Newton, Isaac, Philosophia naturalis principia mathematica, 1713

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                  <s>
                    <pb xlink:href="039/01/515.jpg" pagenum="484"/>
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                  & Planetarum, ſine virtutis diminutione; quæque agit non pro
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                  quantitate
                    <emph type="italics"/>
                  ſuperficierum
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                  particularum in quas agit (ut ſolent cauſæ
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                  Mechanicæ,) ſed pro quantitate materiæ
                    <emph type="italics"/>
                  ſolidæ
                    <emph.end type="italics"/>
                  ; & cujus actio in
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                  immenſas diſtantias undique extenditur, decreſcendo ſemper in
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                  duplicata ratione diſtantiarum. </s>
                  <s>Gravitas in Solem componitur
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                  ex gravitatibus in ſingulas Solis particulas, & recedendo a Sole
                    <lb/>
                  decreſcit accurate in duplicata ratione diſtantiarum ad uſque or­
                    <lb/>
                  bem Saturni, ut ex quiete Apheliorum Planetarum manifeſtum eſt,
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                  & ad uſque ultima Cometarum Aphelia, ſi modo Aphelia illa
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                  quieſcant. </s>
                  <s>Rationem vero harum Gravitatis proprietatum ex
                    <lb/>
                  Phænomenis nondum potui deducere, & Hypotheſes non ſingo. </s>
                  <s>
                    <lb/>
                  Quicquid enim ex Phænomenis non deducitur,
                    <emph type="italics"/>
                  Hypotheſis
                    <emph.end type="italics"/>
                  vo­
                    <lb/>
                  canda eſt; & Hypotheſes ſeu Metaphyſicæ, ſeu Phyſicæ, ſeu Qua­
                    <lb/>
                  litatum occultarum, ſeu Mechanicæ, in
                    <emph type="italics"/>
                  Philoſophia Experimentali
                    <emph.end type="italics"/>
                    <lb/>
                  locum non habent. </s>
                  <s>In hac Philoſophia Propoſitiones deducun­
                    <lb/>
                  tur ex Phænomenis, & redduntur generales per Inductionem. </s>
                  <s>Sie
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                  impenetrabilitas, mobilitas, & impetus corporum & leges motuum
                    <lb/>
                  & gravitatis innotuerunt. </s>
                  <s>Et ſatis eſt quod Gravitas revera ex­
                    <lb/>
                  iſtat, & agat ſecundum leges a nobis expoſitas, & ad corporum
                    <lb/>
                  cæleſtium & maris noſtri motus omnes ſufficiat. </s>
                </p>
                <p type="margin">
                  <s>
                    <margin.target id="note513"/>
                  DE MUNDI
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                  SYSTEMATE</s>
                </p>
                <p type="main">
                  <s>Adjicere jam liceret nonnulla de Spiritu quodam ſubtiliſſimo cor­
                    <lb/>
                  pora craſſa pervadente, & in iiſdem latente; cujus vi & actionibus
                    <lb/>
                  particulæ corporum ad minimas diſtantias ſe mutuo attrahunt,
                    <lb/>
                  & contiguæ factæ cohærent; & corpora Electrica agunt ad di­
                    <lb/>
                  ſtantias majores, tam repellendo quam attrahendo corpuſcula vi­
                    <lb/>
                  cina; & Lux emittitur, reflectitur, refringitur, inflectitur, & cor­
                    <lb/>
                  pora calefacit; & Senſatio omnis excitatur, & membra Anima­
                    <lb/>
                  lium ad voluntatem moventur, vibrationibus ſcilicet hujus Spiri­
                    <lb/>
                  tus per ſolida nervorum capillamenta ab externis ſenſuum orga­
                    <lb/>
                  nis ad cerebrum & a cerebro in muſculos propagatis. </s>
                  <s>Sed hæc
                    <lb/>
                  paucis exponi non poſſunt; neque adeſt ſufficiens copia Experi­
                    <lb/>
                  mentorum, quibus leges actionum hujus Spiritus accurate deter­
                    <lb/>
                  minari & monſtrari debent. </s>
                </p>
                <p type="main">
                  <s>
                    <emph type="center"/>
                    <emph type="italics"/>
                  FINIS.
                    <emph.end type="italics"/>
                    <emph.end type="center"/>
                  </s>
                </p>
              </subchap2>
            </subchap1>
          </chap>
        </body>
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