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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[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)
[161.] EXPERIMENTUM CXXXIV.
Page: 272 (258)
[162.] EXPERIMENTUM CXXXV.
Page: 273 (259)
[163.] EXPERIMENTUM CXXXVI.
Page: 274 (260)
[164.] EXPERIMENTUM CXXXVII.
Page: 276 (262)
[165.] EXPERIMENTUM CXXXVIII.
Page: 279 (265)
[166.] EXPERIMENTUM CXXXIX.
Page: 279 (265)
[167.] EXPERIMENTUM CXL.
Page: 280 (266)
[168.] EXPERIMENTUM CXLI.
Page: 281 (267)
[169.] EXPERIMENTUM CXLII.
Page: 281 (267)
[170.] EXPERIMENTUM CXLIII.
Page: 281 (267)
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          <p>
            <s xml:id="echoid-s6403" xml:space="preserve">
              <pb o="267" file="0281" n="281" rhead="DE MAGNETE."/>
            quiſivit; </s>
            <s xml:id="echoid-s6404" xml:space="preserve">poſtea in aliis locis, ſed ſemper accedendo verſus me-
              <lb/>
            dium, flexiones inſtituens, auctas vires Magneticas deprehendit;
              <lb/>
            </s>
            <s xml:id="echoid-s6405" xml:space="preserve">Octo locis ita inſlexis fractura prior tantas nacta erat vires, ut
              <lb/>
            4 clavos ferreos elevaverit. </s>
            <s xml:id="echoid-s6406" xml:space="preserve">Taudem flexiones continuando a me-
              <lb/>
            dio Ferri uſque ad oppoſitum extremum, atque continuo vim u-
              <lb/>
            triuſque extremi examinando, fracturæ virtutem decreviſſe, incre-
              <lb/>
            ſcente eodem tempore illa alterius extremi deprehendit, donec poſt
              <lb/>
            plurimas flexiones in Ferri variis locis extremum acceperit vim ele-
              <lb/>
            vandi 4 clavos, ſuperficie fracturæ tum tantum capaci gerendi li-
              <lb/>
            maturæ particulas.</s>
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          </p>
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        <div xml:id="echoid-div168" type="section" level="1" n="168">
          <head xml:id="echoid-head178" xml:space="preserve">EXPERIMENTUM CXLI.</head>
          <p>
            <s xml:id="echoid-s6408" xml:space="preserve">Si Filum ferreum in medio aliquoties flectatur, ejus ambo extre-
              <lb/>
            ma non nanciſcuntur vim manifeſtam: </s>
            <s xml:id="echoid-s6409" xml:space="preserve">concipiantur a medio Ferri
              <lb/>
            verſus utrumque extremum notæ æquali intervallo a ſe diſtantes,
              <lb/>
            atque Ferrum inflecti in duabus notis medio æqualiter utrimque re-
              <lb/>
            motis, atque ab eo incipiendo; </s>
            <s xml:id="echoid-s6410" xml:space="preserve">tum ambo Ferri extrema vim ac-
              <lb/>
            quirent, ſed debiliorem, quam ſi omnes flexiones ab una parte me-
              <lb/>
            dii factæ fuiſſent, imo tam debilis utriuſque extremitatis vis erit,
              <lb/>
            ut non adæquet {1/3} vel {1/4} illius, quam habuiſſet, factis flexionibus ab
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            una dimidia parte Ferri.</s>
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          </p>
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        <div xml:id="echoid-div169" type="section" level="1" n="169">
          <head xml:id="echoid-head179" xml:space="preserve">EXPERIMENTUM CXLII.</head>
          <p>
            <s xml:id="echoid-s6412" xml:space="preserve">Si Filum ferreum variis inflexionibus acceperit in alterutro ex-
              <lb/>
            tremo vim notabilem attractricem, deinde autem in aliis adhuc lo-
              <lb/>
            cis, inter idem extremum & </s>
            <s xml:id="echoid-s6413" xml:space="preserve">notam mediam intermediis, inflecta-
              <lb/>
            tur, non augebitur vis attractrix ejuſdem extremi, ſed potius de-
              <lb/>
            ſtruetur, quemadmodum ſupra annotavi vim fili Magneti affricti & </s>
            <s xml:id="echoid-s6414" xml:space="preserve">
              <lb/>
            deinde aliquoties inflexi, perire.</s>
            <s xml:id="echoid-s6415" xml:space="preserve"/>
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        <div xml:id="echoid-div170" type="section" level="1" n="170">
          <head xml:id="echoid-head180" xml:space="preserve">EXPERIMENTUM CXLIII.</head>
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            <s xml:id="echoid-s6416" xml:space="preserve">Tab. </s>
            <s xml:id="echoid-s6417" xml:space="preserve">9. </s>
            <s xml:id="echoid-s6418" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s6419" xml:space="preserve">4. </s>
            <s xml:id="echoid-s6420" xml:space="preserve">Memorandum quoque eſt paradoxon quomodo
              <lb/>
            Ferrum, vario tuſum ope Mallei modo, vim Magneticam </s>
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