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-head110" xml:space="preserve">CAPUT TERTIUM.</head>
          <head xml:id="echoid-head111" xml:space="preserve">De Directione Magnetis & Ferri ſuper ipſo
            <lb/>
          ducti.</head>
          <p>
            <s xml:id="echoid-s3320" xml:space="preserve">Donatus eſt Magnes plerumque duobus polis, qui ſunt plagæ
              <lb/>
            alicujus latitudinis, non puncta Mathematica, inſtar polo-
              <lb/>
            rum terreſtrium, aut coeleſtium: </s>
            <s xml:id="echoid-s3321" xml:space="preserve">Supra memoravimus vim attrahen-
              <lb/>
            tem Magnetis maximam ab hiſce polis exerceri; </s>
            <s xml:id="echoid-s3322" xml:space="preserve">qui ideo facile de-
              <lb/>
            teguntur, circumquaque circa Magnetem Ferrum applicando, & </s>
            <s xml:id="echoid-s3323" xml:space="preserve">
              <lb/>
            explorando quibuſnam in locis id fortiſſime attrahatur: </s>
            <s xml:id="echoid-s3324" xml:space="preserve">Innoteſcunt
              <lb/>
            tamen facilius ope Scobis ferreæ circumſperſæ, vel Acum nauti-
              <lb/>
            cam ſupra Stylum mobilem circumducendo, quæ maximo cum
              <lb/>
            impetu verſus hos polos dirigetur.</s>
            <s xml:id="echoid-s3325" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3326" xml:space="preserve">Sunt aliquando bini poli ſibi in recta diametraliter oppoſiti, ali-
              <lb/>
            quando in curva: </s>
            <s xml:id="echoid-s3327" xml:space="preserve">Non quoque in omnibus Magnetibus neceſſario
              <lb/>
            duo tantum poli deprehenduntur, quippe & </s>
            <s xml:id="echoid-s3328" xml:space="preserve">ipſe vidi, atque alii nota-
              <lb/>
            verunt Auctores, Magnetes, in quibus tres, idem teſtante Fournierio,
              <lb/>
            tum in quibus quatuor manifeſto poli obſervabantur: </s>
            <s xml:id="echoid-s3329" xml:space="preserve">Cl. </s>
            <s xml:id="echoid-s3330" xml:space="preserve">Pugettus
              <lb/>
            in Tractatu Experimentorum Magneticorum Sermone Gallico con-
              <lb/>
            ſcriptorum, Magnetis meminit, vide Tab. </s>
            <s xml:id="echoid-s3331" xml:space="preserve">7. </s>
            <s xml:id="echoid-s3332" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s3333" xml:space="preserve">1. </s>
            <s xml:id="echoid-s3334" xml:space="preserve">Sphærici
              <lb/>
            A B C D, pedi eburneo inſiſtentis, a cujus polo A, Acus nauticæ cuſpis
              <lb/>
            attrahitur, quæ a parte, priori oppoſita, C, etiam allicitur, indi-
              <lb/>
            cio A & </s>
            <s xml:id="echoid-s3335" xml:space="preserve">C eſſe polos cognomines: </s>
            <s xml:id="echoid-s3336" xml:space="preserve">a parte B attrahitur ejuſdem A-
              <lb/>
            cus cauda, quam pariter allicit oppoſitum punctum D: </s>
            <s xml:id="echoid-s3337" xml:space="preserve">poſſidet A-
              <lb/>
            cuum nauticarum artifex inſignis Rotterodamenſis, Dykgraaf, Ma-
              <lb/>
            gnetem, quem mihi explorandum accommodavit, formæ utcun-
              <lb/>
            que cubicæ, quam repræſentat Tab. </s>
            <s xml:id="echoid-s3338" xml:space="preserve">7. </s>
            <s xml:id="echoid-s3339" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s3340" xml:space="preserve">2. </s>
            <s xml:id="echoid-s3341" xml:space="preserve">in cujus latere ante-
              <lb/>
            riori N, Z, ſunt duo poli, quorum unus N eſt Boreus, alter Z Au-
              <lb/>
            ſtralis, latus N Z priori oppoſitum, etiam duos habet polos, quo-
              <lb/>
            rum hic N eſt Boreus, alter Z Auſtralis: </s>
            <s xml:id="echoid-s3342" xml:space="preserve">penes eundem artificem
              <lb/>
            alius proſtat Magnes formæ oblongæ, Tab. </s>
            <s xml:id="echoid-s3343" xml:space="preserve">7. </s>
            <s xml:id="echoid-s3344" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s3345" xml:space="preserve">3. </s>
            <s xml:id="echoid-s3346" xml:space="preserve">in quo pri-
              <lb/>
            mum tres obſervabantur poli, unus B Boreus, erant M, M. </s>
            <s xml:id="echoid-s3347" xml:space="preserve">duo Meri-
              <lb/>
            dionales, Magnete autem diviſo ſectione F K, fragmentum A </s>
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