Newton, Isaac, Philosophia naturalis principia mathematica, 1713

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                  <s>
                    <pb xlink:href="039/01/238.jpg" pagenum="210"/>
                    <arrow.to.target n="note186"/>
                  & diviſim ut
                    <emph type="italics"/>
                  DL-FP
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                  ſeu
                    <emph type="italics"/>
                  PH-PD-FB
                    <emph.end type="italics"/>
                  ad
                    <emph type="italics"/>
                  FD
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                  ſeu
                    <emph type="italics"/>
                  FQ-QD
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                  ;
                    <lb/>
                  & compoſite ut
                    <emph type="italics"/>
                  PH-FB
                    <emph.end type="italics"/>
                  ad
                    <emph type="italics"/>
                  FQ,
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                  id eſt (ob æquales
                    <emph type="italics"/>
                  PH
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                    <lb/>
                  &
                    <emph type="italics"/>
                  CG, QS
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                  &
                    <emph type="italics"/>
                  CE)
                    <lb/>
                    <figure id="id.039.01.238.1.jpg" xlink:href="039/01/238/1.jpg" number="140"/>
                    <lb/>
                  CE+BG-FR
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                  ad
                    <lb/>
                    <emph type="italics"/>
                  CE-FS.
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                  Verum (ob
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                  proportionales
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                  BG
                    <emph.end type="italics"/>
                  ad
                    <lb/>
                    <emph type="italics"/>
                  CE
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                  & M-N ad N)
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                  eſt etiam
                    <emph type="italics"/>
                  CE+BG
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                  ad
                    <lb/>
                    <emph type="italics"/>
                  CE
                    <emph.end type="italics"/>
                  ut M ad N: adeoque
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                  diviſim
                    <emph type="italics"/>
                  FR
                    <emph.end type="italics"/>
                  ad
                    <emph type="italics"/>
                  FS
                    <emph.end type="italics"/>
                  ut
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                  M ad N, & propterea per
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                  Corol. </s>
                  <s>2. Prop. </s>
                  <s>XCVII,
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                  ſuperficies
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                  EF
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                  cogit cor­
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                  pus, in ipſam ſecundum lineam
                    <emph type="italics"/>
                  DF
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                  incidens, pergere in linea
                    <emph type="italics"/>
                  FR
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                    <lb/>
                  ad locum
                    <emph type="italics"/>
                  B.
                    <expan abbr="q.">que</expan>
                  E. D.
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                  </s>
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                <p type="margin">
                  <s>
                    <margin.target id="note186"/>
                  DE MOTU
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                  CORPORUM</s>
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                <p type="main">
                  <s>
                    <emph type="center"/>
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                  Scholium.
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                    <emph.end type="center"/>
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                  <s>Eadem methodo pergere liceret ad ſuperficies tres vel plures. </s>
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                  Ad uſus autem Opticos maxime accommodatæ ſunt figuræ Sphæ­
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                  ricæ. </s>
                  <s>Si Perſpicillorum vitra Objectiva ex vitris duobus Sphæri­
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                  ce figuratis & Aquam inter ſe claudentibus conflentur; fieri poteſt
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                  ut a refractionibus Aquæ errores refractionum, quæ fiunt in vitro­
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                  rum ſuperficiebus extremis, ſatis accurate corrigantur. </s>
                  <s>Talia au­
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                  tem vitra Objectiva vitris Ellipticis & Hyperbolicis præferenda
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                  ſunt, non ſolum quod facilius & accuratius formari poſſint, ſed
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                  etiam quod Penicillos radiorum extra axem vitri ſitos accurativs
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                  refringant. </s>
                  <s>Verum tamen diverſa diverſorum radiorum Refrangi­
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                  bilitas impedimento eſt, quo minus Optica per Figuras vel Sphæ­
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                  ricas vel alias quaſcunque perfici poſſit. </s>
                  <s>Niſi corrigi poſſint er­
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                  rores illinc oriundi, labor omnis in cæteris corrigendis imperite
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                  collocabitur. </s>
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