Newton, Isaac, Philosophia naturalis principia mathematica, 1713

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                <p type="main">
                  <s>
                    <pb xlink:href="039/01/132.jpg" pagenum="104"/>
                    <arrow.to.target n="note80"/>
                  atque angulum X (æquationem ſecundam) ad angulum Z (æqua­
                    <lb/>
                  tionem maximam ſecundam) ut eſt cubus ſinus anguli T ad cubum
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                  Radii. </s>
                  <s>Angulorum T, V, X vel ſummæ T+X+V, ſi angulus
                    <lb/>
                  T recto minor eſt, vel differentiæ T+X-V, ſi is recto major eſt
                    <lb/>
                  rectiſQ.E.D.obus minor, æqualem cape angulum
                    <emph type="italics"/>
                  BHP
                    <emph.end type="italics"/>
                  (motum
                    <lb/>
                  medium æquatum;) &, ſi
                    <emph type="italics"/>
                  HP
                    <emph.end type="italics"/>
                  occurrat Ellipſi in
                    <emph type="italics"/>
                  P,
                    <emph.end type="italics"/>
                  acta
                    <emph type="italics"/>
                  SP
                    <emph.end type="italics"/>
                  ab­
                    <lb/>
                  ſcindet aream
                    <emph type="italics"/>
                  BSP
                    <emph.end type="italics"/>
                  tempori proportionalem quamproxime. </s>
                  <s>Hæc
                    <lb/>
                  Praxis ſatis expedita videtur,
                    <lb/>
                    <figure id="id.039.01.132.1.jpg" xlink:href="039/01/132/1.jpg" number="79"/>
                    <lb/>
                  propterea quod angulorum per­
                    <lb/>
                  exiguorum V & X (in minutis
                    <lb/>
                  ſecundis, ſi placet, poſitorum)
                    <lb/>
                  figuras duas terſve primas in­
                    <lb/>
                  venire ſufficit. </s>
                  <s>Sed & ſatis ac­
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                  curata eſt ad Theoriam Planeta­
                    <lb/>
                  rum. </s>
                  <s>Nam in Orbe vel Martis
                    <lb/>
                  ipſius, cujus Æquatio centri ma­
                    <lb/>
                  xima eſt graduum decem, error
                    <lb/>
                  vix ſuperabit minutum unum
                    <lb/>
                  ſecundum. </s>
                  <s>Invento autem angulo motus medii æquati
                    <emph type="italics"/>
                  BHP,
                    <emph.end type="italics"/>
                  an­
                    <lb/>
                  gulus veri motus
                    <emph type="italics"/>
                  BSP
                    <emph.end type="italics"/>
                  & diſtantia
                    <emph type="italics"/>
                  SP
                    <emph.end type="italics"/>
                  in promptu ſunt per
                    <lb/>
                    <emph type="italics"/>
                  Wardi
                    <emph.end type="italics"/>
                  methodum notiſſimam. </s>
                </p>
                <p type="margin">
                  <s>
                    <margin.target id="note80"/>
                  DE MOTU
                    <lb/>
                  CORPORUM</s>
                </p>
                <p type="main">
                  <s>Hactenus de Motu corporum in lineis Curvis. </s>
                  <s>Fieri autem po­
                    <lb/>
                  teſt ut mobile recta deſcendat vel recta aſcendat, & quæ ad iſtiuſ­
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                  modi Motus ſpectant, pergo jam exponere. </s>
                </p>
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            </subchap1>
          </chap>
        </body>
      </text>
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