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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          <p>
            <s xml:id="echoid-s1999" xml:space="preserve">
              <pb o="83" file="0097" n="97" rhead="DE MAGNETE."/>
            luculenter probat: </s>
            <s xml:id="echoid-s2000" xml:space="preserve">verum Tinctura exſiccata plurimum Salis in ſe
              <lb/>
            habet, Sal Magnetem vehementer attrahit, efficitque, ut hu-
              <lb/>
            jus vis in ſe terminetur, nec proinde in alium Magnetem agere poſ-
              <lb/>
            ſit: </s>
            <s xml:id="echoid-s2001" xml:space="preserve">conſtanter id obtinere didici ex omnibus Experimentis, quod
              <lb/>
            nihil, præterquam Salem, vim Magnetis impedit, quo minus ad
              <lb/>
            notabilem diffundatur diſtantiam; </s>
            <s xml:id="echoid-s2002" xml:space="preserve">ſed omnis Sal, ejus virtutem co-
              <lb/>
            hibet, æque Sal Ammoniacus, quam Marinus, Gemmæ, Nitrum,
              <lb/>
            ut in ſequentibus conſtabit: </s>
            <s xml:id="echoid-s2003" xml:space="preserve">Eſt igitur ita aliquid hic admirandum
              <lb/>
            inter Salem & </s>
            <s xml:id="echoid-s2004" xml:space="preserve">Magnetem, eo prohibente aliquid, quod nec Metal-
              <lb/>
            la, Gemmæ, Lapides, Vitra, Ligna, Terræve prohibere potue-
              <lb/>
            runt.</s>
            <s xml:id="echoid-s2005" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div43" type="section" level="1" n="43">
          <head xml:id="echoid-head51" xml:space="preserve">PROCESSUS QUINTUS.</head>
          <p>
            <s xml:id="echoid-s2006" xml:space="preserve">Cum voti non factus eram compos in præcedenti operatione, ad
              <lb/>
            examen cum alio Sale me converti, verebar tamen me aliorum
              <lb/>
            ope non multum præſtiturum, cum docente conſtanti experientia,
              <lb/>
            nullum melius Sale Ammoniaco corpora aperiat, ſed a priori in Phy-
              <lb/>
            ſicis non multum concludi poteſt, & </s>
            <s xml:id="echoid-s2007" xml:space="preserve">ideo me potius cæcum opera-
              <lb/>
            torem gerere malui, quam ſubtilem ratiocinatorem, a quo vix quid-
              <lb/>
            quam, præter aliquod hypotheticum argumentum produceretur: </s>
            <s xml:id="echoid-s2008" xml:space="preserve">Ma-
              <lb/>
            gnetis in pulverem contuſi & </s>
            <s xml:id="echoid-s2009" xml:space="preserve">Salis Marini ana ℨiij. </s>
            <s xml:id="echoid-s2010" xml:space="preserve">accurate permi-
              <lb/>
            ſtas ſubtileſque immiſi crucibulo, eaſque urſi igne vehementi in
              <lb/>
            furno Anemi, ſpatio trium horarum: </s>
            <s xml:id="echoid-s2011" xml:space="preserve">coibant pulveres in maſſam
              <lb/>
            ſolidam, parietibus crucibuli valde adhærentem, nec niſi eo fracto
              <lb/>
            avellendam, maſſa colorem ex rubro nigrum accepit, inſtar colco-
              <lb/>
            taris vitrioli, quæ ubivis per totam ſuam ſubſtantiam habebat parva
              <lb/>
            puncta, ſplendentia valde, æmula partibus ferri diffracti: </s>
            <s xml:id="echoid-s2012" xml:space="preserve">hæc re-
              <lb/>
            ducta in pulverem, a Magnete, ſupra eam poſito, vehementer fuit
              <lb/>
            attracta: </s>
            <s xml:id="echoid-s2013" xml:space="preserve">quamobrem Sal marinus non eliminat ex Magnete partes
              <lb/>
            aliquas, in quibus vis reſideret, neque etiam ex illo partes ejicit
              <lb/>
            inertes.</s>
            <s xml:id="echoid-s2014" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2015" xml:space="preserve">2. </s>
            <s xml:id="echoid-s2016" xml:space="preserve">Sed hac una operatione non contentus, iterum priorem pul-
              <lb/>
            verem, jam ſemel ignis vim paſſum, miſcui cum æquali copia Sa-
              <lb/>
            lis marini atque in crucibulo aperto expoſui igni fortiſſimo in furno
              <lb/>
            reverberii ſpatio 2 {1/2} horarum, ex qua operatione prodiit maſſa </s>
          </p>
        </div>
      </text>
    </echo>
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