# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/1677894601:0129 # Permalink to this reading: https://leibnizlegible.com/page/1677894601:0129?run=74 # Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193) # Folio 109, page id 1677894601:0129 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=129 # Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000129.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 34 lines, status machine # Lines: 34 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. 109 This Experiment succceds al(o, a5 Phare tryed, Wrhen he Ansle b of thelover Prilm, is a lictle greater than the Ansle B oE the apper, and betrreen the interior Angles B and c, there intercedes lome (pace BC, 25 15 reprelented in the Pioure, and the retractino planes BC. and DC, are neither in directum, nor parallet to one another. For there is nothins more requisite t0 che success oF this Experiment, than that the rays oF aII lorts mar be unitormly mixed upon the P’aper in the place PT. IF the most retransible raus comins from thesuperior Prim takce up all thespace trom. M toP, the rars ot the Came Cort irhich come tiom the interior Prilm ouoht to begin at P, and take up all the rest ofthe SpaCOFrom thence torards N. TE the least retransible rars comine trom the superior Prisin take up the (pacC T, the rars of the sainc kind irtrich come from the Other Prilim ought tobegin at P, and take ux theremain- ins Space TN. TEone lort ot the rars rhich hare in- termediate degrees ot retransibilitr, and come trom the Cuperior Prilm De extended chroughthe (pace MIO, and nother FOrt ot those rars throuoh. the (PACC MIR, aud a thisd Cort of them through the space MS, the lame Corts oE rays comins tromthe louer Prilm, ousht to il- luminate the remainine spaces GN, RH, SN relpe etivelr. Audthe Came is to be understood of aIl the ottier Ports ofrars. Forthus therars ot every Port will Belcattered unitormly and erentr throuch the itole Epace AIHI, and (o beins everr irhere mixt in the lame proportion, they must erery wrhere produce the lame COlour. And theretore since by this mixture they pro- duce irhice in the exterior spaces M P and lH, ther must also produce irhite in thie interior space PI. Phis la