# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/1677894601:0247 # Permalink to this reading: https://leibnizlegible.com/page/1677894601:0247?run=74 # Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193) # Folio 71, page id 1677894601:0247 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=247 # Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000247.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 31 lines, status machine # Lines: 31 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. Bodtes, exceptine that V E ous a fractmore thanotbers of this same densty sulphat cous oddies re- are verus. eartu proportionat to ihe densities of the same L et AB represent the retractins plane TuxFaCC OF any Gody, and Lea sus ccense ters nglels uxon the Body in C, 50 that che Anele AC I may be intinitely licele, and let C. R bethe retracted ray. From a given point B perpendicular to the retractins surtace crect BR mectinq with the retracted rar C R in R, and it C. R revresent the motion of the retracted rar, and this motion be distinguisted into trro motions C. B and BR, Wrhereot C B is a parallet to the retracting plane, and BR perpendicular to it: C. B Mall reprelent the motion OF the incident rar, and BR the motion generated by the retraction, a5 Opticians have ot late explained. Nou il any body or thins in morins throueh any pace oF a siving breadth terminated on both sides by tiro parallet plains, be urged formard in all parts ot that space by forces tendins directly Formards torrards the last plain, and betore its incidence on the Ars plane, had no motion Forards it, or but an infinicly litele one; and it the Forces in aII parts ofthat space, betireen the planes be at equal distances trom the planes equal to one another, but at several dictances bebisger Or lels in any siven proxortion, the motion generated Oy the forces in therhole passage oE the body or chins chrous