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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[131.] EXPERIMENTUM CVI.
Page: 239 (225)
[132.] EXPERIMENTUM CVII.
Page: 240 (226)
[133.] EXPERIMENTUM CVIII.
Page: 243 (229)
[134.] EXPERIMENTUM CIX. DE FABRICA VERSORIORUM.
Page: 243 (229)
[135.] CAPUT QUARTUM.
Page: 249 (235)
[136.] EXPERIMENTUM CX.
Page: 249 (235)
[137.] EXPERIMENTUM CXI.
Page: 250 (236)
[138.] EXPERIMENTUM CXII.
Page: 251 (237)
[139.] EXPERIMENTUM CXIII.
Page: 252 (238)
[140.] EXPERIMENTUM CXIV.
Page: 253 (239)
[141.] EXPERIMENTUM CXV.
Page: 254 (240)
[142.] EXPERIMENTUM CXVI.
Page: 255 (241)
[143.] EXPERIMENTUM CXVII.
Page: 256 (242)
[144.] EXPERIMENTUM CXVIII.
Page: 256 (242)
[145.] EXPERIMENTUM CXIX.
Page: 257 (243)
[146.] EXPERIMENTUM CXX.
Page: 257 (243)
[147.] EXPERIMENTUM CXXI.
Page: 258 (244)
[148.] EXPERIMENTUM CXXII.
Page: 259 (245)
[149.] EXPERIMENTUM CXXIII.
Page: 260 (246)
[150.] EXPERIMENTUM CXXIV.
Page: 260 (246)
[151.] EXPERIMENTUM CXXV.
Page: 261 (247)
[152.] EXPERIMENTUM CXXVI.
Page: 261 (247)
[153.] EXPERIMENTUM CXXVII.
Page: 262 (248)
[154.] EXPERIMENTUM CXXVIII.
Page: 263 (249)
[155.] EXPERIMENTUM CXXIX.
Page: 263 (249)
[156.] EXPERIMENTUM CXXX.
Page: 264 (250)
[157.] CAPUT QUINTUM. De vi Magnetica Ferri.
Page: 267 (253)
[158.] EXPERIMENTUM CXXXI.
Page: 268 (254)
[159.] EXPERIMENTUM CXXXII.
Page: 269 (255)
[160.] EXPERIMENTUM CXXXIII.
Page: 270 (256)
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              <pb o="249" file="0263" n="263" rhead="DE MAGNETE."/>
            in hoc Capite commemoravimus, non inter facillima intellectu po-
              <lb/>
            nenda; </s>
            <s xml:id="echoid-s5897" xml:space="preserve">nunc ignoratâ cauſâ, inſtar talparum fodimus, quærimus,
              <lb/>
            inveſtigamus, anfractuoſas ingredimur vias, aliquando ſteriles, ali-
              <lb/>
            quando exiguum laborum fructum afferentes; </s>
            <s xml:id="echoid-s5898" xml:space="preserve">id tamen poteſt nobis
              <lb/>
            eſſe ſolatii, Experimentum recte inſtitutum, accurate cum omnibus
              <lb/>
            circumſtantiis obſervatum, manere Experimentum, hoc eſt ſemper
              <lb/>
            verum, & </s>
            <s xml:id="echoid-s5899" xml:space="preserve">alicujus uſus; </s>
            <s xml:id="echoid-s5900" xml:space="preserve">neque illis unquam ſubjici viciſſitudinibus,
              <lb/>
            quibus ratiocinium, utcunque ſubtile, ex levi obortum hypo-
              <lb/>
            theſi.</s>
            <s xml:id="echoid-s5901" xml:space="preserve"/>
          </p>
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          <head xml:id="echoid-head163" xml:space="preserve">EXPERIMENTUM CXXVIII.</head>
          <p>
            <s xml:id="echoid-s5902" xml:space="preserve">Prope Verſorii alterutram extremitatem teneatur aliquod Ferrum,
              <lb/>
            non imprægnatum vi Magnetica, niſi quam ſua ſponte acquirit,
              <lb/>
            Verſorii directionem mutabit, ad ſe alliciet, non aliter quam verus
              <lb/>
            Magnes; </s>
            <s xml:id="echoid-s5903" xml:space="preserve">motum proinde ejus ſequetur Verſorium, quod in orbem
              <lb/>
            converti, variis in plagis ſiſti, dirigique poteſt pro lubitu, moto
              <lb/>
            tantummodo Ferro: </s>
            <s xml:id="echoid-s5904" xml:space="preserve">ſi autem vi donatum Magnetica ſit, Verſorium
              <lb/>
            longe vehementius attrahet in eadem diſtantiâ ac ante, aut multo
              <lb/>
            remotius poſitum nihilominus operationem ſuam demonſtrabit.</s>
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          </p>
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          <head xml:id="echoid-head164" xml:space="preserve">EXPERIMENTUM CXXIX.</head>
          <p>
            <s xml:id="echoid-s5906" xml:space="preserve">Explorandum adhuc erat, quomodo duo Verſoria, vi Magneti-
              <lb/>
            câ donata, poſita in eodem horizontali plano intra mutuæ actionis
              <lb/>
            ſphæram in ſe operarentur: </s>
            <s xml:id="echoid-s5907" xml:space="preserve">unum Verſorium, quod huic Experi-
              <lb/>
            mento inſerviit, erat 6 {3/4} pol. </s>
            <s xml:id="echoid-s5908" xml:space="preserve">longum, alterum 9 poll. </s>
            <s xml:id="echoid-s5909" xml:space="preserve">utrumque ſuo
              <lb/>
            ſtylo, ſupra quem libere poterat converti, imponebatur: </s>
            <s xml:id="echoid-s5910" xml:space="preserve">erat alte-
              <lb/>
            rum alteri parallelum; </s>
            <s xml:id="echoid-s5911" xml:space="preserve">utrumque cuſpide Borea ſpectabat Boreum;
              <lb/>
            </s>
            <s xml:id="echoid-s5912" xml:space="preserve">centra utriuſque ſive ſtyli jacebant in recta Æquatori Magnetico
              <lb/>
            parallela, in qua pro lubitu propius ſibi, aut remotius iterum, pone-
              <lb/>
            bantur, quo Verſoria tantundem ad ſe accedebant: </s>
            <s xml:id="echoid-s5913" xml:space="preserve">erat Verſorium
              <lb/>
            brevius ad Ortum longioris ſitum: </s>
            <s xml:id="echoid-s5914" xml:space="preserve">tum 1° diſtantibus ſtylis a ſe 4
              <lb/>
            pollicibus, acceſſerunt ambo poli Borei ad ſe parum, atque tantun-
              <lb/>
            dem receſſerunt Auſtrales a ſe: </s>
            <s xml:id="echoid-s5915" xml:space="preserve">admotis propius ſtylis, ut tantum
              <lb/>
            3 poll: </s>
            <s xml:id="echoid-s5916" xml:space="preserve">a ſe diſtarent, receſſerunt a ſe poli Borei parum, </s>
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