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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              <pb o="490" file="0504" n="504" rhead="INTRODUCTIO AD COHÆRENTIAM"/>
            pollicis, appenſis libris 550 extractum fuit parallelopipedum ex
              <lb/>
            capite craſſiori, inſtar gladii ex vagina adlongitudinem {1/2} pollicis,
              <lb/>
            ibidemque in theca diffractum fuit.</s>
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          </p>
        </div>
        <div xml:id="echoid-div389" type="section" level="1" n="389">
          <head xml:id="echoid-head499" xml:space="preserve">EXPERIMENTUM XXVII.</head>
          <p>
            <s xml:id="echoid-s11461" xml:space="preserve">Lignum Piceæ, (vulgo dictum Greynenhout) in medio cylindri-
              <lb/>
            cum diametri 0, 26 pollic. </s>
            <s xml:id="echoid-s11462" xml:space="preserve">ſuſtinuit libras 850. </s>
            <s xml:id="echoid-s11463" xml:space="preserve">tum cylindrus, ejus-
              <lb/>
            dem craſſi tiei cum medio, extractus fuit ex capite craſſiori ad lon-
              <lb/>
            gitudinem 4 pollicum. </s>
            <s xml:id="echoid-s11464" xml:space="preserve">Examinans accurate Lignum tum hujus,
              <lb/>
            tum præcedentis Experimenti, nullam obſervare potui differentiam
              <lb/>
            aut in ductu, aut in propinquitate fibrarum Lignum componentium-
              <lb/>
            unum tamen altero tenacius videtur fuiſſe, quod unum altero an-
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            noſius fuerit.</s>
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          </p>
        </div>
        <div xml:id="echoid-div390" type="section" level="1" n="390">
          <head xml:id="echoid-head500" xml:space="preserve">EXPERIMENTUM XXVIII.</head>
          <p>
            <s xml:id="echoid-s11466" xml:space="preserve">Factum fuit cum Pruno, cujus medium cylindricum diametri
              <lb/>
            erat 0, 25 pollicis, id diffractum fuit penitus ab appenſis libris 600,
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            nequeabiit in longas feſtucas, fracturam exhibet Tab. </s>
            <s xml:id="echoid-s11467" xml:space="preserve">XXII. </s>
            <s xml:id="echoid-s11468" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s11469" xml:space="preserve">21.</s>
            <s xml:id="echoid-s11470" xml:space="preserve"/>
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        </div>
        <div xml:id="echoid-div391" type="section" level="1" n="391">
          <head xml:id="echoid-head501" xml:space="preserve">EXPERIMENTUM XXIX.</head>
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            <s xml:id="echoid-s11471" xml:space="preserve">Factum fuit cum parallelopipedo ex eodem Ligno Pruni, cujus
              <lb/>
            quodlibet latus fuit 0, 25 pollic. </s>
            <s xml:id="echoid-s11472" xml:space="preserve">diffractum fuit penitus, ſed in craſſiori
              <lb/>
            parallelopipedo ad profunditatem 3 linearum, appenſas geſſit libras
              <lb/>
            550, in loco rupturæ, nec in toto ligno ulla heterogeneitas ap-
              <lb/>
            paruit, neque ulla ratio, ob quam potius in hoc loco quam in ullo
              <lb/>
            alio abruptum fuerit.</s>
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          </p>
        </div>
        <div xml:id="echoid-div392" type="section" level="1" n="392">
          <head xml:id="echoid-head502" xml:space="preserve">EXPERIMENTUM XXX.</head>
          <p>
            <s xml:id="echoid-s11474" xml:space="preserve">Huic inſerviit Lignum Pomi, in medio cylindricum, & </s>
            <s xml:id="echoid-s11475" xml:space="preserve">diame-
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            tri 0, 25 pollicis, hoc transverſe penitus diffractum fuit a libris
              <lb/>
            500; </s>
            <s xml:id="echoid-s11476" xml:space="preserve">non abeundo in feſtucas, fracturam vide in Tab. </s>
            <s xml:id="echoid-s11477" xml:space="preserve">XXI.
              <lb/>
            </s>
            <s xml:id="echoid-s11478" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s11479" xml:space="preserve">22.</s>
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