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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[Item 1.]
[2.] PETRI VAN MUSSCHENBROEK A. L. M. Med. & Phil. D. Phil. & Matheſ. Profeſſ. in Acad. Ultraj. PHYSICÆ EXPERIMENTALES, ET GEOMETRICÆ, DE MAGNETE, TUBORUM CAPILLARIUM VITREORUM-QUE SPECULORUM ATTRACTIONE, MAGNITUDINE TERRÆ, COHÆRENTIA CORPORUM FIRMORUM DISSERTATIONES: UTET EPHEMERIDES METEOROLOGICÆ ULTRAJECTINÆ.
[3.] LUGDUNI BATAVORUM, Apud SAMUELEM LUCHTMANS, MDCCXXIX.
[4.] NOBILISSIMIS ET AMPLISSIMIS VIRIS LUCÆ VAN VOORST, JCTO. ET HENRICO VAN SOESTDYK, INCLYTÆ URBIS TRAJECTINÆ CONSULIBUS, HAS DISSERTATIONES EA QUA PAR EST OBSERVANTIA D. D. D. PETRUS VAN MUSSCHENBROEK.
[5.] LECTORI SALUTEM.
[6.] ERRATA TYPOGRAPHICA.
[7.] Berigt voor den Boekbinder.
[8.] DISSERTATIO PHYSICA EXPERIMENTALIS DE MAGNETE. PRÆFATIO.
[9.] Ex Ferro meruit vitam, ferrique rigore Veſcitur, has dulces epulas, hæc pabula novit.
[10.] DISSERTATIO PHYSICA EXPERIMENTALIS DE MAGNETE. CAPUT I. DE ACTIONE MAGNETUM IN SE MUTUO.
[11.] EXPERIMENTUMI
[12.] EXPERIMENTUM II.
[13.] EXPERIMENTUM III.
[14.] EXPERIMENTUM IV.
[15.] EXPERIMENTUM V.
[16.] EXPERIMENTUM VI.
[17.] EXPERIMENTUM VII. & VIII.
[18.] EXPERIMENTUM IX, X, XI, XII.
[19.] EXPERIMENTUM XIII.
[20.] EXPERIMENTUM XIV.
[21.] EXPERIMENTUM XV.
[22.] CAPUT II. DE ACTIONE MAGNETIS IN FERRUM.
[23.] Flagrat anbela ſilex, & amicam ſaucia ſentit Materiam, placidosque chalybs cognoſcit amores.
[24.] EXPERIMENTUM XVI.
[25.] EXPERIMENTUM XVII.
[26.] EXPERIMENTUM XVIII.
[27.] EXPERIMENTUM XIX.
[28.] EXPERIMENTUM XX.
[29.] EXPERIMENTUM XXI.
[30.] EXPERIMENTUM XXII.
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            minus Ferri elevabit, gaudens tantum virtute, quam cum eo debi-
              <lb/>
            lior Magnes communicaſſet.</s>
            <s xml:id="echoid-s2528" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div57" type="section" level="1" n="57">
          <head xml:id="echoid-head65" xml:space="preserve">EXPERIMENTUM XXXVII.</head>
          <p>
            <s xml:id="echoid-s2529" xml:space="preserve">Si lamina ferrea, ſuper alterutro Magnetis polo ducta ſiniſtror-
              <lb/>
            ſum, vi attractrice imbuta fuerit, deinde reducatur dextrorſum,
              <lb/>
            maximam virtutis partem, quam in priori tractu acquiſivit, amittet,
              <lb/>
            ea quæ ſupereſt hæret in laminæ extremitate, quæ ultimo Magne-
              <lb/>
            tem attigit.</s>
            <s xml:id="echoid-s2530" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2531" xml:space="preserve">Nunquam igitur Ferrum Magneti affricandum eſt, illud ducendo
              <lb/>
            dextrorſum, & </s>
            <s xml:id="echoid-s2532" xml:space="preserve">reducendo ſiniſtrorſum, nam poſt plurimos ejuſ-
              <lb/>
            modi itus redituſque Ferrum nihil virtutis accipiet: </s>
            <s xml:id="echoid-s2533" xml:space="preserve">hoc recte quon-
              <lb/>
            dam obſervavit Barlow, & </s>
            <s xml:id="echoid-s2534" xml:space="preserve">Riccioli in Geograpb. </s>
            <s xml:id="echoid-s2535" xml:space="preserve">pag, 338. </s>
            <s xml:id="echoid-s2536" xml:space="preserve">Ani-
