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-div481" type="section" level="1" n="481">
          <pb o="544" file="0560" n="561" rhead="INTRODUCTIO AD COHÆRENTIAM"/>
        </div>
        <div xml:id="echoid-div482" type="section" level="1" n="482">
          <head xml:id="echoid-head594" xml:space="preserve">EXPERIMENTUM CLXXI.</head>
          <p>
            <s xml:id="echoid-s12830" xml:space="preserve">Parallelopipedum Ulmi altum 0, 52. </s>
            <s xml:id="echoid-s12831" xml:space="preserve">pollic. </s>
            <s xml:id="echoid-s12832" xml:space="preserve">ad diſtantiam 8 pol-
              <lb/>
            lic. </s>
            <s xml:id="echoid-s12833" xml:space="preserve">a foramine fractum fuit a libris 9 {1/4}.</s>
            <s xml:id="echoid-s12834" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s12835" xml:space="preserve">Obſervamus in his quatuor Experimentis Cohærentiam eſſe in
              <lb/>
            majori proportione, quam quæ eſt duplicata altitudinum; </s>
            <s xml:id="echoid-s12836" xml:space="preserve">quod
              <lb/>
            etiam poſtea deprehendi in Experimentis ab CXCII ad CXCVI. </s>
            <s xml:id="echoid-s12837" xml:space="preserve">ecce
              <lb/>
            enim in Tabella numeros calculo erutos, qui exprimerent Cohæ-
              <lb/>
            rentiam in altitudinis duplicata ratione.</s>
            <s xml:id="echoid-s12838" xml:space="preserve"/>
          </p>
          <note position="right" xml:space="preserve">
            <lb/>
          Altitudines lignorum # 25. # 35. # 43. # 52.
            <lb/>
          Altitudinum quadrata # 625. # 1225. # 1849. # 2704.
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          Cohærentiæ in Experim. # 1 {113/128}. # 3 {23/32}. # 5 {89/128}. # 9 {1/4}.
            <lb/>
          Cohærentiæ ſecundum Calcul. # 1 {113/128}. # 2 {2209/3200}. # 5 {45609/80000}. # 8 {11664/80000}.
            <lb/>
          </note>
          <p>
            <s xml:id="echoid-s12839" xml:space="preserve">In ſuperioribus Experimentis dabantur Cohærentiæ Ligni Quer-
              <lb/>
            cici in minori proportione quam altitudinum duplicata, quare ali-
              <lb/>
            quando exceſſus ſupra hanc proportionem datur, aliquando defe-
              <lb/>
            ctus ab eadem, quod ab admiranda fibrarum flexilitate diverſa pen-
              <lb/>
            dere videtur: </s>
            <s xml:id="echoid-s12840" xml:space="preserve">Erant adhuc ad manus duo parallelopipeda ejuſdem
              <lb/>
            Ligni Ulmi, ſed quorum baſes erant quadratæ, cum quibus Expe-
              <lb/>
            rimenta cepi ſequentia.</s>
            <s xml:id="echoid-s12841" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div483" type="section" level="1" n="483">
          <head xml:id="echoid-head595" xml:space="preserve">EXPERIMENTUM CLXXII.</head>
          <p>
            <s xml:id="echoid-s12842" xml:space="preserve">Parallelopipedum Ulmi 0, 35 poll. </s>
            <s xml:id="echoid-s12843" xml:space="preserve">altum & </s>
            <s xml:id="echoid-s12844" xml:space="preserve">latum ad diſtantiam
              <lb/>
            8 pollic. </s>
            <s xml:id="echoid-s12845" xml:space="preserve">a foramine frangebatur a libris 6 {1/2}.</s>
            <s xml:id="echoid-s12846" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div484" type="section" level="1" n="484">
          <head xml:id="echoid-head596" xml:space="preserve">EXPERIMENTUM CLXXIII.</head>
          <p>
            <s xml:id="echoid-s12847" xml:space="preserve">Aliud parallelopipedum Ulmi, 0, 43 pollic, altum & </s>
            <s xml:id="echoid-s12848" xml:space="preserve">latum, ad
              <lb/>
            diſtantiam 9 pollic. </s>
            <s xml:id="echoid-s12849" xml:space="preserve">a foramine frangebatur ab appenſis libris 10.
              <lb/>
            </s>
            <s xml:id="echoid-s12850" xml:space="preserve">adeoque ad diſtantiam 8 pollicum geſtaſſet libras 11 {1/4}.</s>
            <s xml:id="echoid-s12851" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s12852" xml:space="preserve">Ex quibus binis Experimentis tamen ſequeretur, Cohærentiam
              <lb/>
            non fuiſſe in ratione tam alta, quæ eſt duplicata altitudinum & </s>
            <s xml:id="echoid-s12853" xml:space="preserve">
              <lb/>
            ſimplici latitudinum, quippe tum parallelopipedum </s>
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