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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 89, page id 1677894601:0109
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89)
chrough Prisins neither less distinct, nor ottermise co-
loured, than wrhen riemed rith the nakced Ryes. Pheir
Colours ere not in the least changed by the retraction
et the interpoled Prism. I EpeaK here oE a senible
chanoe oF C OIOUE: Por the LishE which I here calt hO-
mogeneal, Deins not absolutelr homogeneal, there ouoht
to arise lome litele chanse ot Colour trom its heteroge-
neitr. But if that heterogeneitr wras (o little as it might
Demade, by the laid Experiments of the tourth PropO-
lition, that chanse ras not sensible, and theretore, in
fixperiments irhere sense is judse, ought to be accoun.
ted none aC aII.
E Z P E R. VI.
And as thele Colours ivere not chanseable by retra-
ctions, lo neither vere ther by resexions. For aII
irhite, srer, red. vellor, sreen, bluc, violet Bodies, 45
Paver, ACes, red L ead, Orpiment, Indico, Bisc, Grola,
Silver, Copper, Cirase, blue Florvers, Violets, Bubbles
ot Water tinged rith rarious Colours, Peacocks Fea-
thers, the tincture ot Fionum Nephriticum, and Tuch
like, in red homogeneal Light appeared totally red, in
blue Light totallr blue, in green Light totally orcen,
and (0OF other COlours. In the homogeneal Lightot
ot an Colour ther all appeared totally ot that lame
Colour, with this onlr ditterence, that some ot them
reflected that Lighe more Aronsly, others more Faintly.
lnever vet tound any Body irhich by reflectins homo-
veneal Lishe could sensibly chanse its C olOur.
FTOL