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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[391.] EXPERIMENTUM XXIX.
Page: 504 (490)
[392.] EXPERIMENTUM XXX.
Page: 504 (490)
[393.] EXPERIMENTUM XXXI.
Page: 505 (491)
[394.] EXPERIMENTUM XXXII.
Page: 505 (491)
[395.] EXPERIMENTUM XXXIII.
Page: 505 (491)
[396.] EXPERIMENTUM XXXIV.
Page: 505 (491)
[397.] EXPERIMENTUM XXXV.
Page: 505 (491)
[398.] EXPERIMENTUM XXXVI.
Page: 506 (492)
[399.] EXPERIMENTUM XXXVII.
Page: 506 (492)
[400.] EXPERIMENTUM XXXVIII.
Page: 506 (492)
[401.] EXPERIMENTUM XXXIX.
Page: 506 (492)
[402.] EXPERIMENTUM XL.
Page: 506 (492)
[403.] EXPERIMENTUM XLI.
Page: 507 (493)
[404.] EXPERIMENTUM XLII.
Page: 507 (493)
[405.] EXPERIMENTUM XLIII.
Page: 507 (493)
[406.] EXPERIMENTUM XLIV.
Page: 507 (493)
[407.] EXPERIMENTUM XLV.
Page: 507 (493)
[408.] EXPERIMENTUM XLVI.
Page: 508 (494)
[409.] EXPERIMENTUM XLVII.
Page: 508 (494)
[410.] CAPUT TERTIUM. De Cohærentia Abſoluta Metallorum.
Page: 508 (494)
[411.] EXPERIMENTUM XLVIII.
Page: 510 (496)
[412.] EXPERIMENTUM XLIX.
Page: 510 (496)
[413.] EXPERIMENTUM L.
Page: 511 (497)
[414.] EXPERIMENTUM LI.
Page: 511 (497)
[415.] EXPERIMENTUM LII.
Page: 512 (498)
[416.] EXPERIMENTUM LIII.
Page: 512 (498)
[417.] EXPERIMENTUM LIV.
Page: 513 (499)
[418.] EXPERIMENTUM LV.
Page: 513 (499)
[419.] EXPERI MENTUM LVI.
Page: 513 (499)
[420.] EXPERIMENTUM LVII.
Page: 513 (499)
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              <pb o="498" file="0512" n="512" rhead="INTRODUCTIO AD COHÆRENTIAM"/>
            abludunt ab Experimentis, aliquando calculus majorem indicat fo-
              <lb/>
            re Cohærentiam quam fuit obſervata; </s>
            <s xml:id="echoid-s11655" xml:space="preserve">aliquando minorem ſuppe-
              <lb/>
            dat: </s>
            <s xml:id="echoid-s11656" xml:space="preserve">arbitror hoc evenire, quia Metallum non eſt adeo homoge-
              <lb/>
            neum, quam nudo viſui apparet, ſed conſtat hinc inde partibus
              <lb/>
            magis minusve cohærentibus, vel quoniam hinc inde plus Sulphu-
              <lb/>
            ris, Salis, aut Mercurii poſitum eſt, quod impedit quominus
              <lb/>
            æquabilis firmitas detur; </s>
            <s xml:id="echoid-s11657" xml:space="preserve">adeoque ex hiſce Experimentis diſcimus,
              <lb/>
            Cohærentiam Cupri non ſequi accurate craſſitiem, unde ſi de-
              <lb/>
            ſideretur Machina quæcunque ex hoc Metallo, ex qua data
              <lb/>
            gravitas eſt ſuſpendenda, craſſius ſumendum erit Metallum, quam
              <lb/>
            calculus indicaret. </s>
            <s xml:id="echoid-s11658" xml:space="preserve">veluti ſi pondus 10000 librar. </s>
            <s xml:id="echoid-s11659" xml:space="preserve">ſuſpendendum fo-
              <lb/>
            ret ex filo Cupreo, ope calculi determinaretur fili craſſities, quæ
              <lb/>
            eſſet proxime æqualis 34 lineis cylindricis, ſed obſervata Cohæ-
              <lb/>
            rentiæ inæqualitate filum craſſius ſumendum eſſet, quod ſi foret
              <lb/>
            40 linearum cylindricarum, tuto pondus datum abſque rupturæ me-
              <lb/>
            tu geſtaret.</s>
            <s xml:id="echoid-s11660" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11661" xml:space="preserve">Ex comparatis tamen aliorum Metallorum Cohærentiis videtur
              <lb/>
            colligendum, potius attendendum eſſe ad craſſitiem filorum ante
              <lb/>
            inſtitutum Experimentum, quam ad eam poſtea relictam, quia
              <lb/>
            proportiones eventuum propius ad illas craſſities appropinquant,
              <lb/>
            quam ad has.</s>
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          <head xml:id="echoid-head526" xml:space="preserve">EXPERIMENTUM LII.</head>
          <p>
            <s xml:id="echoid-s11663" xml:space="preserve">Filum craſſitiei A ex Orichalco, ſive Cupro Calaminari ab ap-
              <lb/>
            penſis lente & </s>
            <s xml:id="echoid-s11664" xml:space="preserve">ſucceſſive libris 360. </s>
            <s xml:id="echoid-s11665" xml:space="preserve">fractum fuit; </s>
            <s xml:id="echoid-s11666" xml:space="preserve">antequam rum-
              <lb/>
            pebatur fuit plurimum elongatum & </s>
            <s xml:id="echoid-s11667" xml:space="preserve">attenuatum, ut modo reti-
              <lb/>
            nuerit diametrum 0, 08 pollicis, ſuperficies fracturæ fuit admodum
              <lb/>
            aſpera & </s>
            <s xml:id="echoid-s11668" xml:space="preserve">inæqualis, diametri 0, 075 pollicis, pars anterior abierat
              <lb/>
            quidem in conum, ſed vix viſibilem.</s>
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          </p>
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        <div xml:id="echoid-div416" type="section" level="1" n="416">
          <head xml:id="echoid-head527" xml:space="preserve">EXPERIMENTUM LIII.</head>
          <p>
            <s xml:id="echoid-s11670" xml:space="preserve">Filum ex Orichalco craſſitiei B, fractum fuit â libris 260; </s>
            <s xml:id="echoid-s11671" xml:space="preserve">an-
              <lb/>
            tequam frangebatur, valde elongatum fuit, unde fracturâ factâ erat
              <lb/>
            modo craſſities 0, 07 pollicis in diametro; </s>
            <s xml:id="echoid-s11672" xml:space="preserve">fracturæ aſperæ </s>
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