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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 51, page id 1677894601:0061
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=61
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 31 lines, status machine
# Lines: 31 recognised, mean confidence 0.90
# 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.

S+
Elasses, ane not such as is ulually vrouohe wich PTY,
Whereby che cdees oF che Sandholes beins worn awar,
there are lete all orer the Clals a numberlels companr ot
very licele Conrex police rilines likce Wares. The edges
allo ot che Prilm and Lens (0 tar a5 cher may maktce any
irregular Refraction, must be corered ith a black Paper
olemed on. And all che Liphe of the sunsbeam let into
the Chamber irtich is useless and inproticable ro thC FXs
perimene, ouohe cobe incercepced ich black Paper Or Ocher
black Obstacles. For ochermise che uselels Liphe beins
refected erery iay in che Chamber, ill mix wich che
oblons spectrum and help eo disturb ic. In erying chele
chines so much Diligence is noc altogether neceltary, but
ic ill promote che succels of che Experiments, and by 2
very scrupulous Examiner ot thines déserres to be applicd.
ses difficule eo set slals Prilms sic For ehis purpole, and
and cheretore lused Cometimes Prilmatick Vetsels made
wich pieces ot broken Looking. glasses, and filled wich rain
NaceT. And eo increase che Retraction, ICometimes im-
pregnaced che W acer Aronsly rich Saccharum Saturni.
PROP. V. THCOT. IV.
FTomozeneal Lieht is refracted recularte mithout any Dilatation
splittins or satterine of thé Rays, and the confused Vision
of Objects seen throuch Refractinz Bodies by Fheterogeneal
Lieht arises from che different Refrangibility of several sorts
of Ray5.
IHIE Ars ParE oF ehis Proposicion has been alreads
sufticieney prored in che fitch Experimene, and will
furcher appear by che Experimenes whichi tollon.
Lipeto a