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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 144, page id 1677894601:0164
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=164
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sition oF thatBeam. Thus, For instance, Cinnaber illumi-
nated by this Beam appears of the lame red Colour as in
Daylight; and it at ihe Lens rou intercept the green-
makins and blue makins raps, its redness will become
more tuIl and livelr: But it rou there intercepe the red
makins cars, it rill noc anr longer appear red, but be-
come vellor or sreen, or ot Lome other COlOur, ACcOr
dins to the lorts ot cars Which vou do not intercept.
50 Giold in this LiohE Z Y appears oF the Came velton
Colour as in Dar-liehe, but by interceptins at the L ens a
duc quantier of the vellon-makine cays it rill appeai
Wrtrite like Silver (a5 l hare erved) ertich Mews that its
vellornessariles trom the excels ot the intercepted rays
ringing that whiteness rith their Colour Wrhen ther are
let pa(5. So the intution oF Fionum Nephriticum (a5 l
trare allotrred) wrhen held in enis Beam OF LioHEX Y,
looks blue by the reflected part ot the Lighe, and vellon
by chetransinitted part ot it, as when tisviemed in Day-
lioht, but if rou interceptthe blue at the. Lens the infir
tion irill lose its refected blue Colour, Wrhil its tran-
mitted red remains pertect and br the loss ofsome blue
mmakins cars whererith it was allared becomes more in-
tense and FuII. And, on thecontrary, if the red and orange
makins rays De intercepted at Pens, the infusion vii
lole ies transmitted red, whilR its blue vrill remain and
become more Full and perfect. Which Cers, that the in-
fution does not tinge the rarsrith blue and vellorr, but
ouly transinit those most copioully wrhich rvere red- ma-
king betore, and reflects thole molt copiouslr irhich vere
blue makino betore. And alter the lame manner may the
reaIons oF other Phaenomena be examined, by eryins
ehem in this artificial Beam oF LishtXL.
V