# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/1677894601:0025 # Permalink to this reading: https://leibnizlegible.com/page/1677894601:0025?run=74 # Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193) # Folio 15, page id 1677894601:0025 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=25 # Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000025.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 33 lines, status machine # Lines: 33 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. sutters 2 greater Retraction. IF che edge of che retractine Ansle be curned domnmard, che Image ot the P’aper vill Be retracted domnmard suppose co dc, and che bler halt. ill be retracted lover eo dr chan the red haIF is EO PE. Exper. 2. Abouc che atorelaid Paper, whose erro halts vere painced over rich red and bleu, and ihich iras siH like chin Pastboard, I lapped sereral cimes a Pender chred ot very black Silk, in such manner chac che several ParES ot che chred mixhe appear upon che Colours like lo mans black Liries dramn over chem, or like long and Pender dark Stradons cast uxon chem. I mighe hare dramn black. Lines wich a Pen, Buc che chreds vere smaller and bctter detincd. This Paper chus coloured and lined I set againct 2 Wall perpendiculartr cocheHorizon, (ochat one oFchc Colours mighe sand co che righe hand and che other to the letr. Close betore che Paper at the contine of the Co- lours belou I placed a Candle co illuminate the Paper Arongly: For the Experimene as cried in che Nighe. The Aame of che Candle reached up to the lorver edge ot che Paper, or a very licele hipher. Then ac the distance ot Six Feet and onc or ero Tnches trom che Paper upon che Floor I crected a glass Lens tour lnches and a quarter broad, which mighe collect che Rays cominq trom chc sereral Points of the Paper, and make chem conrerge to- Wards (o manr ocher Poines ac the lame distance Ot sIX Fcet and one or erro Inches on che ocher side of che Lens, and (0 form che Imaxe ot the coloured Paper upon a whice Paper placed chere; afcer che same manner thaL 2 L enS aE a hole in a Windor casts the Images of Objects abroad uxon a Sticet of whice Paper in a dark Room. The atore- Caid irhice Paper, crected perpendicular co che HOrizOn and to the Rays itich Fell uxon ic from the Lens, Imored Cometimes tomards che Lens, Pometimes From ic, to find