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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 14, page id 1677894601:0024
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=24
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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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# After the first blank line: the recognised lines in reading order, one per line.

C
upon che Paper made an Angle wich the Paper, cqual eo
chac Anole ertrich as made wich che lame Paper by che
Liohe resected trom it to the Erc. Berond che Prism was
che W aII oF che Chamber under che Window corered over
vich black Cloch, and che Cloch was involved in Ddark-
nels thac no Lighe miohe be reRected From chence, wtrich
in passins by che edges ot che Paper ro che Erc, mighe
minole ic selF wich che Lighe of che Paper and obscure che
Phaenomenon chereot. These chinos beino thus ordered,
Y Found chac it che retractine Anole ofche Prilm be curned
upmards, (0 thac chie Paper may seem co be litced upmards
by che Retraction, ies ble halt wrill be lifced hixher by
che Retraction chan ies red halt. Bur it che retractin
Anole ot the Prism be curned domnmard, (o thac the Pa-
per may seem co be carried lorver by che Retraction, its
blem halt rill be carried Pomething lover thereby chan
its red halF. Wheretore in boch cales the Liphe whicta
comes From che ble hale ot che Paxer chrouoh the Prism
cothe Ere, docs in like Circumstances lufter a greater Re-
Fraction chan ehe Liphe inhich comes trom che red halt,
and br consequence is more retransible.
plustration. In che Elerench Figure, M N reprelents che
Windo, and D F che Paper terminaced ich parallet sides
D) andHIF, and by checransrerse Line FO distinguithed
into erro halts, che one DC ot an incenselr bler Colour
ehe Other F FOF an incenselr red. AAd BA C Cab repre-
senes ehe Prilm whose retracting Planes ABB a and A C CA
meet in che edge ot che retractins Anele A a. This edoc
Aa beins uprard, is parallel boch to che Horiron and eo
che parallel edges oF che Paper D) and HL. And dere-
prelenes che lmage oF che Paper seen by Retraction up-
mards in such manner chac che blem halt DC is carried
trigher co de chanche red half F P. is to fe, and cheretore
Custers
F1g. 11