Newton, Isaac, Philosophia naturalis principia mathematica, 1713

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                    <pb xlink:href="039/01/388.jpg" pagenum="360"/>
                    <arrow.to.target n="note366"/>
                    <arrow.to.target n="table7"/>
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                <p type="margin">
                  <s>
                    <margin.target id="note366"/>
                  DE MUNDI
                    <lb/>
                  SYSTEMATE</s>
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                <table>
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                    <cell>
                      <emph type="italics"/>
                    Satellitum Saturniorum tempora periodica.
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                      <lb/>
                    </cell>
                  </row>
                  <row>
                    <cell>1
                      <emph type="sup"/>
                    d
                      <emph.end type="sup"/>
                    .21
                      <emph type="sup"/>
                      <emph.end type="sup"/>
                    .19′.</cell>
                    <cell>2
                      <emph type="sup"/>
                    d
                      <emph.end type="sup"/>
                    .17
                      <emph type="sup"/>
                    h
                      <emph.end type="sup"/>
                    .41′.</cell>
                    <cell>4
                      <emph type="sup"/>
                    d
                      <emph.end type="sup"/>
                    .13
                      <emph type="sup"/>
                    h
                      <emph.end type="sup"/>
                    .47′.</cell>
                    <cell>15
                      <emph type="sup"/>
                    d
                      <emph.end type="sup"/>
                    .22
                      <emph type="sup"/>
                    h
                      <emph.end type="sup"/>
                    .41′.</cell>
                    <cell>79
                      <emph type="sup"/>
                    d
                      <emph.end type="sup"/>
                    .22
                      <emph type="sup"/>
                    h
                      <emph.end type="sup"/>
                    .4′.</cell>
                  </row>
                  <row>
                    <cell>
                      <emph type="italics"/>
                    Diſtantiæ Satellitum a centro Saturni in ſemidiametris Annuli
                      <emph.end type="italics"/>
                    </cell>
                  </row>
                  <row>
                    <cell>
                      <emph type="italics"/>
                    Ex obſervationibus
                      <emph.end type="italics"/>
                    </cell>
                    <cell>(1 19/20).</cell>
                    <cell>2 1/2.</cell>
                    <cell>3 1/2.</cell>
                    <cell>8.</cell>
                    <cell>24.</cell>
                  </row>
                  <row>
                    <cell>
                      <emph type="italics"/>
                    Ex temporibus periodicis
                      <emph.end type="italics"/>
                    </cell>
                    <cell>1,95.</cell>
                    <cell>2,5.</cell>
                    <cell>3,52,</cell>
                    <cell>8,09.</cell>
                    <cell>23,71.</cell>
                  </row>
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                <p>
                  <s>PHÆNOMENON III.
                    <lb/>
                  </s>
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                <p type="main">
                  <s>
                    <emph type="italics"/>
                  Planetas quinque primarios Mercurium, Venerem, Martem, Jo­
                    <lb/>
                  vem & Saturnum Orbibus ſuis Solem cingere.
                    <emph.end type="italics"/>
                    <lb/>
                  </s>
                </p>
                <p type="main">
                  <s>Mercurium & Venerem circa Solem revolvi ex eorum phaſibus
                    <lb/>
                  lunaribus demonſtratur. </s>
                  <s>Plena facie lucentes ultra Solem ſiti ſunt,
                    <lb/>
                  dimidiata è regione Solis, falcata cis Solem; per diſcum ejus ad
                    <lb/>
                  modum macularum nonnunquam tranſeuntes. </s>
                  <s>Ex Martis quoque
                    <lb/>
                  plena facie prope Solis conjunctionem, & gibboſa in quadraturis,
                    <lb/>
                  certum eſt quod is Solem ambit. </s>
                  <s>De Jove etiam & Saturno idem
                    <lb/>
                  ex eorum phaſibus ſemper plenis demonſtratur.
                    <lb/>
                  PHÆNOMENON IV.
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                  </s>
                </p>
                <p type="main">
                  <s>
                    <emph type="italics"/>
                  Planetarum quinque primariorum, & (vel Solis circa Terram vel)
                    <lb/>
                  Terræ circa Solem tempora periodica eſſe in ratione ſeſquipli­
                    <lb/>
                  cata mediocrium diſtantiarum à Sole.
                    <emph.end type="italics"/>
                    <lb/>
                  </s>
                </p>
                <p type="main">
                  <s>Hæc à
                    <emph type="italics"/>
                  Keplero
                    <emph.end type="italics"/>
                  inventa ratio in confeſſo eſt apud omnes. </s>
                  <s>Ea­
                    <lb/>
                  dem utique ſunt tempora periodica, eædemque orbium dimen­
                    <lb/>
                  ſiones, ſive Sol circa Terram, ſive Terra circa Solem revolvatur.
                    <lb/>
                  Ac de menſura quidem temporum periodieorum convenit inter
                    <lb/>
                  Aſtronomos univerſos. </s>
                  <s>Magnitudines autem Orbium
                    <emph type="italics"/>
                  Keplerus
                    <emph.end type="italics"/>
                  &
                    <lb/>
                    <emph type="italics"/>
                  Bullialdus
                    <emph.end type="italics"/>
                  omnium diligentiſſime ex Obſervationibus determina­
                    <lb/>
                  verunt: & diſtantiæ mediocres, quæ temporibus periodicis reſpon­
                    <lb/>
                  dent, non differunt ſenſibiliter à diſtantiis quas illi invenerunt,
                    <lb/>
                  ſuntQ.E.I.ter ipſas ut plurimum intermediæ; uti in Tabula ſe­
                    <lb/>
                  quente videre licet.
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                  </s>
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