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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[101.] EXPERIMENTUM LXXX.
Page: 149 (135)
[102.] CAPUT TERTIUM. De Directione Magnetis & Ferri ſuper ipſo ducti.
Page: 150 (136)
[103.] EXPERIMENTUM LXXXI.
Page: 151 (137)
[104.] EXPERIMENTUM LXXXII.
Page: 152 (138)
[105.] EXPERIMENTUM LXXXIII.
Page: 153 (139)
[106.] EXPERIMENTUM LXXXIV.
Page: 154 (140)
[107.] EXPERIMENTUM LXXXV.
Page: 154 (140)
[108.] EXPERIMENTUM LXXXVI.
Page: 155 (141)
[109.] EXPERIMENTUM LXXXVII.
Page: 155 (141)
[110.] EXPERIMENTUM LXXXVIII.
Page: 155 (141)
[111.] EXPERIMENTUM LXXXIX.
Page: 155 (141)
[112.] EXPERIMENTUM XC.
Page: 157 (143)
[113.] EXPERIMENTUM XCI.
Page: 158 (144)
[114.] EXPERIMENTUM XCII.
Page: 159 (145)
[115.] EXPERIMENTUM XCIII.
Page: 160 (146)
[116.] EXPERIMENTUM XCIV.
Page: 162 (148)
[117.] EXPERIMENTUM XCV.
Page: 163 (149)
[118.] EXPERIMENTUM XCVI.
Page: 163 (149)
[119.] EXPERIMENTUM XCVII.
Page: 164 (150)
[120.] Tabula Declinationis Acus Magneticæ Pariſiis obſervatæ.
Page: 166 (152)
[121.] EXPERIMENTUM XCVIII.
Page: 202 (188)
[122.] DE ACU INCLINATORIA.
Page: 204 (190)
[123.] EXPERIMENTUM XCIX.
Page: 206 (192)
[124.] EXPERIMENTUM. C.
Page: 208 (194)
[125.] EXPERIMENTUM CI.
Page: 209 (195)
[126.] EXPERIMENTUM CII.
Page: 210 (196)
[127.] EXPERIMENTUM. CIII.
Page: 214 (200)
[128.] DISSERTATIO
Page: 216 (202)
[129.] EXPERIMENTUM CIV.
Page: 236 (222)
[130.] EXPERIMENTUM CV.
Page: 238 (224)
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            <s xml:id="echoid-s2868" xml:space="preserve">Hoc ſubtiliſſime primus obſervavit Whiſtonus: </s>
            <s xml:id="echoid-s2869" xml:space="preserve">Ferrum igitur,
              <lb/>
            quod ſuper Magnete ductum fuit, & </s>
            <s xml:id="echoid-s2870" xml:space="preserve">vires accepit, hæret quaſi in
              <lb/>
            centro virium ad aliquam diſtantiam diffuſarum, & </s>
            <s xml:id="echoid-s2871" xml:space="preserve">vires Magnetis
              <lb/>
            & </s>
            <s xml:id="echoid-s2872" xml:space="preserve">Ferri ſibi obviam quaſi eunt, atque in intermedio ſpatio in ſe a-
              <lb/>
            gunt; </s>
            <s xml:id="echoid-s2873" xml:space="preserve">niſi Ferrum, vi donatum, mobilius ſit altero, & </s>
            <s xml:id="echoid-s2874" xml:space="preserve">ideo ab exi-
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            lioribus Magnetis viribus in diſtantia majori commoveri poſſit.</s>
            <s xml:id="echoid-s2875" xml:space="preserve"/>
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          <head xml:id="echoid-head92" xml:space="preserve">EXPERIMENTUM LXIV.</head>
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            <s xml:id="echoid-s2876" xml:space="preserve">Si Magnes homogeneæ ſubſtantiæ undiquaque obruatur limatura
              <lb/>
            Ferri tenuiſſima, vel pulvere Indico, nullum fere erit in ſuperſicie
              <lb/>
            punctum, cui attracta limatura non adhæret: </s>
            <s xml:id="echoid-s2877" xml:space="preserve">majori tamen copia adhæ-
              <lb/>
            ret angulis & </s>
            <s xml:id="echoid-s2878" xml:space="preserve">polis, quam lateralibus planiſque Magnetis partibus; </s>
            <s xml:id="echoid-s2879" xml:space="preserve">at-
              <lb/>
            trahit igitur omne punctum Magnetis Ferrum, etiamſi non æque valide.</s>
            <s xml:id="echoid-s2880" xml:space="preserve"/>
          </p>
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          <head xml:id="echoid-head93" xml:space="preserve">EXPERIMENTUM LXV.</head>
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            <s xml:id="echoid-s2881" xml:space="preserve">Si limatura Ferri rarè, & </s>
            <s xml:id="echoid-s2882" xml:space="preserve">æquabiliter ſpargatur ſupra corporis non
              <lb/>
            admodum denſi ſuperficiem planam (ne quidem Ferro excepto) & </s>
            <s xml:id="echoid-s2883" xml:space="preserve">
              <lb/>
            Magnes directe infra id corpus ponatur, alterutro polo ſpectante
              <lb/>
            ſurſum, primo plurimæ particulæ limaturæ conjungentur in formam
              <lb/>
            oblongæ Acus, illæ perpendiculariter ſupra ſuperficiem erigentur,
              <lb/>
            quæ directe e regione poli Magnetis ſunt: </s>
            <s xml:id="echoid-s2884" xml:space="preserve">moto Magnete dextror-
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            ſum ſecundum longitudinem plani ſuſtinentis, cadunt omnes partes
              <lb/>
            limaturæ ſiniſtrorſum; </s>
            <s xml:id="echoid-s2885" xml:space="preserve">redeunte Magnete ſiniſtrorſum, eriguntur
              <lb/>
            partes, caduntque dextrorſum: </s>
            <s xml:id="echoid-s2886" xml:space="preserve">idem ſpectatur effectus, quicun-
              <lb/>
            que Magnetis polus ſurſum fuerit converſus. </s>
            <s xml:id="echoid-s2887" xml:space="preserve">Poſt itus reditusque
              <lb/>
            aliquot Magnetis infra planum ſuſtinens ſcobem, ordinatur lima-
              <lb/>
            tura in ſeries oblongas.</s>
            <s xml:id="echoid-s2888" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2889" xml:space="preserve">Si pars Magnetis lateralis plano obverſa, ſed infra illud promo-
              <lb/>
            veatur dextrorſum, vel ſiniſtrorſum, etiam erigitur limatura, ca-
              <lb/>
            ditque contraria directione, quam qua Magnes movetur, cadit tamen
              <lb/>
            paulum oblique, magis nempe a polis utrimque attracta, quam a
              <lb/>
            meridiano Magnetis.</s>
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            <s xml:id="echoid-s2891" xml:space="preserve">Si aliquoties infra planum Magnetem, alterutro polo ſurſum ſpe-
              <lb/>
            ctante, dextrorſum & </s>
            <s xml:id="echoid-s2892" xml:space="preserve">ſiniſtrorſum promoveris, ut limatura ſit in </s>
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