              <lb/>
            madvertit præterea Eruditiſſimus Derhamus, Ferrum ita affrictum
              <lb/>
            non in ſuis extremitatibus habere polos, ſed in centro, vel prope
              <lb/>
            illud: </s>
            <s xml:id="echoid-s2537" xml:space="preserve">aliquando unum polum eſſe prope centrum, alterum ad alte-
              <lb/>
            rutrum extremum: </s>
            <s xml:id="echoid-s2538" xml:space="preserve">aliquando ambo extrema attrahi ab eodem polo
              <lb/>
            Magnetis, ab altero ejus polo repelli: </s>
            <s xml:id="echoid-s2539" xml:space="preserve">in quo caſu polus repellens
              <lb/>
            ſemper inveniebat partem attrahentem prope centrum: </s>
            <s xml:id="echoid-s2540" xml:space="preserve">In aliis ob-
              <lb/>
            ſervavit ferramentis, vim directricem eſſe converſam, eorumque
              <lb/>
            extrema attrahi & </s>
            <s xml:id="echoid-s2541" xml:space="preserve">repelli plane contrario modo quam naturaliter ſo-
              <lb/>
            let. </s>
            <s xml:id="echoid-s2542" xml:space="preserve">Confer. </s>
            <s xml:id="echoid-s2543" xml:space="preserve">Philoſ. </s>
            <s xml:id="echoid-s2544" xml:space="preserve">Tranſ. </s>
            <s xml:id="echoid-s2545" xml:space="preserve">N°. </s>
            <s xml:id="echoid-s2546" xml:space="preserve">303.</s>
            <s xml:id="echoid-s2547" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div58" type="section" level="1" n="58">
          <head xml:id="echoid-head66" xml:space="preserve">EXPERIMENTUM XXXVIII.</head>
          <p>
            <s xml:id="echoid-s2548" xml:space="preserve">Viribus alicujus Magnetis in Ferrum, datâ diſtantiâ remotum,
              <lb/>
            ſecundum noſtram ponderandi methodum accuratiſſime cognitis, la-
              <lb/>
            pidi affricentur plurima corpora ferrea, quæ vi Magnetica impræ-
              <lb/>
            gnentur; </s>
            <s xml:id="echoid-s2549" xml:space="preserve">tum ſtatim exploretur vis denuo Magnetis in Ferrum; </s>
            <s xml:id="echoid-s2550" xml:space="preserve">an
              <lb/>
            permanſerit, utrum decreverit: </s>
            <s xml:id="echoid-s2551" xml:space="preserve">obſervabitur perpetuo perſeveraſſe
              <lb/>
            ſine ullo decremento,</s>
          </p>
          <p>
            <s xml:id="echoid-s2552" xml:space="preserve">Plures hanc obſervationem memoriæ prodiderunt, uti Norman-
              <lb/>
            nus in New. </s>
            <s xml:id="echoid-s2553" xml:space="preserve">attract. </s>
            <s xml:id="echoid-s2554" xml:space="preserve">Cap. </s>
            <s xml:id="echoid-s2555" xml:space="preserve">1. </s>
            <s xml:id="echoid-s2556" xml:space="preserve">Gilbertus, & </s>
            <s xml:id="echoid-s2557" xml:space="preserve">Hartſoekerus tandem,
              <lb/>
            qui mihi ſuum nonnunquam teſtatus dolorem, ſe ex Jobloti aſler-
              <lb/>
            tis in errorem illapſum, contrarium ſuis inſeruiſſe ſcriptis, </s>
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