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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 23, page id 1677894601:0195
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=195
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23
Wrhiteness. And this whitenels, it the Water ras very
tenacious and well. tempered, vould Aonly spread and
dilate it selF orer the oreater part ot the Bubble; con-
einually gromine paler at the cop, irhere at lensth it
rould crack in manr places, and those cracks, as ther
dilated, rould appear ot a prettr eood, but y et obseure
and dark sky-colour; the itite betreen the blue Spots
diministrins, until it resembled the threds ot an irre
sular Net-Work, and soon alter vanistred and lett aI
the upper parE OF the BubblC oF the Paid darte blue
ColOur. And this ColOur, atter the atorelaid manner,
dilated it selE dornivards, until sometimes it hath
Oversoread the Wrhole Bubble. In the mean wrhile at
the cop, Wrhich was ot a darkeer blue than the bottom,
and appeared alto tuil ot manz round blue Spots, lome-
ching darker than the rest, there ould emerse one
Or more very black Spots, and richin chole other SpOtS
OF an incenser blackness, wrhich I mentioned in the
Former Obserration; and these continually dilated
themlelres until the Bubble Broke.
TF EHC WVater WaS NOE verr cenacious the Black SpOtS
rouid break Forth in the irhite, without auy sentible
intervention ot the blue. And Lometimes ther mouild
break Forth rithin the precedent vellou, or red, Or
perhraps rithin the blue ot the second order, betore
the intermediate Colours had time to displar them-
Telves.
By this description vou may perceire hou great an
affinier these Colours hare rith those ot Air descri-
bed in the Fourth Obserration, although set donn in
a contrary order, by reason that ther begin to appear
artien the Butoble is thickest, and are most conre
niently