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I<br />
the fame difque of the Sun 7 do in the third<br />
Experjment illuininate ; of all which and innumerable<br />
other intermediate ones lyirrg in a<br />
continual Series between the tWo rectilinear<br />
and parallel edges of the Sun’s oblong Im-tage<br />
P ‘I?, that Imyge is compokd as was explained<br />
in the fifth E.,xpcriment. And let “x7 b ,4, c i,<br />
dk, e Z, fm be fo iiiany lefs Circles lying in a I<br />
like continual Series bctwecn t-x!0 parallel right<br />
Lines nfand grn with the fatne dittanccs bctwecn<br />
their centers, and illuminated by the<br />
fitme forts of Rays, that is the Circle ng with<br />
the clme fort by which the correfponding Circle<br />
A G was illntninated, and the Circle b b<br />
with. the fame fort by which the correfponding<br />
Circle I3 I3 was illuminated, and the relt of the<br />
Circles c& dk, e Z, f m refpe6tively, with the<br />
fame forts of Rays by which the feveral correfponding<br />
Circles CJ, D I together with other innumerable<br />
,forts of intermediate Rays, are mixed at QR<br />
in the middle of the Circle I3 EI. And the like<br />
mixture happens throughout almoit the whole<br />
length of the Figure P T; But in the Figure<br />
P’S compofed of the lefs Circles, the three lcf’s<br />
‘Circles n , b h, c’& w&h anfwer to thofe three<br />
greater, 5 o not extend into one another; nor<br />
dare there any where min4ed ,fo much as an<br />
two of the three forts of hays by which tho ? c<br />
.<br />
E.4 ’ Circles
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