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-s236" xml:space="preserve">
              <pb o="8" file="0022" n="22" rhead="PRÆFATIO."/>
            de Magnete ſcripſerunt, evolverunt ſcripta: </s>
            <s xml:id="echoid-s237" xml:space="preserve">Nihil addidi, quod ar-
              <lb/>
            tiſicia magnetica ſpectat, qualia congeſſerunt plurima Kircherus,
              <lb/>
            Schottus, Pugettus, aliique: </s>
            <s xml:id="echoid-s238" xml:space="preserve">nam hæc nihil faciunt ad amplifi-
              <lb/>
            candam Scientiam Phyſicam; </s>
            <s xml:id="echoid-s239" xml:space="preserve">attendere tantummodo volui ad pro-
              <lb/>
            prietates Magnetis, in iisque eruendis laborem impendere. </s>
            <s xml:id="echoid-s240" xml:space="preserve">Ante-
              <lb/>
            quam autem rem ipſam aggrediamur, nonnulla quæ Magnetem ſpe-
              <lb/>
            ctant prænoſcenda ſunt.</s>
            <s xml:id="echoid-s241" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s242" xml:space="preserve">Solet Magnes erui ex fodinis tum ſibi propriis, tum ex illis, ex
              <lb/>
            quibus Ferrum elicitur: </s>
            <s xml:id="echoid-s243" xml:space="preserve">nulla Terrarum orbis pars eſt, quæ non
              <lb/>
            præſtantes profert Magnetes, imo de meliori virtute diſputant æque
              <lb/>
            inter ſe Aſiatici & </s>
            <s xml:id="echoid-s244" xml:space="preserve">Europæi, quam Americani & </s>
            <s xml:id="echoid-s245" xml:space="preserve">qui in Africa in-
              <lb/>
            veniuntur.</s>
            <s xml:id="echoid-s246" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s247" xml:space="preserve">Videtur Magnes eſſe Ferri ditior Vena, unde recte & </s>
            <s xml:id="echoid-s248" xml:space="preserve">eleganter
              <lb/>
            Claudianus cecinit:</s>
            <s xml:id="echoid-s249" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div9" type="section" level="1" n="9">
          <head xml:id="echoid-head14" style="it" xml:space="preserve">Ex Ferro meruit vitam, ferrique rigore
            <lb/>
          Veſcitur, has dulces epulas, hæc pabula novit.</head>
          <p>
            <s xml:id="echoid-s250" xml:space="preserve">In hac opinione plures mecum conſentiunt: </s>
            <s xml:id="echoid-s251" xml:space="preserve">Regis in Phyſiq. </s>
            <s xml:id="echoid-s252" xml:space="preserve">part. </s>
            <s xml:id="echoid-s253" xml:space="preserve">3. </s>
            <s xml:id="echoid-s254" xml:space="preserve">L.
              <lb/>
            </s>
            <s xml:id="echoid-s255" xml:space="preserve">4. </s>
            <s xml:id="echoid-s256" xml:space="preserve">c. </s>
            <s xml:id="echoid-s257" xml:space="preserve">14. </s>
            <s xml:id="echoid-s258" xml:space="preserve">ideo dicit, Quamvis Magnes numeretur inter Lapides, nihilo-
              <lb/>
            minus ſimilis videtur miner alibus, & </s>
            <s xml:id="echoid-s259" xml:space="preserve">imprimis ferro: </s>
            <s xml:id="echoid-s260" xml:space="preserve">imo Voſſius teſtatur
              <lb/>
            in Idololatr. </s>
            <s xml:id="echoid-s261" xml:space="preserve">lib. </s>
            <s xml:id="echoid-s262" xml:space="preserve">6. </s>
            <s xml:id="echoid-s263" xml:space="preserve">c. </s>
            <s xml:id="echoid-s264" xml:space="preserve">11. </s>
            <s xml:id="echoid-s265" xml:space="preserve">quod effodiuntur Magnetes, plus Ferri ha-
              <lb/>
            bentes quam Lapidis. </s>
            <s xml:id="echoid-s266" xml:space="preserve">Magis hoc concludi poteſt ex colore ferru-
              <lb/>
            gineo; </s>
            <s xml:id="echoid-s267" xml:space="preserve">tum quod notante Gilberto Lib. </s>
            <s xml:id="echoid-s268" xml:space="preserve">1. </s>
            <s xml:id="echoid-s269" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s270" xml:space="preserve">16. </s>
            <s xml:id="echoid-s271" xml:space="preserve">de Mag: </s>
            <s xml:id="echoid-s272" xml:space="preserve">ex Ma-
              <lb/>
            guete fuſo optimæ notæ Ferrum Chalybsque præparari poſſit: </s>
            <s xml:id="echoid-s273" xml:space="preserve">quod
              <lb/>
            etiam confirmat Lemmery in Curſu Chemiæ, cap. </s>
            <s xml:id="echoid-s274" xml:space="preserve">7. </s>
            <s xml:id="echoid-s275" xml:space="preserve">addens, ad id ma-
              <lb/>
            gnum requiri ignem. </s>
            <s xml:id="echoid-s276" xml:space="preserve">Tachenius in Clave Medicinæ Hipp. </s>
            <s xml:id="echoid-s277" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s278" xml:space="preserve">9. </s>
            <s xml:id="echoid-s279" xml:space="preserve">
              <lb/>
            ideo vocat Magnetem, matrem Ferri, quæ Filii odorem percipit,
              <lb/>
            quia amat. </s>
            <s xml:id="echoid-s280" xml:space="preserve">&</s>
            <s xml:id="echoid-s281" xml:space="preserve">c Inſuper hoc concludo, quia ferrum infixum lapidi
              <lb/>
            foſſili & </s>
            <s xml:id="echoid-s282" xml:space="preserve">poroſo, quem Belgice Hardſteen vocamus, multaque per
              <lb/>
            ſecula corroſum in rubiginem, atque ulterius poris lapidis infuſum
              <lb/>
            cum illapſa pluvia, abit cum eo in præſtantiſſimos Magnetes, non di-
              <lb/>
            ſtinguendos a foſſilibus colore, duritie, aut pondere: </s>
            <s xml:id="echoid-s283" xml:space="preserve">Ejusmodi fragmen-
              <lb/>
            ta ferrea exſciſſa ex templis Trajectinæ urbis antiquiſſimis conſervo,
              <lb/>
            quæ eximiam vim attrahendi ferrum & </s>
            <s xml:id="echoid-s284" xml:space="preserve">Magnetem habent. </s>
            <s xml:id="echoid-s285" xml:space="preserve">Similia
              <lb/>
            magnetica ferramenta paucos ante annos Delphis quoque in ſummo
              <lb/>
            apice vetuſſiſſimi templi ſunt reperta, quorum nonnulla exploravi:</s>
            <s xml:id="echoid-s286" xml:space="preserve"/>
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