# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/1677894601:0131 # Permalink to this reading: https://leibnizlegible.com/page/1677894601:0131?run=74 # Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193) # Folio 111, page id 1677894601:0131 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=131 # Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000131.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. LPTI chey are illuminated. Por ther become coloured By reflectins the Lighe oFtheir omn Coloursmore copioull), and chat oE all other Colours more sparinsly, and yet ther do not refect the Light ot their omn Colours (0 copiouslr as Wrhite Bodies do. IF red Lcad, Tor instance, and a Wrhice Paper, be placed in the red Lieht ot chc coloured Spectrum made in a dark Chamber by the re- Fraction oF a Prisin as is described in thethird Lperi- ment oFthe Aest B0ok; the Paper will appear more lu- cid than the red Lead, and theretore reflects the red- makine raysmore copiousr than red L. cad doth. And iFthey be held in the Light of anr other Colour, the Lishe refected by the Paper will exceed the Light re- Aected by. the red Lead in a much sreater proportion. And the likce happens in Porrders ot other Colours. And cheretore by. mixins such Porrders e are not to expect a srons and fullirhite, such as is that of Papei, but Come duster obleure one, luch as miont arise From a mixture ofliont and darknels, or From irhite and black, that 15, a srer, or dun, or russet bron, uch asare the Colours ot a Mans Nail, OF a Nouse, oF ACeS, OF OF- dinaxy Stones, OF NOrtar, OF Dust and Dirt in High raro and the like. And such a darke irhite Lhave osten produced by mixins coloured Porrders. L’or thus one part ot red Lead, and tre parts ot Viride Lris, com Posed à dun Colour like that of a Moule. Por thele erro Colours vere sererallr (o compounded oE others, that in both tosether vere a mixture oF aIl C OlOurs; and there Wras lels red Lead uled than Viride Aris, becaule oF the Fulnels oF its Colour. Again, one part ot red. Lead, and tour parts otblue Bile, compoled a dun C0- lour vergins a licile to purple, and by addins to this a certa