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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[491.] EXPERIMENTUM CLXXX.
Page: 564 (547)
[492.] EXPERIMENTUM CLXXXI.
Page: 564 (547)
[493.] EXPERIMENTUM CLXXXII.
Page: 564 (547)
[494.] EXPERIMENTUM CLXXXIII.
Page: 564 (547)
[495.] PROPOSITIO XIX.
Page: 565 (548)
[496.] PROPOSITIO XX.
Page: 566 (549)
[497.] PROPOSITIO XXI.
Page: 567 (550)
[498.] EXPERIMENTUM CLXXXIV.
Page: 568 (551)
[499.] PROPOSITIO XXII.
Page: 568 (551)
[500.] Pro Corporibus Flexibilibus.
Page: 569 (552)
[501.] PROPOSITIO XXIII.
Page: 569 (552)
[502.] PROPOSITIO XXIV.
Page: 570 (553)
[503.] PROPOSITIO XXV.
Page: 571 (554)
[504.] PROPOSITIO XXVI.
Page: 571 (554)
[505.] PROPOSITIO XXVII.
Page: 572 (555)
[506.] PROPOSITIO XXVIII.
Page: 574 (557)
[507.] PROPOSITIO XXIX.
Page: 574 (557)
[508.] PROPOSITIO XXX.
Page: 576 (559)
[509.] PROPOSITIO XXXI.
Page: 576 (559)
[510.] PROPOSITIO XXXII.
Page: 578 (561)
[511.] PROPOSITIO XXXIII.
Page: 579 (562)
[512.] PROPOSITIO XXXIV.
Page: 579 (562)
[513.] PROPOSITIO XXXV.
Page: 580 (563)
[514.] PROPOSITIO XXXVI.
Page: 581 (564)
[515.] PROPOSITIO XXXVII.
Page: 583 (566)
[516.] PROPOSITIO XXXVIII.
Page: 583 (566)
[517.] PROPOSITIO XXXIX.
Page: 584 (567)
[518.] PROPOSITIO XL.
Page: 584 (567)
[519.] PROPOSITIO XLI.
Page: 584 (567)
[520.] PROPOSITIO XLII.
Page: 585 (568)
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            <s xml:id="echoid-s11221" xml:space="preserve">
              <pb o="482" file="0496" n="496" rhead="INTRODUCTIO AD COHÆRENTIAM"/>
            methodumque ea examinandi operæ pretium erit, cum poſt varia ten-
              <lb/>
            tamina modo inciderim in eam, quæ minimis difficultatibus ſubjici-
              <lb/>
            tur: </s>
            <s xml:id="echoid-s11222" xml:space="preserve">primum ligna deſcribam, quæ ſecundum longitudinem ſive fibra-
              <lb/>
            rum ductum examinavi, ut Cohærentiam eorum abiolutam experirer:
              <lb/>
            </s>
            <s xml:id="echoid-s11223" xml:space="preserve">omnia Ligna ex aſſere craſſo ſecundum longitudinem fiſſo facta
              <lb/>
            fuerunt, ut fibræ tam recte decurrerent, quantum genium cujus-
              <lb/>
            vis Ligni permittebat; </s>
            <s xml:id="echoid-s11224" xml:space="preserve">niſi enim hoc religioſe obſervetur, nunquam
              <lb/>
            experimento conſidi poteſt; </s>
            <s xml:id="echoid-s11225" xml:space="preserve">præterea quodlibet lignum electum
              <lb/>
            fuit in ſuâ ſpecie bonum, firmum, modice ſiccum, abs-
              <lb/>
            que nodis: </s>
            <s xml:id="echoid-s11226" xml:space="preserve">formâ donabatur, quam Tab. </s>
            <s xml:id="echoid-s11227" xml:space="preserve">XX. </s>
            <s xml:id="echoid-s11228" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s11229" xml:space="preserve">1. </s>
            <s xml:id="echoid-s11230" xml:space="preserve">repræſentat: </s>
            <s xml:id="echoid-s11231" xml:space="preserve">
              <lb/>
            Eſt A B B parallelopipedum, unum pedem longum, eſt B B {3/4} polli-
              <lb/>
            cis latum, B b {1/2} pollic: </s>
            <s xml:id="echoid-s11232" xml:space="preserve">profundum: </s>
            <s xml:id="echoid-s11233" xml:space="preserve">In medio longitudo G K 2 pol-
              <lb/>
