Newton, Isaac, Philosophia naturalis principia mathematica, 1713

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                <p type="main">
                  <s>
                    <pb xlink:href="039/01/360.jpg" pagenum="332"/>
                    <arrow.to.target n="note340"/>
                  eoque pacto rarius ſemper evadens e regione intervallorum ac
                    <lb/>
                  denſius e regione pulſuum, participabit eorundem motum. </s>
                  <s>Et
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                  quoniam pulſuum progreſſivus motus oritur a perpetua relaxa­
                    <lb/>
                  tione partium denſiorum verſus antecedentia intervalla rariora;
                    <lb/>
                  & pulſus eadem fere celeritate ſeſe in Medii partes quieſcentes
                    <lb/>
                    <emph type="italics"/>
                  KL, NO
                    <emph.end type="italics"/>
                  hinc inde relaxare debent; pulſus illi eadem fere cele­
                    <lb/>
                  ritate ſeſe dilatabunt undiQ.E.I. ſpatia immota
                    <emph type="italics"/>
                  KL, NO,
                    <emph.end type="italics"/>
                  qua
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                  propagantur directe a centro
                    <emph type="italics"/>
                  A
                    <emph.end type="italics"/>
                  ; adeoque ſpatium totum
                    <emph type="italics"/>
                  KLON
                    <emph.end type="italics"/>
                    <lb/>
                  occupabunt.
                    <emph type="italics"/>
                  Q.E.D.
                    <emph.end type="italics"/>
                  Hoc experimur in Sonis, qui vel monte
                    <lb/>
                  interpoſito audiuntur, vel in cubiculum per feneſtram admiſſi ſeſe
                    <lb/>
                  in omnes cubiculi partes dilatant, inque angulis omnibus audiun­
                    <lb/>
                  tur, non tam reflexi a parietibus oppoſitis, quam a feneſtra directe
                    <lb/>
                  propagati, quantum ex ſenſu judicare licet. </s>
                </p>
                <p type="margin">
                  <s>
                    <margin.target id="note340"/>
                  DE MOTU
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                  CORPORUM</s>
                  <figure id="id.039.01.360.1.jpg" xlink:href="039/01/360/1.jpg" number="194"/>
                </p>
                <p type="main">
                  <s>
                    <emph type="italics"/>
                  Cas.
                    <emph.end type="italics"/>
                  3. Ponamus denique quod motus cujuſcunque generis
                    <lb/>
                  propagetur ab
                    <emph type="italics"/>
                  A
                    <emph.end type="italics"/>
                  per foramen
                    <emph type="italics"/>
                  BC
                    <emph.end type="italics"/>
                  : & quoniam propagatio iſta
                    <lb/>
                  non fit, niſi quatenus partes Medii centro
                    <emph type="italics"/>
                  A
                    <emph.end type="italics"/>
                  propiores urgent
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                  commoventque partes ulteriores; & partes quæ urgentur fluidæ
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                  ſunt, ideoque recedunt quaquaverſum in regiones ubi minus pre-</s>
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