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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 44, page id 1677894601:0216
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=216
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another will De augmented by remorins the Prisin
Ail Further From the Object. Cilasses: And these litele
Ares must be distinctest and irhitest at their middle, and
at their ends, wrtiere ther begin to grom contuled they
must De coloured. And the Colours at one end ot
erery Arc must be in a contrary order tothose at the
other end, by reason that ther crols in the interme.
diate rrhite; namely their ends, irhich verge torrards
XE, WWill De red and vellOu on TMat SIde ACXE FHCC en-
ter, and blue and riolet on the ottier side. But their
other ends wrhich verse Prom YE will on the contrary
De blue and riolet on that side torrards the C enter, and
on the ottier Eide red and vellorr.
Nor as all these things Follon From the Properties
OF Light by a mathematical ay ot reasonins, (0 the
truth ot them may be manifested by Fxperiments. For
in a darke room; by vierine these Rings throush a
Prism, by rellexion of the sereral prilmatique C Olours,
ertrich an assistant causes to more to and Fro upon à
Waii or Paper From Wrhence they are reftected, ivhils
the Spectators Fve the Prilin and the Object-GElactes
(a5 in the r3th Oblerration) are placed Reddr: the
position ot the Cireles made successirely by the severat
Colours, vill be found such, in respeet et one another,
25 I hare described in the Figures ab∞V OE aDZ V
Ox a BEY. And Dy the same nethod the Fruth ot
the Fixplications oF other Oplerrations may De exa-
mined.
By wtiat hath been Paid che like Phrenomina oF
Nater, and thin plates of Cilass may be understood.
But in (mall Fragments olttiole plates, there is this
Further