Newton, Isaac, Philosophia naturalis principia mathematica, 1713

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                  one perpetuo communicant, & exteriores illi eandem motus quan­
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                  titatem in alios adhuc exteriores ſimul tranſferunt, eaque actione
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                  ſervant quantitatem motus ſui plane invariatam; patet quod mo­
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                  tus perpetuo transfertur à centro ad circumferentiam Vorticis, &
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                  per infinitatem circumferentiæ abſorbetur. </s>
                  <s>Materia inter ſphæri­
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                  cas duas quaſvis ſuperficies Vortici concentricas nunquam accele­
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                  rabitur, eo quod motum omnem à materia interiore acceptum
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                  transfert ſemper in exteriorem. </s>
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                <p type="margin">
                  <s>
                    <margin.target id="note358"/>
                  DE MOTU
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                  CORPORUM</s>
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                  <s>
                    <emph type="italics"/>
                  Corol.
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                  4. Proinde ad conſervationem Vorticis conſtanter in eo­
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                  dem movendi ſtatu, requiritur principium aliquod activum, à quo
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                  globus eandem ſemper quantitatem motus accipiat, quam imprimit
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                  in materiam Vorticis. </s>
                  <s>Abſque tali principio neceſſe eſt ut globus
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                  & Vorticis partes interiores, propagantes ſemper motum ſuum in
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                  exteriores, neque novum aliquem motum recipientes, tardeſcant
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                  paulatim & in orbem agi definant. </s>
                </p>
                <p type="main">
                  <s>
                    <emph type="italics"/>
                  Corol.
                    <emph.end type="italics"/>
                  5. Si globus alter huic Vortici ad certam ab ipſius centro
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                  diſtantiam innataret, & interea circa axem inclinatione datum vi
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                  aliqua conſtanter revolveretur; hujus motu raperetur fluidum in
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                  Vorticem: & primo revolveretur hic Vortex novus & exiguus una
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                  cum globo circa centrum alterius, & interea latius ſerperet ipſius
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                  motus, & paulatim propagaretur in infinitum, ad modum Vorticis
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                  primi. </s>
                  <s>Et eadem ratione qua hujus globus raperetur motu Vorti­
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                  cis alterius, raperetur etiam globus alterius motu hujus, ſic ut
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                  globi duo circa intermedium aliquod punctum revolverentur, ſe­
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                  que mutuo ob motum illum circularem fugerent, niſi per vim
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                  aliquam cohibiti. </s>
                  <s>Poſtea ſi vires conſtanter impreſſæ, quibus
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                  globi in motibus ſuis perſeverant, ceſſarent, & omnia legibus Me­
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                  chanicis permitterentur, langueſceret paulatim motus globorum
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                  (ob rationem in Corol. </s>
                  <s>3. & 4. aſſignatam) & Vortices tandem
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                  conquieſcerent. </s>
                </p>
                <p type="main">
                  <s>
                    <emph type="italics"/>
                  Corol.
                    <emph.end type="italics"/>
                  6. Si globi plures datis in locis circum axes poſitione da­
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                  tos certis cum velocitatibus conſtanter revolverentur, fierent Vor­
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                  tices totidem in infinitum pergentes. </s>
                  <s>Nam globi ſinguli, eadem
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                  ratione qua unus aliquis motum ſuum propagat in infinitum, pro­
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                  pagabunt etiam motus ſuos in infinitum, adeo ut fluidi infiniti
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                  pars unaquæque eo agitetur motu qui ex omnium globorum acti­
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                  onibus reſultat. </s>
                  <s>Unde Vortices non definientur certis limitibus,
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                  ſed in ſe mutuo paulatim excurrent; globique per actiones Vorti­
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                  cum in ſe mutuo, perpetuo movebuntur de locis ſuis, uti in
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                  Corollario ſuperiore expoſitum eſt; neque certam quamvis inter ſe</s>
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