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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 29, page id 1677894601:0201
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l29.
excceded not the third part ot a Circle. IF the RC
traction ras very great, or the Prilm very. distant trom
theObject-Classes, the midale part ot thole Ares BC-
came allo contused, (0 as to dilappear and constitute an
even Whitenels, Whils on cither side their ends, a5 al(o
the wrhole Ares Furthest From the center, became di-
cineter than before, appecrins in thetorm as. rou sce
ehem designed in the Atch Figure.
The ATCS, Wrhere ther secmed distinctest, vere only
erhite and black successivelr, without any other CO-
lours intermixed. But in other places there appeared
COlours, Whose order mas inverted by the retraction
in suchr manner, that it I Ars held the Prilm very near
the Object Cilasses, and then gradtuallr remored it
Turther otf torrards my Liye, the Colours of the 2d,
3d, Ath, and follorring Rings Chrunk torrards the irhite
that emeroed berreen them, until ther wholly va-
nimed into it at the midale ot the AICS, and after-
ards emersed again in a contrarr order. But at
the ends ot the Ares ther retained their order un-
changed.
I have Pometimes (0 lar d one Objcet. CTa(s upon
the other, that to the naked fire ther have all over
Feemed unitormly wrhite, without the least appearance
oF ans oF the coloured Rings; and vet by vierine
them through a Prisim, sreat multitudes ofthose Rings
hare dilcorered themselres. And in likce manner plates
oF Mulcorr-clas, and Bubbles ot Cilass blovn at a
Lamp. Furnace, irhich ivere not (othin as to exhibit
any Colours tothe naked Fiye, have throuoh the Prism
extribited a great variety ot them ranged irregui
laris ux and donn in the form oE iraves. And 10
Bubbles
18. 5