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-s581" xml:space="preserve">
              <pb o="23" file="0037" n="37" rhead="DE MAGNETE."/>
            menta reliqua abludere a conſtanti proportione quacunque ope cal-
              <lb/>
            culi detegenda in diſtantiis aliis.</s>
            <s xml:id="echoid-s582" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s583" xml:space="preserve">Atque hoc idem eſt quod Nobiliſſimus Taylor adnotavit, con-
              <lb/>
            cludendo ex ſuis Experimentis, vires Magneticas non reſpondere di-
              <lb/>
            ſtantiis, ſed proportiones magis decreſcere in diſtantiis majoribus,
              <lb/>
            quam in minoribus. </s>
            <s xml:id="echoid-s584" xml:space="preserve">Quod ex omnibus noſtris quoque Experimen-
              <lb/>
            tis colligi poteſt. </s>
            <s xml:id="echoid-s585" xml:space="preserve">Verum Philoſophus addidit, in ſuis Experi-
              <lb/>
            mentis cum duabus acubus factis, ad diſtantiam 2 {1/2} pollicum, vires
              <lb/>
            nondum mutari ut quadrata diſtantiarum, & </s>
            <s xml:id="echoid-s586" xml:space="preserve">ad 10 pollices, vires
              <lb/>
            plus mutari, quam ſunt Cubi diſtantiarum, cum exponens eſſet æ-
              <lb/>
            qualis 3 {1/4}. </s>
            <s xml:id="echoid-s587" xml:space="preserve">Vid. </s>
            <s xml:id="echoid-s588" xml:space="preserve">Philoſ. </s>
            <s xml:id="echoid-s589" xml:space="preserve">Tranſ. </s>
            <s xml:id="echoid-s590" xml:space="preserve">No. </s>
            <s xml:id="echoid-s591" xml:space="preserve">368. </s>
            <s xml:id="echoid-s592" xml:space="preserve">p. </s>
            <s xml:id="echoid-s593" xml:space="preserve">204.</s>
            <s xml:id="echoid-s594" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s595" xml:space="preserve">Addiſcimus tamen ex omnibus his V. </s>
            <s xml:id="echoid-s596" xml:space="preserve">Experimentis, (1) Actiones
              <lb/>
            duorum Magnetum non ſieri in quacunque diſtantia a ſe mutuo, ſed
              <lb/>
            diſtantiam Actionis eorum eſſe determinatam, nam in Experimento
              <lb/>
            IV. </s>
            <s xml:id="echoid-s597" xml:space="preserve">non extenditur ad 10 pollices, in Experimento V. </s>
            <s xml:id="echoid-s598" xml:space="preserve">non extendi-
              <lb/>
            tur ad 19 pollices, ſaltem mobiliſſima Libra nullum ſignum Actionis
              <lb/>
            mutuæ Magnetum in ſe invicem edidit; </s>
            <s xml:id="echoid-s599" xml:space="preserve">unde ſi ex Experimentis tan-
              <lb/>
            tum ratiocinabor, non poſſum concludere Actiones Magnetum ſe
              <lb/>
            ad maximas diffundere diſtantias: </s>
            <s xml:id="echoid-s600" xml:space="preserve">fateor tamen ex aliis Experimentis
              <lb/>
            cum verſoriis mobiliſſimis conſtare, Magnetes agere in hæc ad multo
              <lb/>
            majores diſtantias, quam ope hujus methodi oſtendi poſſit, quia
              <lb/>
            cum multo minori attritu verſorium ſupra ſuam cuſpidem, quam Li-
              <lb/>
            bra ſupra axin vertitur: </s>
            <s xml:id="echoid-s601" xml:space="preserve">ſed nihilominus idem colligere licebit ex
              <lb/>
            Actione Magnetis in verſoria, quia hæc ad multorum pedum di-
              <lb/>
            ſtantiam a Magnete non moventur, quippe nunquam deprehendi ad
              <lb/>
            majorem diſtantiam exporrectam fuiſſe vim, quam ad 14 pedes Rhe-
              <lb/>
            nolandicos, quando præſtantiſſimum verſorio 6 pollicum opponebam
              <lb/>
            Magnetem.</s>
            <s xml:id="echoid-s602" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s603" xml:space="preserve">(2) Quod ſi comparemus hæc V. </s>
            <s xml:id="echoid-s604" xml:space="preserve">Experimenta inter ſe, tum
              <lb/>
            obſervari poteſt Vim omnium Magnetum non exporrigi ad ean-
              <lb/>
            dem diſtantiam, ſed ab his ad majorem, ab aliis ad minorem, nam
              <lb/>
            in Experimento V. </s>
            <s xml:id="echoid-s605" xml:space="preserve">exporrigebatur ad 18 pollices, in Experimento
              <lb/>
            IV. </s>
            <s xml:id="echoid-s606" xml:space="preserve">ad 9 pollices, in tertio ad 13 pollices, in ſecundo Experimento
              <lb/>
            ad 12 pollices. </s>
            <s xml:id="echoid-s607" xml:space="preserve">Imo habui Magnetem magnum, cujus vis ſenſibilis
              <lb/>
            adhuc erat ad diſtantiam 11 pedum, imo aliquando ad 14.</s>
            <s xml:id="echoid-s608" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s609" xml:space="preserve">(3) Præterea cum obſervamus vires Magnetum attractrices in </s>
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