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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        <div xml:id="echoid-div40" type="section" level="1" n="40">
          <p>
            <s xml:id="echoid-s1889" xml:space="preserve">
              <pb o="79" file="0093" n="93" rhead="DE MAGNETE."/>
            curii ſublimati corroſivi ana ℨiij. </s>
            <s xml:id="echoid-s1890" xml:space="preserve">quos binos pulveres bene miſtos,
              <lb/>
            phialæ immiſi vitreæ, quam expoſui igni arenæ trihorii ſpatio; </s>
            <s xml:id="echoid-s1891" xml:space="preserve">ad-
              <lb/>
            ſcendit omnis Mercurius ſublimatus, atque adhæſit ſuperiori phia-
              <lb/>
            læ fornici, ejuſque collo, quemadmodum in omni ſublimationeejus
              <lb/>
            contingit; </s>
            <s xml:id="echoid-s1892" xml:space="preserve">ſed nihil ex Magnete ſecum elevavit; </s>
            <s xml:id="echoid-s1893" xml:space="preserve">qui ſub forma
              <lb/>
            pulveris remanſit in phialæ fundo: </s>
            <s xml:id="echoid-s1894" xml:space="preserve">hac diffracta & </s>
            <s xml:id="echoid-s1895" xml:space="preserve">pulvere exemto,
              <lb/>
            obſervata fuit vis eadem attratrix ſuperſtes in eo, quæ ante inſtitu-
              <lb/>
            tam operationem adnotata fuerat.</s>
            <s xml:id="echoid-s1896" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1897" xml:space="preserve">2. </s>
            <s xml:id="echoid-s1898" xml:space="preserve">Quia in Chemiâ aliquando deprehendimus unâ operatione non
              <lb/>
            peragi, quod repetita abſolvitur, Mercurium ſublimatum priorem
              <lb/>
            collegi, ipſique crudi Mercurii ℈ij. </s>
            <s xml:id="echoid-s1899" xml:space="preserve">admiſcui, & </s>
            <s xml:id="echoid-s1900" xml:space="preserve">pulverem tandem
              <lb/>
            Magnetis eundem: </s>
            <s xml:id="echoid-s1901" xml:space="preserve">hæc tria phialæ vitreæ immiſſa iterum igni ex-
              <lb/>
            poſui arenæ per tres horas, quibus elapſis deprehendebam Mercu-
              <lb/>
            rium omnem quidem fuiſſe ad ſuperiorem phialæ fornicem ſublima-
              <lb/>
            tum, attamen eum nihil ex Magnere ſecum elevaſſe, qui ſub forma
              <lb/>
            pulveris, ejuſdem ac ante coloris, ad fundum phialæ manſit, & </s>
            <s xml:id="echoid-s1902" xml:space="preserve">qui
              <lb/>
            poſtea examinatus per Magnetem alium ſupra ipſum detentum, ni-
              <lb/>
            hil de ſuâ virtute perdidiſſe deprehendebatur.</s>
            <s xml:id="echoid-s1903" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1904" xml:space="preserve">Omnem quem colligere potui Mercurium in hac operatione, miſcui
              <lb/>
            iterum accurate cum pulvere Magnetis eodem, immiſique crucibulo
              <lb/>
            terreo, ſuperne aperto, viſurus quid major ignis, & </s>
            <s xml:id="echoid-s1905" xml:space="preserve">apertus in
              <lb/>
            hæc ambo corpora operaretur, ex diverſa enim Ignis applicatione
              <lb/>
            haud raro diverſiſſima conficiuntur producta, per horam igitur in
              <lb/>
            furno anemi igni commiſi maſſam, avolavit Mercurius, relinquens
              <lb/>
            cundem pulverem Magnetis in crucibulo, nec mutatum copia, co-
              <lb/>
            lore, aut vi attractrice, quam in Verſorium & </s>
            <s xml:id="echoid-s1906" xml:space="preserve">Magnetem manifeſto
              <lb/>
            exercebat; </s>
            <s xml:id="echoid-s1907" xml:space="preserve">adeo ut ex hac operatione plane conſter Mercurium ne-
              <lb/>
            quicquam agere in Magnetem, nihilque in ipſo mutare, corrum-
              <lb/>
            pere, volatile reddere, ſeparare, ſed ipſum penitus relinquere in-
              <lb/>
            tactum.</s>
            <s xml:id="echoid-s1908" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div41" type="section" level="1" n="41">
          <head xml:id="echoid-head49" xml:space="preserve">PROCESSUS TERTIUS.</head>
          <p>
            <s xml:id="echoid-s1909" xml:space="preserve">Quamvis Mercurius ſublimatus nihil in Magnete volatile reddi-
              <lb/>
            derit, concludere tamen ut Phyſicus non poteram, ergo nullum
              <lb/>
            Sal Magnetem reddet volatilem, quia Salia diverſiſſimæ </s>
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