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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[651.] EXPERIMENTUM CCXXXVI.
[652.] EXPERIMENTUM CCXXXVII.
[653.] EXPERIMENTUM CCXXXVIII.
[654.] EXPERIMENTUM CCXXXIX.
[655.] EXPERIMENTUM CCXL.
[656.] EXPERIMENTUM CCXLI.
[657.] EXPERIMENTUM CCXLII.
[658.] EXPERIMENTUM CCXLIII.
[659.] PROPOSITIO CXVIII.
[660.] PROPOSITIO CXIX.
[661.] Regula prima.
[662.] Regula Secunda.
[663.] Regula Tertia.
[664.] TABULA
[665.] CAPUT DECIMUM. Tentamen de corporum Duritie.
[666.] EPHEMERIDES METEOROLOGICÆ ULTRAJECTINÆ ANNI MDCCXXVIII.
[667.] FINIS.
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        <div xml:id="echoid-div623" type="section" level="1" n="623">
          <pb o="641" file="0657" n="658" rhead="CORPORUM FIRMORUM."/>
          <p>
            <s xml:id="echoid-s16280" xml:space="preserve">Primo obſervamus in comparatis his binis Experimentis Cohæ-
              <lb/>
            rentiam non eſſe in ratione compoſita ex duplicata altitudinis & </s>
            <s xml:id="echoid-s16281" xml:space="preserve">
              <lb/>
            ſimplici latitudinis, quippe tum parallelopipedum 0, 50 poll. </s>
            <s xml:id="echoid-s16282" xml:space="preserve">altum
              <lb/>
            latumque debuiſſet ſuſtinere libras 87 {1354/1408}, cum ruptum fuerit a
              <lb/>
            libris 62. </s>
            <s xml:id="echoid-s16283" xml:space="preserve">adeoque aberratio a regula ſuperius aſſumta hic datur ingens.</s>
            <s xml:id="echoid-s16284" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16285" xml:space="preserve">Secundo ſi comparemus Experimentum CCII. </s>
            <s xml:id="echoid-s16286" xml:space="preserve">cum Exp, CCIX.
              <lb/>
            </s>
            <s xml:id="echoid-s16287" xml:space="preserve">ingentem diſcrepantiam, inter utramque Cohærentiam corporis
              <lb/>
            libere fulcris impoſiti, & </s>
            <s xml:id="echoid-s16288" xml:space="preserve">utrimque foraminibus incluſi, notamus,
              <lb/>
            nam parallelopipedum Exp. </s>
            <s xml:id="echoid-s16289" xml:space="preserve">CCIX, ſi utrimque fulcro libere fuiſſet
              <lb/>
            impoſitum, ex medio ſui tantum geſtaſſet pondus libr. </s>
            <s xml:id="echoid-s16290" xml:space="preserve">22 {12034/21853}. </s>
            <s xml:id="echoid-s16291" xml:space="preserve">ſed
              <lb/>
            tulit libras 49. </s>
            <s xml:id="echoid-s16292" xml:space="preserve">plus; </s>
            <s xml:id="echoid-s16293" xml:space="preserve">adeoque ultra duplo majorem gravitatem. </s>
            <s xml:id="echoid-s16294" xml:space="preserve">Et
              <lb/>
            ſi comparemus Experimentum CCIII. </s>
            <s xml:id="echoid-s16295" xml:space="preserve">cum Exp. </s>
            <s xml:id="echoid-s16296" xml:space="preserve">CCX. </s>
            <s xml:id="echoid-s16297" xml:space="preserve">notamus, ſi
              <lb/>
            hoc parallelopipedum libere utrimque fulcris fuiſſet impoſitum, tan-
              <lb/>
            tum id geſtare potuiſſe libr. </s>
            <s xml:id="echoid-s16298" xml:space="preserve">39, {713/1033}. </s>
            <s xml:id="echoid-s16299" xml:space="preserve">cum tamen a foraminibus ex-
              <lb/>
            ceptum tulerit libr. </s>
            <s xml:id="echoid-s16300" xml:space="preserve">62. </s>
            <s xml:id="echoid-s16301" xml:space="preserve">quod pondus non eſt duplum prioris,
              <lb/>
            quamobrem inter hæc Experimenta magna regnat anomalia, veluti
              <lb/>
            in omnibus deſcribendis infra quoque deprehendi.</s>
            <s xml:id="echoid-s16302" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div624" type="section" level="1" n="624">
          <head xml:id="echoid-head744" xml:space="preserve">EXPERIMENTUM CCXI.</head>
          <p>
            <s xml:id="echoid-s16303" xml:space="preserve">Parallelopipedum Ulmi, cujus quodlibet latus erat 0, 35 pollic.
              <lb/>
            </s>
            <s xml:id="echoid-s16304" xml:space="preserve">fractum fuit a libris 34 ex ſui medio pendentibus.</s>
            <s xml:id="echoid-s16305" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div625" type="section" level="1" n="625">
          <head xml:id="echoid-head745" xml:space="preserve">EXPERIMENTUM CCXII.</head>
          <p>
            <s xml:id="echoid-s16306" xml:space="preserve">Parallelopipedum Ulmi, cujus quodlibet latus fuit 0, 42 pollic.
              <lb/>
            </s>
            <s xml:id="echoid-s16307" xml:space="preserve">fractum fuit a libris 68 ex medio applicatis.</s>
            <s xml:id="echoid-s16308" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16309" xml:space="preserve">Comparando iterum hæc Experimenta inter ſe notamus, Cohæ-
              <lb/>
            rentiam non dari in ratione compoſita ex ſimplici latitudinis & </s>
            <s xml:id="echoid-s16310" xml:space="preserve">dupli-
              <lb/>
            cata altitudinis, quoniam tum Cohærentia Exper. </s>
            <s xml:id="echoid-s16311" xml:space="preserve">CCXII. </s>
            <s xml:id="echoid-s16312" xml:space="preserve">obſervan-
              <lb/>
            da fuiſſet libr. </s>
            <s xml:id="echoid-s16313" xml:space="preserve">58 {32042/42875}, quæ fuit libr. </s>
            <s xml:id="echoid-s16314" xml:space="preserve">68. </s>
            <s xml:id="echoid-s16315" xml:space="preserve">adeoque major.</s>
            <s xml:id="echoid-s16316" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16317" xml:space="preserve">Et comparando Experimentum CXCIII. </s>
            <s xml:id="echoid-s16318" xml:space="preserve">cum CCXI. </s>
            <s xml:id="echoid-s16319" xml:space="preserve">apparet pa-
              <lb/>
            rallelopipedum Exp. </s>
            <s xml:id="echoid-s16320" xml:space="preserve">CCXI. </s>
            <s xml:id="echoid-s16321" xml:space="preserve">fulcris libere impoſitum ex ſui medio pon-
              <lb/>
            dus laturum librarum 9 {13475/31850}. </s>
            <s xml:id="echoid-s16322" xml:space="preserve">quod exceptum utrimque a foramini-
              <lb/>
            bus ex medio tulit libras 34. </s>
            <s xml:id="echoid-s16323" xml:space="preserve">adeoque ultra triplo plus.</s>
            <s xml:id="echoid-s16324" xml:space="preserve"/>
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