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-div407" type="section" level="1" n="407">
          <pb o="494" file="0508" n="508" rhead="INTRODUCTIO AD COHÆRENTIAM"/>
        </div>
        <div xml:id="echoid-div408" type="section" level="1" n="408">
          <head xml:id="echoid-head518" xml:space="preserve">EXPERIMENTUM XLVI.</head>
          <p>
            <s xml:id="echoid-s11561" xml:space="preserve">Santalum rubrum, in medio parallelopipedum quadrangulum
              <lb/>
            cujus quodlibet latus o, 25 pollicis, a libris 600 appenſis non dif-
              <lb/>
            fractum fuit, ſed ſpecies parallelopipedi extrahebatur ex
              <lb/>
            medio capitis craſſioris, quod findebatur.</s>
            <s xml:id="echoid-s11562" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div409" type="section" level="1" n="409">
          <head xml:id="echoid-head519" xml:space="preserve">EXPERIMENTUM XLVII.</head>
          <p>
            <s xml:id="echoid-s11563" xml:space="preserve">Factum fuit cum parallelopipedo Ligni Ebeni, cujus quodlibet
              <lb/>
            latus fuit 0, 25 pollicis, hoc penitus diffractum fuit a libris 800 in
              <lb/>
            oblongam abeundo feſtucam, pictam in Tab. </s>
            <s xml:id="echoid-s11564" xml:space="preserve">XXIII fig. </s>
            <s xml:id="echoid-s11565" xml:space="preserve">35.</s>
            <s xml:id="echoid-s11566" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11567" xml:space="preserve">Sunt hæc omnia Experimenta, quæ cum Lignis diverſis inſti-
              <lb/>
            tui, eodem modo explorari poſſunt reliqua omnia, ſi abſoluta re-
              <lb/>
            ſiſtentia eorum deſideratur: </s>
            <s xml:id="echoid-s11568" xml:space="preserve">Fuerunt hæc capta ſatis ſollicite, non
              <lb/>
            tamen dubito, quin ſi repetantur, aliquando diverſiſſimum eventum
              <lb/>
            exhibitura ſint: </s>
            <s xml:id="echoid-s11569" xml:space="preserve">nam prout Lignum in ſolo magis minusve aquoſo,
              <lb/>
            paludoſo, oleoſo, ſalſo concreverit, eo plus minusve tenax erit:
              <lb/>
            </s>
            <s xml:id="echoid-s11570" xml:space="preserve">prout in regione calidiori frigidiorive plantatum fuerit, eo etiam
              <lb/>
            plus minusve cohærebit: </s>
            <s xml:id="echoid-s11571" xml:space="preserve">prout annoſior truncus, teneriorve ramus
              <lb/>
            fuerit, ex quo præparatur id, quod experimento inſerviet, eo rigi-
              <lb/>
            dius flexiliusve erit Lignum, ſive fortius debiliusve: </s>
            <s xml:id="echoid-s11572" xml:space="preserve">prout eligitur
              <lb/>
            Lignum fibris quam rectiſſimis, aut flexuoſis concretum, iterum
              <lb/>
            Cohærentia diverſa obſervabitur: </s>
            <s xml:id="echoid-s11573" xml:space="preserve">quod ſemel monuiſſe ſufficit.</s>
            <s xml:id="echoid-s11574" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div410" type="section" level="1" n="410">
          <head xml:id="echoid-head520" xml:space="preserve">CAPUT TERTIUM.</head>
          <head xml:id="echoid-head521" style="it" xml:space="preserve">De Cohærentia Abſoluta Metallorum.</head>
          <p>
            <s xml:id="echoid-s11575" xml:space="preserve">Ut Metallorum firmitatem explorarem, confici ex iis curavi fi-
              <lb/>
            la cylindrica, ex quolibet Metallo quatuor, quorum diver-
              <lb/>
            ſa erat craſſities, ut non modo detegerem Cohærentiam Metalli
              <lb/>
            ſub craſſitie illius fili, ſed ſimul cognoſcerem an Metallorum firmi-
              <lb/>
            tas in ratione craſſitierum foret, an filum nempe duplo craſſius al-
              <lb/>
            tero, ex eodem præparatum Metallo, duplo majori firmitate </s>
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