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-div573" type="section" level="1" n="573">
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            <s xml:id="echoid-s15295" xml:space="preserve">
              <pb o="612" file="0628" n="629" rhead="INTRODUCTIO AD COHÆRENTIAM"/>
            æquale ponderi C, applicato ejus dimidiæ longitudini C B ad ean-
              <lb/>
            dem Cohærentiam D B ſuperandam.</s>
            <s xml:id="echoid-s15296" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s15297" xml:space="preserve">Ne aliquis ſuperſtes maneret ſcrupulus Experimento rem ulterius
              <lb/>
            confirmandam judicavi.</s>
            <s xml:id="echoid-s15298" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div574" type="section" level="1" n="574">
          <head xml:id="echoid-head692" xml:space="preserve">EXPERIMENTUM CLXXXVI.</head>
          <p>
            <s xml:id="echoid-s15299" xml:space="preserve">Sumtum fuit parallelopipedum Quercicum ABC, cujus quodli-
              <lb/>
            bet latus erat 0, 11 pollic. </s>
            <s xml:id="echoid-s15300" xml:space="preserve">Rhenol:</s>
            <s xml:id="echoid-s15301" xml:space="preserve">, in quo aliqua intermedia lon-
              <lb/>
            gitudo ABC ſumebatur 16 pollicum: </s>
            <s xml:id="echoid-s15302" xml:space="preserve">prominente utrimque æquali
              <lb/>
            portione pro Experimento ſequenti, impoſitum fuit hypomochlio
              <lb/>
            priſmatico D in medio, fractumque fuit in D B ab appenſis utrim-
              <lb/>
            quein A & </s>
            <s xml:id="echoid-s15303" xml:space="preserve">C ponderibus librarum 2. </s>
            <s xml:id="echoid-s15304" xml:space="preserve">Unciarum 15, drachmæ unius:
              <lb/>
            </s>
            <s xml:id="echoid-s15305" xml:space="preserve">Deinde ejuſdem ligni portionem B C immiſi foramini quadrato ma-
              <lb/>
            chinæ divulſoriæ, ita ut emineret 8 pollic: </s>
            <s xml:id="echoid-s15306" xml:space="preserve">parsubipondus applicaba-
              <lb/>
            tur, fractumque fuit ad oram foraminis a libris 3, uncia 1, drach-
              <lb/>
            mis 2. </s>
            <s xml:id="echoid-s15307" xml:space="preserve">Quod pondus quidem eſt paulo majus quam dimidium
              <lb/>
            præcedentis ſummæ, ſed hoc fit, quia foramini aliquouſque im-
              <lb/>
            mittendum fuit B C, ſoletque a partibus immiſſis reſiſtentia quoque
              <lb/>
            exerceri uti pluribus Experimentis poſtea liquebit in Cap. </s>
            <s xml:id="echoid-s15308" xml:space="preserve">VII: </s>
            <s xml:id="echoid-s15309" xml:space="preserve">& </s>
            <s xml:id="echoid-s15310" xml:space="preserve">
              <lb/>
            VIII. </s>
            <s xml:id="echoid-s15311" xml:space="preserve">memorandis: </s>
            <s xml:id="echoid-s15312" xml:space="preserve">ſecundum Fabry demonſtrationem debuiſſet
              <lb/>
            pondus applicatum ad C, quo flecteretur uſque in DF, eſſe libra,
              <lb/>
            rum 5. </s>
            <s xml:id="echoid-s15313" xml:space="preserve">unciarum 14. </s>
            <s xml:id="echoid-s15314" xml:space="preserve">drachmarum 2. </s>
            <s xml:id="echoid-s15315" xml:space="preserve">a quo pondus in Experimento
              <lb/>
            procul abfuit.</s>
            <s xml:id="echoid-s15316" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div575" type="section" level="1" n="575">
          <head xml:id="echoid-head693" xml:space="preserve">PROPOSITIO XCV.</head>
          <p style="it">
            <s xml:id="echoid-s15317" xml:space="preserve">Tab. </s>
            <s xml:id="echoid-s15318" xml:space="preserve">XXVII. </s>
            <s xml:id="echoid-s15319" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s15320" xml:space="preserve">2. </s>
            <s xml:id="echoid-s15321" xml:space="preserve">Si Solidum ABbC non fulciatur in medio
              <lb/>
            d, ſed in alio loco quocunque D propioriextremo A, & </s>
            <s xml:id="echoid-s15322" xml:space="preserve">potentia appli-
              <lb/>
            cata in C æquilibrium modo agat cum potentia A, erit potentia
              <lb/>
            in A frangens ſolidum ſupra fulcrum poſitum in D, ad eam, quæ
              <lb/>
            frangebat idem ſolidum ſupra fulcrum d, uti A d ad A D.</s>
            <s xml:id="echoid-s15323" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s15324" xml:space="preserve">Quoniam potentia C ſupponitur ſemper tanta, ut deprimendo
              <lb/>
            partem b C vel B C æquilibrium agat cum potentia applicata in A,
              <lb/>
            idem agit ac paries firmus, in cujus foramine poſitum ſolidum reti-
              <lb/>
            nebatur, adeoque poſito ſolido A B in foramine, ex quo </s>
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