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

Table of Notes

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          # Exp. II.
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          Lin. # grana.
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          # Exp. 12.
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          Lin. # grana.
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          <p>
            <s xml:id="echoid-s657" xml:space="preserve">Quantum variat horum 4 laterum attractio? </s>
            <s xml:id="echoid-s658" xml:space="preserve">quod ſi Magnes ſit
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            ſubſtantia homogenea, ſi polorum axis jaceat inter ambas ſuperficies
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            parallelepipedi intermedius, an non 4 laterum attractiones deberent
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            eſſe æquales? </s>
            <s xml:id="echoid-s659" xml:space="preserve">nullam video rationem, quæ non ſtabiliret hoc ratio-
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            cinium, verum Magnes, quo in examine uſus fui, tamen ita vide-
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            batur comparatus; </s>
            <s xml:id="echoid-s660" xml:space="preserve">nam an accuratiſſime ita ſe habuerit, nullo modo
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            me determinare poſſe fateor: </s>
            <s xml:id="echoid-s661" xml:space="preserve">nihilominus obſervationes inter ſe plu-
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            rimum diſcrepant, quæ virium magnitudinem oſtendunt.</s>
            <s xml:id="echoid-s662" xml:space="preserve"/>
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          <head xml:id="echoid-head26" xml:space="preserve">EXPERIMENTUM XIII.</head>
          <p>
            <s xml:id="echoid-s663" xml:space="preserve">Magnetes ſeſe mutuo non tantum attrahunt, ſed etiam repellunt,
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            & </s>
            <s xml:id="echoid-s664" xml:space="preserve">æque ambo poli unius Magnetis ambos repellunt alterius polos;
              <lb/>
            </s>
            <s xml:id="echoid-s665" xml:space="preserve">ſunt tamen alii poli, qui ſe repellunt, quam qui ſe attrahunt: </s>
            <s xml:id="echoid-s666" xml:space="preserve">Deſiderio
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            capiebar indagandi quomodo repulſiones Magnetum eſſent comparatæ,
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            an majores, an minores forent, quam attractiones, an etiam in pro-
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            portione quadam diſtantiarum vel in inconſtanti? </s>
            <s xml:id="echoid-s667" xml:space="preserve">ponderando
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            opinabar me abunde voto potiturum juxta methodum in attractioni-
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            bus adhibitam; </s>
            <s xml:id="echoid-s668" xml:space="preserve">ea tamen diſſerentia obſervanda erat, ut cum antea
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            Lanci eſſent imponenda ponduſcula, quæ attractionibus æquipolle-
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            bant, nunc ponduſcula Magneti eſſent imponenda, ut tanto gravior
              <lb/>
            fieret, accederetque ad inferiorem Magnetem, quo plus ab ipſo re-
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            pellebatur, hoc eſt, elevabatur ſurſum.</s>
            <s xml:id="echoid-s669" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s670" xml:space="preserve">Magnetem NO majorem rotundum iterum immobilem poſui in
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            menſa; </s>
            <s xml:id="echoid-s671" xml:space="preserve">aliumque magnetem parallelepipedum (quo uſus </s>
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Impressum