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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[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)
[151.] EXPERIMENTUM CXXV.
Page: 261 (247)
[152.] EXPERIMENTUM CXXVI.
Page: 261 (247)
[153.] EXPERIMENTUM CXXVII.
Page: 262 (248)
[154.] EXPERIMENTUM CXXVIII.
Page: 263 (249)
[155.] EXPERIMENTUM CXXIX.
Page: 263 (249)
[156.] EXPERIMENTUM CXXX.
Page: 264 (250)
[157.] CAPUT QUINTUM. De vi Magnetica Ferri.
Page: 267 (253)
[158.] EXPERIMENTUM CXXXI.
Page: 268 (254)
[159.] EXPERIMENTUM CXXXII.
Page: 269 (255)
[160.] EXPERIMENTUM CXXXIII.
Page: 270 (256)
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          <head xml:id="echoid-head158" xml:space="preserve">EXPERIMENTUM CXXIII.</head>
          <p>
            <s xml:id="echoid-s5844" xml:space="preserve">Lamina Chalybea, 12 pollicum, qualis Magneti artificiali inſervit,
              <lb/>
            vi Magnetica imprægnetur, tum alia virga nova aut lamina ferrea,
              <lb/>
            non admodum craſſa, ponatur in incude fabri, huic virgæ prioris
              <lb/>
            laminæ extremo appoſito magna attractio orietur, cohærente virga
              <lb/>
            fortiter cum lamina; </s>
            <s xml:id="echoid-s5845" xml:space="preserve">ſi autem virga impoſita fuerit ligno, lapidi,
              <lb/>
            manui, aliive corpori non ferreo, tum a lamina priori duplo vel
              <lb/>
            triplo minus attrahetur. </s>
            <s xml:id="echoid-s5846" xml:space="preserve">Quo incus, cui virga impoſita eſt, fuerit
              <lb/>
            major, eo majori vi virga attrahetur a lamina, atque ad majorem
              <lb/>
            elevatur ab incude altitudinem.</s>
            <s xml:id="echoid-s5847" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s5848" xml:space="preserve">Debetur hoc obſervatum Cl. </s>
            <s xml:id="echoid-s5849" xml:space="preserve">Reaumurio, in L’Hiſt. </s>
            <s xml:id="echoid-s5850" xml:space="preserve">de L’Acad.
              <lb/>
            </s>
            <s xml:id="echoid-s5851" xml:space="preserve">Roy. </s>
            <s xml:id="echoid-s5852" xml:space="preserve">A°. </s>
            <s xml:id="echoid-s5853" xml:space="preserve">1723. </s>
            <s xml:id="echoid-s5854" xml:space="preserve">in quo notamus idem fieri ab ingenti incude, quod
              <lb/>
            a Magnete præſtatur, duæ claves ſupra Magnetem ad notabile in-
              <lb/>
            tervallum ſibi applicatæ cohærebant vi ex lapide egreſſâ, eadem vis
              <lb/>
            ex incude egreditur, quæ duabus laminis ſibi appoſitis attractionem
              <lb/>
            excitat, aut excitatam auget, quod idem eſt; </s>
            <s xml:id="echoid-s5855" xml:space="preserve">quemadmodum cla-
              <lb/>
            ves altius ſupra Magnetem elevatæ, minori vi ad ſe attrahebantur,
              <lb/>
            atque ideo a ſe ſolutæ decidebant, ita quoque virga adhærens lami-
              <lb/>
            næ ſupra incudem elevatæ, decidit ſoluta, modo lamina magis ab
              <lb/>
            incude recedat: </s>
            <s xml:id="echoid-s5856" xml:space="preserve">Quare iterum evincitur Ferrum eſſe Magnetem,
              <lb/>
            & </s>
            <s xml:id="echoid-s5857" xml:space="preserve">ab hoc in eo tantum differre, quod vi minori polleat, niſi Ma-
              <lb/>
            gnetem attigerit.</s>
            <s xml:id="echoid-s5858" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div150" type="section" level="1" n="150">
          <head xml:id="echoid-head159" xml:space="preserve">EXPERIMENTUM CXXIV.</head>
          <p>
            <s xml:id="echoid-s5859" xml:space="preserve">Intorquebam deinde duo fila ferrea circa ſe mutuo, quemadmo-
              <lb/>
            dum reſtiarii ex duobus funibus alium craſſiorem compoſituri faciunt;
              <lb/>
            </s>
            <s xml:id="echoid-s5860" xml:space="preserve">filorum longitudo fuit 4 pollicum, diameter {1/12} pollic. </s>
            <s xml:id="echoid-s5861" xml:space="preserve">hæc ſuper Au-
              <lb/>
            ſtrali Magnetis polo ducta, utroque extremo repellebant Verſorii
              <lb/>
            tam polumBoreum, quam Auſtralem, media ſui parte utrum que polum
              <lb/>
            allicientes; </s>
            <s xml:id="echoid-s5862" xml:space="preserve">hæc intorta ut poli cognomines ſe contingerent, bifido
              <lb/>
            capite utrimque terminabantur, quorum alterutrum attrahebat Ver-
              <lb/>
            ſorii polum Boreum, repellebat alterum: </s>
            <s xml:id="echoid-s5863" xml:space="preserve">bina oppoſita capita at-
              <lb/>
            trahebant tum polum Auſtralem, tum Boreum: </s>
            <s xml:id="echoid-s5864" xml:space="preserve">totum </s>
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