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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[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)
[131.] EXPERIMENTUM CVI.
Page: 239 (225)
[132.] EXPERIMENTUM CVII.
Page: 240 (226)
[133.] EXPERIMENTUM CVIII.
Page: 243 (229)
[134.] EXPERIMENTUM CIX. DE FABRICA VERSORIORUM.
Page: 243 (229)
[135.] CAPUT QUARTUM.
Page: 249 (235)
[136.] EXPERIMENTUM CX.
Page: 249 (235)
[137.] EXPERIMENTUM CXI.
Page: 250 (236)
[138.] EXPERIMENTUM CXII.
Page: 251 (237)
[139.] EXPERIMENTUM CXIII.
Page: 252 (238)
[140.] EXPERIMENTUM CXIV.
Page: 253 (239)
[141.] EXPERIMENTUM CXV.
Page: 254 (240)
[142.] EXPERIMENTUM CXVI.
Page: 255 (241)
[143.] EXPERIMENTUM CXVII.
Page: 256 (242)
[144.] EXPERIMENTUM CXVIII.
Page: 256 (242)
[145.] EXPERIMENTUM CXIX.
Page: 257 (243)
[146.] EXPERIMENTUM CXX.
Page: 257 (243)
[147.] EXPERIMENTUM CXXI.
Page: 258 (244)
[148.] EXPERIMENTUM CXXII.
Page: 259 (245)
[149.] EXPERIMENTUM CXXIII.
Page: 260 (246)
[150.] EXPERIMENTUM CXXIV.
Page: 260 (246)
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              <pb o="111" file="0125" n="125" rhead="DE MAGNETE."/>
            jorem regulam abſtuliſſe quidem minorem a Magnete, ſed ambas â
              <lb/>
            ſe ſeparatas fuiſſe, poſtquam a Magnete duobus tribuſve pollicibus
              <lb/>
            receſſerant.</s>
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          <head xml:id="echoid-head78" xml:space="preserve">EXPERIMENTUM L.</head>
          <p>
            <s xml:id="echoid-s2724" xml:space="preserve">Cuſpis Acus chalybeæ hebetata fuit, capite manente craſſiori,
              <lb/>
            cuſpide applicata Magneti fortiſſimo & </s>
            <s xml:id="echoid-s2725" xml:space="preserve">capite virgæ ferreæ, ſemper
              <lb/>
            deductæ a Lapide virgæ adhæſit firmiter Acus, a Magnete ademta:
              <lb/>
            </s>
            <s xml:id="echoid-s2726" xml:space="preserve">capite Acus deinde applicato Magneti, & </s>
            <s xml:id="echoid-s2727" xml:space="preserve">cuſpide regulæ ferreæ,
              <lb/>
            aliquando avellebatur Acus a Magnete, aliquando non, remotâ ut
              <lb/>
            ante regulâ.</s>
            <s xml:id="echoid-s2728" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2729" xml:space="preserve">Tum cuſpis Acus reddita fuit acutiſſima, & </s>
            <s xml:id="echoid-s2730" xml:space="preserve">caput optime appla-
              <lb/>
            natum, cuſpide applicata Magneti, & </s>
            <s xml:id="echoid-s2731" xml:space="preserve">capite virgæ ferreæ, huic
              <lb/>
            ſemper Acus adhæſit, tollique â Magnete potuit. </s>
            <s xml:id="echoid-s2732" xml:space="preserve">Sed capite Acûs
              <lb/>
            applicato Magneti, cuſpide virgæ, nunquam adhæſit virgæ, ſed
              <lb/>
            applicata Magneti manſit: </s>
            <s xml:id="echoid-s2733" xml:space="preserve">idcirco prima fronte opinabar, cum aliis
              <lb/>
            Philoſophis Acum adhærere corpori, quod pluribus attingebat pun-
              <lb/>
            ctis, attamen erroneam hanc fuiſſe opinionem plura me docuerunt Ex-
              <lb/>
            perimenta, nam clavis, cujus planities magna, appoſita fuit plano Ma-
              <lb/>
            gnetis polo, adeo ut contactus in lata ſuperficie daretur, tum caput
              <lb/>
            alterius clavis rotundum applicatum fuit capiti rotundo prioris cla-
              <lb/>
            vis, ut contactus ambarum in puncto tantum fuerit, nihilo-
              <lb/>
            minus clavis ſecunda abſtulit primam a Magnete; </s>
            <s xml:id="echoid-s2734" xml:space="preserve">inſtitui hoc Ex-
              <lb/>
            perimentum cum Cl. </s>
            <s xml:id="echoid-s2735" xml:space="preserve">Hartſoekero, tum affirmante, ſe idem parado-
              <lb/>
            xon ſemper obſervaſſe, quod etiam adnotavit de la Hirius in L’Hiſt.
              <lb/>
            </s>
            <s xml:id="echoid-s2736" xml:space="preserve">de L’Acad. </s>
            <s xml:id="echoid-s2737" xml:space="preserve">Roy. </s>
            <s xml:id="echoid-s2738" xml:space="preserve">A°. </s>
            <s xml:id="echoid-s2739" xml:space="preserve">1717. </s>
            <s xml:id="echoid-s2740" xml:space="preserve">ratus, Ferrum eſſe fortiorem
              <lb/>
            Magnetem ad attrahendum Ferrum ipſo Lapide, hinc regulam fer-
              <lb/>
            ream adimere aliam a Magnete: </s>
            <s xml:id="echoid-s2741" xml:space="preserve">Hoc tamen videtur nimis precario
              <lb/>
            aſſumtum, cum a Magnete præſtantiſſimo Ferrum vix viribus do-
              <lb/>
            natum adimit aliud Ferrum: </s>
            <s xml:id="echoid-s2742" xml:space="preserve">præterea ita non ſolvitur difficultas,
              <lb/>
            quomodo Magnes debilior a fortiori abripiat Ferrum in Experimen-
              <lb/>
            to XLVII. </s>
            <s xml:id="echoid-s2743" xml:space="preserve">Supponit quidem Philoſophus debiliorem Magnetem vi-
              <lb/>
            res acquirere a fortiori, ſed demonſtrandum foret debiliorem fieri
              <lb/>
            fortiorem ipſo Magnete præſtantiſſimo, quod an concipi concedive
              <lb/>
            queat vehementer dubito: </s>
            <s xml:id="echoid-s2744" xml:space="preserve">Sunt hercle multiplicia Magnetum </s>
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