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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 108, page id 1677894601:0128
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(108
And by the Came ray oE arguins, applied to the third
tixperiment of this Book, it may be concludedu that
the irhite Colour ot all retracted Light at ies very tirs
emersence, irhere it appears as Wrhite as betore its inci.
dence, is compounded ot rarious C OlOUrS.
E. Z P F. R. ZIII.
In the foresoine Experiment the sereral interrals ol
the Teeth of the Comb dothe office oF (0 any PrIIInSq
everr interral producins the Phaenomenon oF one Prilm.
Whence instead of those interrals ulins several Prisms, l
ter dto compound irtiitenelsby mixins their C olours, and
did it by utins only chree Prilims, 25 al(0 by utins only
1c. 10. trro as Tollors. Pet trro Prilms ABC. and abC, wrhole
retractins Angles B and D are equal, DC (0 placed paralIel
toone another, that the refractinq Anole B oF the one
mar touch the Anele c at the bale oF the other, and
their planes C. B and cb, at Wrtrich the raYS emergC, inaV
Ire in directum. Lhen let the Light trajected throusl
ehem Fall upon the Paper M NV, dictant about 8 O1 12
lnches trom che Prilins. And the COlourS generated
br the interior limits B and c ot the tiro Prilms, rill
beminsled at PP, and there compound wrhite. Por il
cither Priln betaken awar, the Colours made by the
other rill appear in that place PP, and wrhen the Pritin
15 resored to its place aeain, (o that its Colours mav
there Fall uxon the Colours ol the ocher, the mixture
oF them both ill rectore the irhitenels.
L. HIId