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

Table of contents

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[61.] EXPERIMENTUM. XLI.
Page: 120 (106)
[62.] EXPERIMENTUM. XLII.
Page: 121 (107)
[63.] EXPERIMENTUM XLIII.
Page: 122 (108)
[64.] EXPERIMENTUM XLIV.
Page: 122 (108)
[65.] EXPERIMENTUM. XLV.
Page: 122 (108)
[66.] EXPERIMENTUM XLVI.
Page: 123 (109)
[67.] EXPERIMENTUM XLVII.
Page: 124 (110)
[68.] EXPERIMENTUM XLVIII.
Page: 124 (110)
[69.] EXPERIMENTUM XLIX.
Page: 124 (110)
[70.] EXPERIMENTUM L.
Page: 125 (111)
[71.] EXPERIMENTUM LI.
Page: 126 (112)
[72.] EXPERIMENTUM LII.
Page: 126 (112)
[73.] EXPERIMENTUM. LIII.
Page: 126 (112)
[74.] EXPERIMENTUM. LIV.
Page: 127 (113)
[75.] EXPERIMENTUM LV.
Page: 127 (113)
[76.] EXPERIMENTUM LVI.
Page: 128 (114)
[77.] EXPERIMENTUM LVII.
Page: 128 (114)
[78.] EXPERIMENTUM LVIII.
Page: 129 (115)
[79.] EXPERIMENTUM LIX.
Page: 130 (116)
[80.] EXPERIMENTUM LX.
Page: 130 (116)
[81.] EXPERIMENTUM LXI.
Page: 131 (117)
[82.] EXPERIMENTUM LXII.
Page: 131 (117)
[83.] EXPERIMENTUM. LXIII.
Page: 131 (117)
[84.] EXPERIMENTUM LXIV.
Page: 132 (118)
[85.] EXPERIMENTUM LXV.
Page: 132 (118)
[86.] EXPERIMENTUM LXVI.
Page: 134 (120)
[87.] EXPERIMENTUM LXVII.
Page: 135 (121)
[88.] EXPERIMENTUM LXVIII.
Page: 136 (122)
[89.] EXPERIMENTUM LXIX.
Page: 136 (122)
[90.] EXPERIMENTUM LXX.
Page: 137 (123)
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              <pb o="121" file="0135" n="135" rhead="DE MAGNETE."/>
            conſpici poſſunt poſito Magnete ſupra ſpeculum vitreum, infra quod
              <lb/>
            alba jacet charta; </s>
            <s xml:id="echoid-s2935" xml:space="preserve">nulla enim ſuperficies datur lævigatior, ſupra quam
              <lb/>
            ferrea Scobs, vel pulvis Indicus, in ſeries magis ordinatas diſponi
              <lb/>
            poteſt.</s>
            <s xml:id="echoid-s2936" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2937" xml:space="preserve">Quicunque has ſeries circa Magnetem primo intuetur, extemplo
              <lb/>
            judicaret eas a circumfluente circa lapidem Fluido pendere, quod
              <lb/>
            delatum inter Ferri partes, eas tam juſto diſponeret ordine, cum
              <lb/>
            viam ſibi quærit, atque Scobis partes, ut totidem obſtacula, removet:
              <lb/>
            </s>
            <s xml:id="echoid-s2938" xml:space="preserve">attendenti autem nihil minus verum eſſe apparet; </s>
            <s xml:id="echoid-s2939" xml:space="preserve">cum enim Scobs
              <lb/>
            ferrea ſit admodum gravis & </s>
            <s xml:id="echoid-s2940" xml:space="preserve">craſſa, debebit id fluidum, quod eam
              <lb/>
            e loco moveret, ordinaretque, eſſe copioſum, veloci actem motu, & </s>
            <s xml:id="echoid-s2941" xml:space="preserve">
              <lb/>
            magnarum virium; </s>
            <s xml:id="echoid-s2942" xml:space="preserve">id igitur facilius movebit, propellet, disjiciet aut
              <lb/>
            ordinabit Scobem parteſve corporum leviſſimas, uti farinam frumenti,
              <lb/>
            Scobem Ligni, Eboris, Stanni, Cupri; </s>
            <s xml:id="echoid-s2943" xml:space="preserve">quam graviſſimas Ferri: </s>
            <s xml:id="echoid-s2944" xml:space="preserve">verum
              <lb/>
            hæc omnia circa Magnetem ſparſa non in ſeries diſponuntur, non mo-
              <lb/>
            ventur, ſed jacent quieta, uti ceciderunt, ac ſi nullus afforet Magnes, an
              <lb/>
            igitur fingipoteſt fluidum, quod corpora moveret craſſiora & </s>
            <s xml:id="echoid-s2945" xml:space="preserve">gravia, in
              <lb/>
            leviſſima autem operari non poſſet? </s>
            <s xml:id="echoid-s2946" xml:space="preserve">ſed non fluere in intervallis
              <lb/>
            ſerierum dicatur fluidum, verum per ipſam Scobis ſubſtantiam, & </s>
            <s xml:id="echoid-s2947" xml:space="preserve">
              <lb/>
            ea ideo ita ordinari; </s>
            <s xml:id="echoid-s2948" xml:space="preserve">hoc conceſſo, quæram quomodo id fluidum
              <lb/>
            non moveat partes leviſſimas farinæ, quibus occurrit, & </s>
            <s xml:id="echoid-s2949" xml:space="preserve">quas penetrat,
              <lb/>
            cum moveat Ferri partes graviſſimas? </s>
            <s xml:id="echoid-s2950" xml:space="preserve">& </s>
            <s xml:id="echoid-s2951" xml:space="preserve">2°. </s>
            <s xml:id="echoid-s2952" xml:space="preserve">quomodo Scobs ferrea
              <lb/>
            in ſeries intervalla relinquentes ordinetur, & </s>
            <s xml:id="echoid-s2953" xml:space="preserve">non partes juxta ſe
              <lb/>
            poſitas tantum habeat? </s>
            <s xml:id="echoid-s2954" xml:space="preserve">Quas difficultates nemo ſolvet facile, prius-
              <lb/>
            quam indolem virium Magneticarum melius intellexerimus.</s>
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          <head xml:id="echoid-head95" xml:space="preserve">EXPERIMENTUM LXVII.</head>
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            <s xml:id="echoid-s2956" xml:space="preserve">Sternebatur limatura Ferri ſupra parallelopipedum ferreum 6
              <lb/>
            pollices craſſum, cujus inferiori extremo applicatus fuit Magnes,
              <lb/>
            illico Limatura recta ſurſum erigebatur: </s>
            <s xml:id="echoid-s2957" xml:space="preserve">indicio vim Magnetis tranſire
              <lb/>
            quoque per Ferrum, etiamſi craſſiſſimum.</s>
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            <s xml:id="echoid-s2959" xml:space="preserve">Deinde ſupra aliud parallelopipedum ferreum, unum pollicem craſ-
              <lb/>
            ſum, limatura Ferri ſatis denſe ſpargebatur, huic iterum præcedens
              <lb/>
            parallelopipedum 6 pollicum impoſitum, ejuſque parti ſuperiori in-
              <lb/>
            jecta quoque fuit Ferri Limatura, tum Magnes infimo </s>
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