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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 34, page id 1677894601:0044
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=44
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 36 lines, status machine
# Lines: 36 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.
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turcher when wich Crcen, and Further when wich Blewr, and
50 yec turcher oH when illuminated rich Indigo, and tur-
chest wrhen rich decp Violet.. Which plainly Chews, chat
che Liohes oE several Colours are more and more Retran-
sible one than anocher, in chis order oE cheir Colours, RCd,
Orange, Tello, Crcen, Blewr, Indiso, decp Violec; and
(0 prores 25 ell che tirst Propolition as the second.
I caused allo che coloured SpectrumS P Y and MIW
made in a dark Chamber by che Retractions ot emo Prilms
to lre in a rixhe Line end eo end, 25 ras delcribed above
in che fitch Experimene, and rieming chem chrouoh a chird
Prilm held Parallet co cheir lenoth, cher appeared no longer
in a riphe Line, bur became broken trom one another, 25
ther are represented at pt and mn, the riolet end m of che
Spectrum mn being by a greater Retraction translated
Furcher From ies former place MI. Tchanthe red end t oF che.
Other Spectrum pt.
Fio. 20. Iturcher caused chole cuo Spectrums P T and IN tO
become co.incident in an inverted order ot cheir Colours,
che red end ot cach Falling on the violet end ot the ocher;
25 cher are reprelented in the oblons Figure P TMIN;
and ehen rieminq chem chronoh a Prilm D) HI held P’aral-
sel cocheir lenoh, chey appcared noc co- incident as when
viered wich che nakced Ere, buc in che form et evo di-
Rinet. Spectrums pF and mn crostns one anocher in che
middle atter the manner ot che lecter Z. Which CheWVS
chac the red ot che one spectrum and violet ot che orher,
erhich ivere co. incident ac P N and VIY, beins parted
trom one anocher by a greater Retraction oF the violet tO
p and m chan ot the red co n and t, do differ in degrees ot
Retrangibilier.
lilluminated also a licele circular piece of white P’aper
all over rich che Liglus ot boch Prilms incermixed, and
Whem
F1g. 17.