            licum a Tornione exciſa fuit accurate in formam cylindri, ubi-
              <lb/>
            vis æque craſſi, cujus diameter erat 0, 27 pollicis Rhenolandici; </s>
            <s xml:id="echoid-s11234" xml:space="preserve">
              <lb/>
            extremitatibus ambabus A, B agglutinebatur utrimque par-
              <lb/>
            vum parallelopipedum D D ligni quercici, longum 2 pollic. </s>
            <s xml:id="echoid-s11235" xml:space="preserve">latum
              <lb/>
            {9/4} poll: </s>
            <s xml:id="echoid-s11236" xml:space="preserve">profundum {1/2} poll: </s>
            <s xml:id="echoid-s11237" xml:space="preserve">ita ut lignum explorandum in medio am-
              <lb/>
            borum hæreret: </s>
            <s xml:id="echoid-s11238" xml:space="preserve">fuit parallelopipedum A B tam craſſum electum,
              <lb/>
            & </s>
            <s xml:id="echoid-s11239" xml:space="preserve">in medio G K attenuatum, ne capita A & </s>
            <s xml:id="echoid-s11240" xml:space="preserve">B frangerentur, imo,
              <lb/>
            cum hæc nondum ſatis reſiſtant, corpuſcula lateralia D D agglutinata
              <lb/>
            fuerunt, quæ capitum robur adeo auxerunt, ut potius medium K G,
              <lb/>
            quam caput alterutrum A, B, diffractum fuerit: </s>
            <s xml:id="echoid-s11241" xml:space="preserve">Capita perforata
              <lb/>
            fuerunt in E E, F F, per hæc foramina enim clavi ferrei transmit-
              <lb/>
            tebantur, infra deſcribendi: </s>
            <s xml:id="echoid-s11242" xml:space="preserve">non modo ejusmodi corpora præpa-
              <lb/>
            rata fuerunt, ſed etiam ſimilia alia, quæ non erant in K G me-
              <lb/>
            dio cylindrica, ſed parallelopipeda quadrangula, quorum quodli-
              <lb/>
            bet latus erat 0, 27 poll. </s>
            <s xml:id="echoid-s11243" xml:space="preserve">cæteroquin craſſities Lignorum deſcri-
              <lb/>
            bitur in Experimentis, ſi diverſa fuerit: </s>
            <s xml:id="echoid-s11244" xml:space="preserve">ex quolibet ligni gene-
              <lb/>
            re igitur duo corpora confeceram. </s>
            <s xml:id="echoid-s11245" xml:space="preserve">quorum unum in medio
              <lb/>
            erat cylindricum, alterum quadrangulum, quia Cohæren-
              <lb/>
            tiam abſolutam cum reſpectiva binorum corporum compara-
              <lb/>
            re volueram, tum ut repetiti inſtar Experimenti unum alteri in-
              <lb/>
            ſerviret.</s>
            <s xml:id="echoid-s11246" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s11247" xml:space="preserve">Deinde facti ſunt duo unci ferrei, quorum unum exhibet fig, 2. </s>
            <s xml:id="echoid-s11248" xml:space="preserve">Tab.
              <lb/>
            </s>
            <s xml:id="echoid-s11249" xml:space="preserve">XX. </s>
            <s xml:id="echoid-s11250" xml:space="preserve">cujus crura L L perforata excipiebant clavum ferreum P P; </s>
            <s xml:id="echoid-s11251" xml:space="preserve">diſta-
              <lb/>
            bant crura hæc tantopere a ſe, ut capita Lignorum modo ante fig. </s>
            <s xml:id="echoid-s11252" xml:space="preserve">1.</s>
            <s xml:id="echoid-s11253" xml:space="preserve"/>
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