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="92" file="0106" n="106" rhead="DISSERTATIO"/>
            ram, quâ effuſâ, rurſuſque reſiduo aquâ, additâ, Tincturamque no-
              <lb/>
            vam elicui, id repetens, quamdiu Tinctura oriebatur.</s>
            <s xml:id="echoid-s2224" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2225" xml:space="preserve">5. </s>
            <s xml:id="echoid-s2226" xml:space="preserve">Omnes Tincturæ in vaſe commiſtæ per triduum, acquire-
              <lb/>
            bant in ſuperficie pelliculam, quæ cryſtallorum eſt ſpecies, conſta-
              <lb/>
            batque ex fibris rectiſſimis, tenuibus, ſibique perfecté parallelis:
              <lb/>
            </s>
            <s xml:id="echoid-s2227" xml:space="preserve">interim ſubſedit pulvis flaveſcens ad fundum vaſis, quem collegi,
              <lb/>
            lente & </s>
            <s xml:id="echoid-s2228" xml:space="preserve">caute prius educta aqua: </s>
            <s xml:id="echoid-s2229" xml:space="preserve">pulvis hic exſiccatus erat flavi
              <lb/>
            coloris, ſaporis ſalſi, acidi, ſed valde adſtringentis, qui nequa-
              <lb/>
            quam a Magnete attrahebatur.</s>
            <s xml:id="echoid-s2230" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2231" xml:space="preserve">6. </s>
            <s xml:id="echoid-s2232" xml:space="preserve">Alter pulvis nigreſcens, qui poſt digeſtionem & </s>
            <s xml:id="echoid-s2233" xml:space="preserve">ablutionem
              <lb/>
            cum aqua ſubſederat in §. </s>
            <s xml:id="echoid-s2234" xml:space="preserve">4, exſiccatus leniter, nullomodo ab ar-
              <lb/>
            mato Magnete attrahebatur: </s>
            <s xml:id="echoid-s2235" xml:space="preserve">Hunc itaque in crucibulo per bihorium
              <lb/>
            Igni fortiſſimo reverberii commiſi, frigefactus colorem nigrum ha-
              <lb/>
            bebat, ſed continebat parva fruſta duriſſima, quæ in Igne coalue-
              <lb/>
            rant, quaſi metallum continerent; </s>
            <s xml:id="echoid-s2236" xml:space="preserve">Totus hic pulvis a Magnete ite-
              <lb/>
            rum attrahebatur, apparebat tamen vis in initio minor, quam pul-
              <lb/>
            veris Magnetici ante actionem ullam Ignis.</s>
            <s xml:id="echoid-s2237" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2238" xml:space="preserve">Ecce Magnetem perfecte ſolubilem in menſtruo; </s>
            <s xml:id="echoid-s2239" xml:space="preserve">in quodigitur ve-
              <lb/>
            hementer operatur ſua viattrahente, cum omnis ſolutio corporum in
              <lb/>
            menſtruo ab ejuſmodi vi, reciproca inter hæc ambo, dependeat: </s>
            <s xml:id="echoid-s2240" xml:space="preserve">unde
              <lb/>
            mirum non eſt, vim Magneticam non apparere in alia corpora, quam-
              <lb/>
            diu menſtruum adeſt, quod in Magnetis partes tam vehementer ope-
              <lb/>
            ratur: </s>
            <s xml:id="echoid-s2241" xml:space="preserve">Verum menſtruo expulſo redeunt in conſpectum Vires, præ-
              <lb/>
            cipue altero Magnete appoſito.</s>
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          </p>
        </div>
        <div xml:id="echoid-div50" type="section" level="1" n="50">
          <head xml:id="echoid-head58" xml:space="preserve">PROCESSUS DUODECIMUS.</head>
          <p>
            <s xml:id="echoid-s2243" xml:space="preserve">Sumſi Spiritum Nitri more Glauberiano confectum ad ℥iij, cui
              <lb/>
            in Phiala alta immiſi ℨiij. </s>
            <s xml:id="echoid-s2244" xml:space="preserve">Magnetis in pulverem comminuti, vix
              <lb/>
            efferveſcentia oborta fuit; </s>
            <s xml:id="echoid-s2245" xml:space="preserve">digeſſi hæc ſpatio 16 dierum, eliciebatur
              <lb/>
            Tinctura, perfecte pellucida, ſpiſſa tamen, coloris ex viri-
              <lb/>
            diuſculo flaveſcentis; </s>
            <s xml:id="echoid-s2246" xml:space="preserve">remanente in fundo phialæ pulvere non ſo-
              <lb/>
            luto.</s>
            <s xml:id="echoid-s2247" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2248" xml:space="preserve">2. </s>
            <s xml:id="echoid-s2249" xml:space="preserve">Tincturam leniter effudi, pulveremque reſiduum & </s>
            <s xml:id="echoid-s2250" xml:space="preserve">non ſo-
              <lb/>
            lutum exſiccavi; </s>
            <s xml:id="echoid-s2251" xml:space="preserve">qui deinde oppoſitus polo Magnetis præſtantiſſimi,
              <lb/>
            hinc inde parte aliqua ſimulabat, quaſi vellet attrahi, attamen </s>
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