Descartes, René, Renati Des-Cartes principia philosophiae

Page concordance

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              bus intercepti, contactum immediatum impediunt. </s>
              <s>Si
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              autem corpus G hinc inde moveatur ſupra corpus H,
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              ſecundùm lineam rectam EF, nihil impediet quomi­
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                <arrow.to.target n="fig79"/>
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              nus immediatè ipſum tangat: ſaltem ſi utriuſque
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              ſuperficies ſint laeves & planèae; ſi autem ſint rudes &
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              inaequales, paullatim hoc ipſo motu laevigantur &
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              explanèantur. </s>
              <s>Itaque putandum eſt, calcis & cinerum
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              particulas ab invicem disjunctas, hîc exhiberi per
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              corpora B & C; particulas autem vitri ſimul junctas,
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              per corpora G & H. </s>
              <s>Atque ex hac ſolâ diverſitate,
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              quam perſpicuum eſt in illas, per vehementem & diu­
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              turnam ignis actionem, debere induci, omnes vitri
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              proprietates acquirunt. </s>
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              CXXV.
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              Quòmodo ejus particu­
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              lae ſimul jungantur. </s>
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              20</s>
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              25</s>
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              5</s>
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              10</s>
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            <figure id="fig79" number="82"/>
            <figure id="fig80" number="83"/>
            <p type="main">
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              Vitrum enim, cùm adhuc candet, liquidum eſt, quia
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              ejus particulae facilè moventur illâ ignis vi, quâ jam
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              antè fuerunt laevigatae atque inflexze. </s>
              <s>Cùm verò inci­
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              pit refrigerari, quaſlibet figuras poteſt induere. </s>
              <s>Hoc­
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              que omnibus corporibus igne liquefactis eſt com­
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              mune; dum enim adhuc liquida ſunt, ipſorum parti­
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              culae non aegrè ſe accommodant ad quaſlibet figuras,
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              &scùm poſtea frigore concreſcunt, eaſdem retinent,
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              quas ultimò induerunt. </s>
              <s>Poteſt etiam in fila capillo­
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              rum inſtar tenuia extendi, quia ejus particulae, jam
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              concreſcere incipientes, faciliùs unae ſupra alias fluunt
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              quàm ab invicem disjungantur. </s>
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