Opticks 1717 - Up

~han~‘d td green: But that ‘greeti tias cop&d
and fomethingmore pure, deep and lively, thad
the former green. After that follow’d an ex-
&lle~lt blue of a bright Sky-coio% and then a
p@e, wh.ich was I& in quantity than the blue;
2nd mtich inclined to red;
The jixtli red was at fi& Of a very fair alld
lively Scarlet, and foon after of a brighter Colo~lr,
being +ei-y p’ure add brisk, and the beg
of all the reds. Then after a IiVely orange f&
low’d an intenfe bright and ccipious yellow,
which was allb the beit of all the )Ic~~ows, and
&is changed firit to a greenifh YCllOW, and then
to a grcenjfli blue; but the green between the
yellow and the blue, WAS very: little and dilute,
&elniiIg rtither a greeriiih wlrlte th:~n a green,
“JThe blue which f&lccceded became VCTY good,
and of a very f%l’ bright S~CY*COICYU~ j but yet
fomething inferior ta the forlrier blue; md
Triolet was inteni‘e and deep with little or
the
na:
red&s in it. And lefs in quantity than tile*
blue.
111 the Iafl red nppea’;ed i ti&utb of karkt
next to violet, which Sodn ch;xnged to a brighter
Colo~tr, inclining to an orange ; and the j~$
low which f?Alow’d ~721s tit firit pretty gdod
and lively, but afterwards it ~grew rnore dilute,
until by degrees it ended in crfe& whiten&.
And this whiten&s, if the 9 ater was very ted
nacious and well temper’d, would fldwly fpread
and dilate it feXf over the greater part of the“
1[3ubb~e ; continually growing pakr at the top,
where at length it would crack in man places,
and thok cracks, as they dilated, ~170~1 cr aypcar
of