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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              <pb o="146" file="0160" n="160" rhead="DISSERTATIO"/>
            tum dextrorſum, ſupra eundem polum Magnetis, eadem omnino
              <lb/>
            phænomena tam quoad directionem, quam Puncta Conſequentia,
              <lb/>
            obſervantur, quæ in Experimento præcedenti.</s>
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        <div xml:id="echoid-div115" type="section" level="1" n="115">
          <head xml:id="echoid-head124" xml:space="preserve">EXPERIMENTUM XCIII.</head>
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            <s xml:id="echoid-s3620" xml:space="preserve">Omni vi Magnetica in igne ex Verſorio præcedentium Experi-
              <lb/>
            mentorum expulſa, nihilominus id inter refrigerandum vim directri-
              <lb/>
            cem acquiſiverat, quâ cuſpide dirigebatur Boream verſus, cauda
              <lb/>
            Auſtrum verſus, uti fuſius in Cap. </s>
            <s xml:id="echoid-s3621" xml:space="preserve">5. </s>
            <s xml:id="echoid-s3622" xml:space="preserve">demonſtrabo: </s>
            <s xml:id="echoid-s3623" xml:space="preserve">nunc autem Verſo-
              <lb/>
            rium modo in extremitate polarem vim oſtendebat, ipſi admoto altero
              <lb/>
            Verſorio, ſed nulla Puncta Conſequentia in intermedia parte: </s>
            <s xml:id="echoid-s3624" xml:space="preserve">cu-
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            ſpide Verſorii Borea applicata polo Magnetis Auſtrali, affricabatur
              <lb/>
            hoc a cuſpide medium verſus, ducta tamen modo ſupra Ma-
              <lb/>
            gnetem ad {1/4} totius ſuæ longitudinis partem: </s>
            <s xml:id="echoid-s3625" xml:space="preserve">ubi avulſum fuit â la-
              <lb/>
            pide, cuſpis Borea manſit Borea, torpida tamen in ipſâ regnante vi
              <lb/>
            directrice; </s>
            <s xml:id="echoid-s3626" xml:space="preserve">ſed accurate ad Meridianum reducente Acum: </s>
            <s xml:id="echoid-s3627" xml:space="preserve">Alterius
              <lb/>
            Verſorii cuſpis Borea, retenta prope cuſpidem Boream hujus, attrahe-
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            bat polum Boreum: </s>
            <s xml:id="echoid-s3628" xml:space="preserve">attamen in diſtantia 1 {1/2} pollicum ab extremo regna-
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            bat vis repellens, tum iterum vis attrahens dabatur uſque ad cuſpidem
              <lb/>
            Auſtralem, adeo ut ambo extrema Verſorii attracta fuerint a cuſpi-
              <lb/>
            de Borea alterius Verſorii.</s>
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            <s xml:id="echoid-s3630" xml:space="preserve">2. </s>
            <s xml:id="echoid-s3631" xml:space="preserve">Tum affrictus Verſorii productus fuit ab extremo Boreo uſque
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            ad medium, vel centrum, ſuper eodem polo Magnetis, Verſorium
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            ſtylo impoſitum convertebatur, parte nempe Auſtrali directa Bo-
              <lb/>
            ream verſus, & </s>
            <s xml:id="echoid-s3632" xml:space="preserve">Borea Auſtrum verſus, utraque extremitas attra-
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            hebatur ab alterius Verſorii cuſpide Borea prope illas poſita, nam
              <lb/>
            ab uno extremo ad longitudinem 4 pollicum circiter fiebat attractio,
              <lb/>
            ad longitudinem 4 pollicum abhinc adeoque ultra centrum Verſorii,
              <lb/>
            exercebatur repulſio, abhincuſque ad oppoſitum extremum regnabat
              <lb/>
            iterum vis attrahens: </s>
            <s xml:id="echoid-s3633" xml:space="preserve">ſed alterius Verſorii cuſpis, polo Auſtrali ſpectan-
              <lb/>
            te Verſorii, quod examinatur, cuſpidem Boream, hanc Boream repelle-
              <lb/>
            bat, regnante repulſione ad diſtantiam 4 pollicum ab apice, hinc uſque
              <lb/>
            ad medium erat indifferentia, ſive nec attractio, nec repulſio; </s>
            <s xml:id="echoid-s3634" xml:space="preserve">a me-
              <lb/>
            dio apicem oppoſitum verſus in longitudine 2 pollicum exercebatur
              <lb/>
            attractio, hinc uſque ad extremum iterum repulſio dabatur. </s>
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