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

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        <div xml:id="echoid-div412" type="section" level="1" n="412">
          <p>
            <s xml:id="echoid-s11633" xml:space="preserve">
              <pb o="497" file="0511" n="511" rhead="CORPORUM FIRMORUM."/>
            quam libras 190, minus quam 200, antequam rumpebatur atte-
              <lb/>
            nuatum fuit, ita ut diametrum habuerit 0, 08 pollicis, prope fracturam
              <lb/>
            induit formam coni truncati ſuperficies fracturæ fuit obliqua,
              <lb/>
            etiamſi transverſa, paulum elliptica, ejusque diametri erant proxime
              <lb/>
            0, 075 pollicis, non enim abſolute diametros determinare poteram.</s>
            <s xml:id="echoid-s11634" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div413" type="section" level="1" n="413">
          <head xml:id="echoid-head524" xml:space="preserve">EXPERIMENTUM L.</head>
          <p>
            <s xml:id="echoid-s11635" xml:space="preserve">Filum Cylindricum craſſitiei C, Cupri ejuſdem rubri, ruptum
              <lb/>
            fuit a libris 129 {1/4}, multum elongatum fuit antequam rumpebatur,
              <lb/>
            unde quoque ſimul attenuatum, ut acceperit diametrum 0, 06 pollicis,
              <lb/>
            fracturæ diameter tamen modo fuit 0, 04 pollicis, nam a fractura
              <lb/>
            ad diſtantiam unius lineæ conus truncatus formatus fuit.</s>
            <s xml:id="echoid-s11636" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div414" type="section" level="1" n="414">
          <head xml:id="echoid-head525" xml:space="preserve">EXPERIMENTUM LI.</head>
          <p>
            <s xml:id="echoid-s11637" xml:space="preserve">Filum ejuſdem Cupri rubri craſſitiei D, ruptum fuit ab appenſis
              <lb/>
            ſenſim libris 79 {1/4}, elongatum interim & </s>
            <s xml:id="echoid-s11638" xml:space="preserve">attenuatum fuit, ut modo
              <lb/>
            retinuerit diametrum 0, 0 45 pollicis, diameter fracturæ modo fuit
              <lb/>
            0, 03 pollicis, nam ad diſtantiam unius lineæ â fractura abierat
              <lb/>
            in conum truncatum.</s>
            <s xml:id="echoid-s11639" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11640" xml:space="preserve">In his quatuor Experimentis præterea notandum, hæc fila non rupta
              <lb/>
            fuiſſe in loco aliquo medio inter ambos uncos, ſed ſemper ubiattige-
              <lb/>
            gerant ſty lum ſive pinnam ferream, circa quam circumvoluta fue-
              <lb/>
            rant, erantque ob preſſionem contra eandem paulum applanata.</s>
            <s xml:id="echoid-s11641" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11642" xml:space="preserve">Examinemus nunc an Cohærentiæ filorum fuerint accurate in
              <lb/>
            ratione craſſitierum ante inſtitutum Experimentum, an in ratione
              <lb/>
            craſſitierum poſt inſtitutum Experimentum, an in ratione magni-
              <lb/>
            tudinis fracturæ?</s>
            <s xml:id="echoid-s11643" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11644" xml:space="preserve">Si Cohærentiæ eſſent in ratione craſſitierum ante Experimentum,
              <lb/>
            debuiſſent eſſe hæ, pro A 299 {1/4}. </s>
            <s xml:id="echoid-s11645" xml:space="preserve">pro B 224 {7/16}. </s>
            <s xml:id="echoid-s11646" xml:space="preserve">pro C 149 {5/8}. </s>
            <s xml:id="echoid-s11647" xml:space="preserve">pro D 74 {13/16}.</s>
            <s xml:id="echoid-s11648" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11649" xml:space="preserve">Si in ratione craſſitierum poſt Experimentum, fuiſſent hæ, pro
              <lb/>
            A 299 {1/4}. </s>
            <s xml:id="echoid-s11650" xml:space="preserve">pro B 236 {4/9}. </s>
            <s xml:id="echoid-s11651" xml:space="preserve">pro C 133. </s>
            <s xml:id="echoid-s11652" xml:space="preserve">pro D 74 {1113/1296}. </s>
            <s xml:id="echoid-s11653" xml:space="preserve">magnitudines fractu-
              <lb/>
            rarum conſiderari nequeunt, cum fractura fili B major fuerit quam
              <lb/>
            A, adeoque B plus ponderis geſtare debuiſſet, tenuius fuiſſet te-
              <lb/>
            nacius craſſiori, quod eſt abſurdum: </s>
            <s xml:id="echoid-s11654" xml:space="preserve">Verum ambæ </s>
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