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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[31.] EXPERIMENTUM XXIII.
Page: 69 (55)
[32.] EXPERIMENTUM XXIV.
Page: 71 (57)
[33.] EXPERIMENTUM XXV.
Page: 74 (60)
[34.] EXPERIMENTUM. XXVI.
Page: 80 (66)
[35.] EXPERIMENTUM XXVII.
Page: 83 (69)
[36.] EXPERIMENTUM. XXVIII.
Page: 83 (69)
[37.] EXPERIMENTUM XXIX.
Page: 85 (71)
[38.] EXPERIMENTUM XXX.
Page: 90 (76)
[39.] PROCESSUS PRIMUS.
Page: 91 (77)
[40.] PROCESSUS SECUNDUS.
Page: 92 (78)
[41.] PROCESSUS TERTIUS.
Page: 93 (79)
[42.] PROCESSUS QUARTUS.
Page: 94 (80)
[43.] PROCESSUS QUINTUS.
Page: 97 (83)
[44.] PROCESSUS SEXTUS.
Page: 99 (85)
[45.] PROCESSUS SEPTIMUS.
Page: 100 (86)
[46.] PROCESSUS OCTAVUS.
Page: 101 (87)
[47.] PROCESSUS NONUS.
Page: 102 (88)
[48.] PROCESSUS DECIMUS.
Page: 103 (89)
[49.] PROCESSUS UNDECIMUS.
Page: 104 (90)
[50.] PROCESSUS DUODECIMUS.
Page: 106 (92)
[51.] EXPERIMENTUM XXXI.
Page: 110 (96)
[52.] EXPERIMENTUM XXXII.
Page: 115 (101)
[53.] EXPERIMENTUM XXXIII.
Page: 115 (101)
[54.] EXPERIMENTUM XXXIV.
Page: 116 (102)
[55.] EXPERIMENTUM. XXXV.
Page: 117 (103)
[56.] EXPERIMENTUM. XXXVI.
Page: 117 (103)
[57.] EXPERIMENTUM XXXVII.
Page: 118 (104)
[58.] EXPERIMENTUM XXXVIII.
Page: 118 (104)
[59.] EXPERIMENTUM XXXIX.
Page: 119 (105)
[60.] EXPERIMENTUM XL.
Page: 120 (106)
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              <pb o="69" file="0083" n="83" rhead="DE MAGNETE."/>
            quæ duo magnam ſequelam in Phyſica ſecum traherent, nec parvam
              <lb/>
            mutationem Philoſophiæ, inprimis Newtonianæ inferrent.</s>
            <s xml:id="echoid-s1633" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div35" type="section" level="1" n="35">
          <head xml:id="echoid-head43" xml:space="preserve">EXPERIMENTUM XXVII.</head>
          <p>
            <s xml:id="echoid-s1634" xml:space="preserve">Tab. </s>
            <s xml:id="echoid-s1635" xml:space="preserve">2. </s>
            <s xml:id="echoid-s1636" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s1637" xml:space="preserve">2. </s>
            <s xml:id="echoid-s1638" xml:space="preserve">Sit Acus nautica poſita in meridiano ſuo A B,
              <lb/>
            incluſa capſulæ cupreæ, quæ ſuperne tegatur vitro, cujus margi-
              <lb/>
            nes ope cæmenti conglutinentur cum capſula, ne ullus aër egredi aut
              <lb/>
            ingredi in capſulam queat, Magnes C ponatur fixus in quadam ab
              <lb/>
            Acu diſtantia, ita ut hæc cuſpidem A dirigat, in a b, a ſuo meri-
              <lb/>
            diano ad certum gradum, qui obſervetur; </s>
            <s xml:id="echoid-s1639" xml:space="preserve">tum in vaſe cupreo D
              <lb/>
            aër condenſetur ope Antliæ pneumaticæ, quantum fieri arte poteſt;
              <lb/>
            </s>
            <s xml:id="echoid-s1640" xml:space="preserve">ponatur vas D eo modo infra rectam lineam A B C continuatam,
              <lb/>
            ut orificium D directe illi reſpondeat, tum aperiatur ſubito orifi-
              <lb/>
            cium D, atque attendatur an Acus A moveatur: </s>
            <s xml:id="echoid-s1641" xml:space="preserve">aër ex æneo vaſe
              <lb/>
            erumpens vehementiſſium excitabit ventum, aliquamdiu duran-
              <lb/>
            tem, interim tamen Acus manere obſervatur immota: </s>
            <s xml:id="echoid-s1642" xml:space="preserve">finge nunc
              <lb/>
            iterum Effluvia Magnetica, velaliud fluidum ex Magnete dirigi ad A-
              <lb/>
            cum, rogo, an hujus fluidi motus ab impetuoſiſſimo vento non aliquo-
              <lb/>
            modo mutabitur, & </s>
            <s xml:id="echoid-s1643" xml:space="preserve">proinde interea vis Acus directrix ab a verſus
              <lb/>
            A aget, hæc enim antequam aperiebatur orificium D, cum vi at-
              <lb/>
            tractrice Magnetis erat in æquilibrio, quod ſi hic ventus dicatur
              <lb/>
            nihil poſſe agere in illud fluidum, cujus igitur erit naturæ? </s>
            <s xml:id="echoid-s1644" xml:space="preserve">hercle
              <lb/>
            non corporeæ! nam fieri nequit, ut ventus artificialis denſiſſimus,
              <lb/>
            qui ventum naturalem impetu & </s>
            <s xml:id="echoid-s1645" xml:space="preserve">velocitate aliquoties ſuperat, in
              <lb/>
            illud non agat, nec ſurſum propellat ejusque motum turbet; </s>
            <s xml:id="echoid-s1646" xml:space="preserve">quo-
              <lb/>
            niam vero nulla turba nulluſque in Acu a b, obſervatus fuit motus,
              <lb/>
            iterum tum Effluvia Magnetica, tum quodcumque aliud Magnetem
              <lb/>
            ambiens ſuppoſitum fluidum, utcunque ſubtile, vi hujus Experi-
              <lb/>
            menti proſcribuntur.</s>
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          </p>
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        <div xml:id="echoid-div36" type="section" level="1" n="36">
          <head xml:id="echoid-head44" xml:space="preserve">EXPERIMENTUM. XXVIII.</head>
          <p>
            <s xml:id="echoid-s1648" xml:space="preserve">Tab. </s>
            <s xml:id="echoid-s1649" xml:space="preserve">2. </s>
            <s xml:id="echoid-s1650" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s1651" xml:space="preserve">2. </s>
            <s xml:id="echoid-s1652" xml:space="preserve">Verſorio A B, capſulæ incluſo ſibique commiſſo,
              <lb/>
            in Meridiano ſuo A B, ad diſtantiam 6 pollicum ponebatur Magnes
              <lb/>
            C, â quo dirigebatur in ſitum a b, tum loco vaſis D lata </s>
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