# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/1677894601:0153 # Permalink to this reading: https://leibnizlegible.com/page/1677894601:0153?run=74 # Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193) # Folio 133, page id 1677894601:0153 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=153 # Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000153.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 32 lines, status machine # Lines: 32 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. it thac Angle become lels (luppoie by depressins the Globe to F.) there ill appear other COlours, vellorr, orcen and blue successively in the lame side ot theClobe. Butifthe Ansle be made about 50 degrees (suppose by liftins up theClobe to G)chere Wrill appear a red Colour in that side of the Clobe torrards the Sun, and it the Ansle De made sreater (suppole by littins up the Cilobe toHI) the red rill turn successively tothe other Colours Vellorr, sreen and blue. Phelame thins lhave tried by lettins a Cilobe rest, and raitins or depressins the Lye, Or otheririse movins it to make the Ansle ot a just magnitude. l have heard it represented, that it the Light oF a Candle De retracted by a Prilin to the fiyc; Wrhen the blue Colour Falls upon the Fire the Spectator MaI lec red in the Prisin, and wrhen the red Falls upon the Fye he MaIl see blue; and if this irere certain, the COlours oF the Clobe and Rain borr ousht to appear in a CON- trary order to wrhat re find. But the Colours OF the Canele beins very Faint, the mistakce leems to arile trom the difficuler oF discernins irtrat Colours FaII on the Fre. FOr, on thecontrary, Phare Lometimes had Oc cation to observe in the suns Light retracted by a Prilm, that the Spectator alivars sees that Colour in the Prilm ertrich Falls uxon his Fve. And the lame Phare Found true allo in Canele Light. For Wvhen the Prilm is mo- ved llo ly trom theline which is drawndireetly fromthe Candle to the Fye, the red appears Arst in the Prism and thentheblue, and theretore cach ot them is seen When it falls uxon the fiye. For thered pastes overthelive Rrs, and then the bluE. L. L1C.