Musschenbroek, Petrus van, Physicae experimentales, et geometricae de magnete, tuborum capillarium vitreorumque speculorum attractione, magnitudine terrae, cohaerentia corporum firmorum dissertationes: ut et ephemerides meteorologicae ultraiectinae

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            <s xml:id="echoid-s54" xml:space="preserve">Doctrinam de Corporum firmitate etiam modo incepi, in
              <lb/>
            qua difficili materia longe plura reſtant, natura hic occul-
              <lb/>
            tante aut involvente cum aliis plurima. </s>
            <s xml:id="echoid-s55" xml:space="preserve">Quamobrem magni
              <lb/>
            atque præſtantes viri ſubinde aliquid humani in ea pertractan-
              <lb/>
            da paſſi ſunt, quod me non parum ſollicitum reddidit, haud
              <lb/>
            adeo magnifice de me ipſo ſentientem, quin cum iis in ſco-
              <lb/>
            pulos hos alioſve quandoque impegerim. </s>
            <s xml:id="echoid-s56" xml:space="preserve">Scrupulos auxerunt
              <lb/>
            tentaminum eventus, ſæpe adeo intricati, ut vel Alexandri
              <lb/>
            gladio opus eſſet, ſæpe quoque non parum ab aliorum obſer-
              <lb/>
            vatis abludentes, quod repetitis & </s>
            <s xml:id="echoid-s57" xml:space="preserve">ſæpe iiſdem Experi-
              <lb/>
            mentis occaſionem dedit. </s>
            <s xml:id="echoid-s58" xml:space="preserve">Hæc in uſum tironum ſunt con-
              <lb/>
            ſcripta, ut Experimenta, quorum maximam partem in Thea-
              <lb/>
            tro Academico demonſtratam viderunt, melius in memoriam
              <lb/>
            revocarent.</s>
            <s xml:id="echoid-s59" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s60" xml:space="preserve">Adjunguntur binæ Diſſertationes de Attractionibus Tubo-
              <lb/>
            rum Capillarium vitreorum, atque planorum ſpeculorum. </s>
            <s xml:id="echoid-s61" xml:space="preserve">Non
              <lb/>
            dubito fore pleroſque, qui Attractionis voce offendantur,
              <lb/>
            eamque contemnant, derideant, explodant: </s>
            <s xml:id="echoid-s62" xml:space="preserve">his autem ſi tanta
              <lb/>
            ſit animi æquitas, ut ſuſpenſo præjudicio Experimenta prius
              <lb/>
            legant, & </s>
            <s xml:id="echoid-s63" xml:space="preserve">inter ſe comparent; </s>
            <s xml:id="echoid-s64" xml:space="preserve">tum cauſam eorum eruere co-
              <lb/>
            nantibus facile apparebit, propter quasnam rationes hac voce
              <lb/>
            uſi fuimus. </s>
            <s xml:id="echoid-s65" xml:space="preserve">Hi ſciant præterea, Philoſophos, qui manum
              <lb/>
            operi admovendo, ſtrenue corpora explorarunt, multiſque
              <lb/>
            ſubjecerunt periculis, ſemper obſervaſſe & </s>
            <s xml:id="echoid-s66" xml:space="preserve">confeſſos fuiſſe in
              <lb/>
            Natura aliquid dari, quo corpora abſque externo cognito
              <lb/>
            impulſu ad ſe accederent; </s>
            <s xml:id="echoid-s67" xml:space="preserve">quod tamen rejectum perpetuo & </s>
            <s xml:id="echoid-s68" xml:space="preserve">
              <lb/>
            exploſum ab iis magiſtris, qui meditabundi tantum in
              <lb/>
            Muſeo ſedentes, cum ſuis opinionibus & </s>
            <s xml:id="echoid-s69" xml:space="preserve">hypotheſibus </s>
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