthat Madour, and the dark line betreen the second and third Fringes ot the lame Mador; Zip, Vkg and 2lr, thrce other IIY. perbolical lines reprelentinq the terminus of the Padon OF thc other Knite, the dark line betveen the Ars and second Fringes ot that Cador, and the dark line be- treen the second and third Fringes ot the lame Padon. And conceire that these three AIyperbolas are like and equal to the Forimer threc, and crossthem in the points ig k and l, and that the Phadtors oFthe Rniresare termi- nated and distinguistred From the Airst luminous fringes by the lines cis and xip, until the inectins and crol- lins ofthe fringes, and then those lines crols thefringes in theform oF dark lines, terminatins the Airst luminous Frinses within side, and distinguistuns them from ano- ther Lisht wrhich begins to appear at i, and illuminates allthe triangular space ipD Ls comprehended by thelc dark lines, and the risht line DH. OF thele Hy. Perbolas one ACmptoteis the line DF, and their other AEymptotes are paralel to the lines C. A and C. B. T et er reprelent a line dramn ans erhere upon the l’aper Parallel tothe ACymptote DF, and let this line crols therisht lines AC. in m and BC. in n, and the sIX dark lrperbolical lines in P, G Y; S, t V; and by meaturins the distances pc, qt, PV, and thence collectinq the the lenoctis oF the ordinates nP, HG, HF OF MS, ME, mr and doins chis at sereral distances ot the line PV, FrOm