Newton, Isaac, Philosophia naturalis principia mathematica, 1713

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                <p type="main">
                  <s>
                    <emph type="center"/>
                  PHÆNOMENA.
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                  LIBER
                    <lb/>
                  TERTIUS.</s>
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                <p type="main">
                  <s>
                    <emph type="center"/>
                  PHÆNOMENON I.
                    <emph.end type="center"/>
                  </s>
                </p>
                <p type="main">
                  <s>
                    <emph type="italics"/>
                  Planetas Circumjoviales, radiis ad centrum Jovis ductis, areas
                    <lb/>
                  deſcribere temporibus proportionales, eorumque tempora periodica
                    <lb/>
                  eſſe in ratione ſeſquiplicata diſtantiarum ab ipſius centro.
                    <emph.end type="italics"/>
                  </s>
                </p>
                <p type="main">
                  <s>COnſtat ex obſervationibus Aſtronomicis. </s>
                  <s>Orbes horum Pla­
                    <lb/>
                  netarum non differunt ſenſibiliter a circulis Jovi concentri­
                    <lb/>
                  cis, & motus eorum in his circulis uniformes deprehenduntur. </s>
                  <s>
                    <lb/>
                  Tempora vero periodica eſſe in ſeſquiplicata ratione ſemidiame­
                    <lb/>
                  trorum Orbium conſentiunt Aſtronomi; & idem ex Tabula ſe­
                    <lb/>
                  quente manifeſtum eſt.
                    <lb/>
                    <emph type="italics"/>
                  Satellitum Jovialium tempora periodica.
                    <emph.end type="italics"/>
                    <lb/>
                    <arrow.to.target n="table5"/>
                    <arrow.to.target n="table6"/>
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                <table>
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                    <cell>1
                      <emph type="sup"/>
                    d
                      <emph.end type="sup"/>
                    .18
                      <emph type="sup"/>
                    h
                      <emph.end type="sup"/>
                    .27′.34″.</cell>
                    <cell>3
                      <emph type="sup"/>
                    d
                      <emph.end type="sup"/>
                    .13
                      <emph type="sup"/>
                    h
                      <emph.end type="sup"/>
                    .13′.42″.</cell>
                    <cell>7
                      <emph type="sup"/>
                    d
                      <emph.end type="sup"/>
                    .3
                      <emph type="sup"/>
                    h
                      <emph.end type="sup"/>
                    .42′.36″.</cell>
                    <cell>16
                      <emph type="sup"/>
                    d
                      <emph.end type="sup"/>
                    .16
                      <emph type="sup"/>
                    h
                      <emph.end type="sup"/>
                    .32′.9″.</cell>
                  </row>
                </table>
                <table>
                  <row>
                    <cell>
                      <emph type="italics"/>
                    Diſtantiæ Satellitum a centro Jovis.
                      <emph.end type="italics"/>
                      <lb/>
                    </cell>
                  </row>
                  <row>
                    <cell>
                      <emph type="italics"/>
                    Ex obſervationibus
                      <emph.end type="italics"/>
                    </cell>
                    <cell>1</cell>
                    <cell>2</cell>
                    <cell>3</cell>
                    <cell>4</cell>
                    <cell/>
                  </row>
                  <row>
                    <cell>Borelli</cell>
                    <cell>5 2/3</cell>
                    <cell>8 2/3</cell>
                    <cell>14</cell>
                    <cell>24 2/3</cell>
                    <cell>Semidiam.
                      <lb/>
                    Jovis</cell>
                  </row>
                  <row>
                    <cell>Townlei
                      <emph type="italics"/>
                    per Microm.
                      <emph.end type="italics"/>
                    </cell>
                    <cell>5,52</cell>
                    <cell>8,78</cell>
                    <cell>13,47</cell>
                    <cell>24,72</cell>
                  </row>
                  <row>
                    <cell>Caſſini
                      <emph type="italics"/>
                    per Teleſcop.
                      <emph.end type="italics"/>
                    </cell>
                    <cell>5</cell>
                    <cell>8</cell>
                    <cell>13</cell>
                    <cell>23</cell>
                  </row>
                  <row>
                    <cell>Caſſini
                      <emph type="italics"/>
                    per Eclipſ. Satell.
                      <emph.end type="italics"/>
                    </cell>
                    <cell>5 2/3</cell>
                    <cell>9</cell>
                    <cell>(14 23/60)</cell>
                    <cell>(25 1/10)</cell>
                  </row>
                  <row>
                    <cell>
                      <emph type="italics"/>
                    Ex temporibus periodicis.
                      <emph.end type="italics"/>
                    </cell>
                    <cell>5,667</cell>
                    <cell>9,017</cell>
                    <cell>14,384</cell>
                    <cell>25,299</cell>
                  </row>
                </table>
                <table>
                  <table.target id="table6"/>
                  <row>
                    <cell>
                      <emph type="italics"/>
                    Satellitum Jovialium tempora periodica.
                      <emph.end type="italics"/>
                      <lb/>
                    </cell>
                  </row>
                </table>
                <p type="main">
                  <s>
                    <emph type="center"/>
                  PHÆNOMENON II.
                    <emph.end type="center"/>
                  </s>
                </p>
                <p type="main">
                  <s>
                    <emph type="italics"/>
                  Planetas Circumſaturnios, radiis ad Saturnum ductis, areas deſcri­
                    <lb/>
                  bere temporibus proportionales, & eorum tempora periodica
                    <lb/>
                  eſſe in ratione ſeſquiplicata diſtantiarum ab ipſius centro.
                    <emph.end type="italics"/>
                  </s>
                </p>
                <p type="main">
                  <s>
                    <emph type="italics"/>
                  Caſſinus
                    <emph.end type="italics"/>
                  utique ex obſervationibus ſuis diſtantias eorum a centro
                    <lb/>
                  Saturni & periodica tempora hujuſmodi eſſe ſtatuit. </s>
                </p>
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