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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 35, page id 1677894601:0045
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=45
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 34 lines, status machine
# Lines: 34 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.
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wrhen ic was illuminated wich the red ot one spectrum and
decp violet oF che other, (0 as by the mixture of thole
Colours to appear all over purple, I riered che Paper,
first ac a less distance, and then ac a oreater, chrouon a
chird Prilm; and as I ene from che Paper, che retracted
lnage chereot became more and more dirided by che un-
equal Retraction of che euo mixed Colours, and ac lenoth
parted into ruo dictinet Images, a red onc and a riolet onc,
Whereot che violer as furthest from che Paper, and there-
fore Cuffered che prearest Retraction. And irhen thac Prilm
ac the Windon which cast the violet on the Paper WaS ta-
Len avay, che violet Image disappeared; but when the ocher
Prism ras calcen avar che red ranistred: wrhich Phews chac
thele evo Tmages ivere noching else chan che Lighes ot che
eiro Prilms rhich had been intermired on che purple Pa-
Per, buc ivere parted again by their unequal Refractions
made in the chird Prism chrouph wtrich che PapeF WaS
vierred. This also ras obserrable chac it one of the
Prisins at che Windor, suppose thac ihich cast che violet
On ChC PapeF, WaS Furned abOVE iEs AXis eo malce aII che
Colours in this order, Violet, Indigo, Blew, Orcen, Vel-
loir, Oranse, Red, Fall successirelr on the Paper from chat
Prilm, che violet lmase changed Colour accordinely, anc
in changins Colour came nearer co the red onc, uneil irhien
ic ras also red cher boch became tully coincident.
Iplaced allo erro paper circles very near one anocher,
che one in che red Liehe ot onc Prism, and che ocher in
the violet Liohe ot che ocher. The circles vere cach ot
ehem an Tuch in Diamecer, and behind chem che WV aII Was
dark chac the Fxperimene miphe noc be disturbed by any
Liohe coming trom chence. These circles chus illuminared,
lriemed chrouoh a Prism P0 held chac che Retraction miohe
bemade corrards che red circle, and as I wene from them
chey