# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/1677894601:0063 # Permalink to this reading: https://leibnizlegible.com/page/1677894601:0063?run=74 # Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193) # Folio 53, page id 1677894601:0063 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=63 # Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000063.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 31 lines, status machine # Lines: 31 recognised, mean confidence 0.93 # 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. contusedly detined, (o chat Lcould noc distinguiltr cheir smat ler Pares trom onc anocher. I placed also che L etters oF a lmall Princ one while in che Hlomogencal Lighe and chen in che Heterogencal, ana riemins chem chrouoh a Prilm, cher appeared in the larrer case (0 contuled and indistinct chac L could noc read chem; buc in che former they ap- Peared (0 distinct chac l could read readily, and choughe L.Cam chem as distinct a5 irhen I viered chem wich ny naked Ere. In boch cases I ricred che lame Objects chrouoh che lame Prism ac che lame distance trom me and in che lame Sicuation. There ras no difference buc in the Lighe by irhich che Objects iere illuminated, and ertich in onc case mas simple and in che ocher Compound, and cheretore che distinet Vision in che former case and contu- sed in che lacter conld arise trom noching elle chan trom chac difference ot che Lighes. Which prores che wrhole Propolirion. And in chele chree Experiments ic is Further verr remar- hable, chac che Colour ot Homogeneal Lighe ras nerer chansed by che Retraction. DROP. VI. THCOT. V The Sine of. Incidence of every Ray considered apart, is to ils Sine of. Refraction in a siven Ratio. ITI A Y every Ray considered apare is constant to it Celt in Pome certain derree ot Retrangibilier, is Cufticienely manifest out of wrhat has been Caid. Thole Rays which in che Arst Retraction are ac equal Incidences most retracted, arc also in che follomine Retractions at equal Incidences most retracted; and (0 oF che least R e- trangible, and che rest which hare auy mean degree ot Retran-