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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          <pb o="165" file="0179" n="179" rhead="de MAGNETE."/>
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            <lb/>
          # # Latitudo. # # Longitudo. # # Variatio.
            <lb/>
          Gr. # M. # Gr. # M. # Gr. # M.
            <lb/>
          63 # 0 # 81 # 0 # 43 # 0
            <lb/>
          64 # 0 # 81 # 0 # 46 # 0
            <lb/>
          62 # 0 # 82 # 0 # 39 # 0
            <lb/>
          63 # 0 # 82 # 0 # 44 # 0
            <lb/>
          61 # 0 # 84 # 0 # 33 # 45
            <lb/>
          62 # 0 # 84 # 0 # 40 # 0
            <lb/>
          63 # 0 # 84 # 0 # 42 # 0
            <lb/>
          60 # 0 # 86 # 0 # 30 # 0
            <lb/>
          61 # 0 # 86 # 0 # 33 # 0
            <lb/>
          62 # 0 # 86 # 0 # 35 # 0
            <lb/>
          </note>
          <note position="right" xml:space="preserve">
            <lb/>
          # # Latitudo. # # Longitudo. # # Variatio.
            <lb/>
          Gr. # M. # Gr. # M. # Gr. # M
            <lb/>
          59 # 0 # 88 # 0 # 28 # 0
            <lb/>
          60 # 0 # 88 # 0 # 28 # 40
            <lb/>
          61 # 0 # 88 # 0 # 29 # 20
            <lb/>
          57 # 0 # 90 # 0 # 24 # 0
            <lb/>
          58 # 0 # 90 # 0 # 24 # 30
            <lb/>
          59 # 0 # 90 # 0 # 25 # 0
            <lb/>
          57 # 0 # 94 # 0 # 23 # 0
            <lb/>
          58 # 0 # 95 # 0 # 22 # 30
            <lb/>
          59 # 0 # 95 # 0 # 21 # 0
            <lb/>
          </note>
          <p>
            <s xml:id="echoid-s4064" xml:space="preserve">A Longitudine 68 Graduum uſque ad 81 obſervationes ſunt factæ
              <lb/>
            in ſinu Hudſoni, in quo eſt maxima Variatio & </s>
            <s xml:id="echoid-s4065" xml:space="preserve">in quo Acus diffi-
              <lb/>
            culter ſuam directionem oſtendit.</s>
            <s xml:id="echoid-s4066" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4067" xml:space="preserve">Ex inſpectis liquet Tabulispag. </s>
            <s xml:id="echoid-s4068" xml:space="preserve">152 & </s>
            <s xml:id="echoid-s4069" xml:space="preserve">Mappâ Halleyi, Declinatio-
              <lb/>
            nem Magnetis increviſſe Pariſiis, ita ut anno 1728 fuerit 14 graduum
              <lb/>
            verſus Occaſum. </s>
            <s xml:id="echoid-s4070" xml:space="preserve">Inſuper, notante Cl. </s>
            <s xml:id="echoid-s4071" xml:space="preserve">Deliſle in L’Hiſt. </s>
            <s xml:id="echoid-s4072" xml:space="preserve">de L’ Acad. </s>
            <s xml:id="echoid-s4073" xml:space="preserve">Roy.
              <lb/>
            </s>
            <s xml:id="echoid-s4074" xml:space="preserve">1712. </s>
            <s xml:id="echoid-s4075" xml:space="preserve">in urbibus plurimis Galliæ fere eodem modo Declinatio increvit
              <lb/>
            ac Pariſiis; </s>
            <s xml:id="echoid-s4076" xml:space="preserve">etiam æqualiter Genevæ progreſſa fuit: </s>
            <s xml:id="echoid-s4077" xml:space="preserve">quod ulterius pro-
              <lb/>
            batur, quia in Tabula Geographica Maris Caſpii, facta anno 1720, & </s>
            <s xml:id="echoid-s4078" xml:space="preserve">
              <lb/>
            quæ proſtat in L’Hiſt. </s>
            <s xml:id="echoid-s4079" xml:space="preserve">de L’ Acad. </s>
            <s xml:id="echoid-s4080" xml:space="preserve">Roy. </s>
            <s xml:id="echoid-s4081" xml:space="preserve">1721. </s>
            <s xml:id="echoid-s4082" xml:space="preserve">Acus obſervata fuit de-
              <lb/>
            clinare in Caſpio Mari nunc 12°, 9`. </s>
            <s xml:id="echoid-s4083" xml:space="preserve">nunc 11°, 44`. </s>
            <s xml:id="echoid-s4084" xml:space="preserve">alibi 13°, 51`. </s>
            <s xml:id="echoid-s4085" xml:space="preserve">
              <lb/>
            &</s>
            <s xml:id="echoid-s4086" xml:space="preserve">c. </s>
            <s xml:id="echoid-s4087" xml:space="preserve">unde concludendum, curvas lineas in Mappa Halleyana, Tab. </s>
            <s xml:id="echoid-s4088" xml:space="preserve">
              <lb/>
            X. </s>
            <s xml:id="echoid-s4089" xml:space="preserve">quæ occidentalem Declinationem in parte Boreali Terræ oſten-
              <lb/>
            dunt, motas fuiſſe, tam deſcendendo verfus Æquatorem, quam
              <lb/>
            ſe convertendo ab Occaſu verſus Ortum, quaſi circa centrum quod-
              <lb/>
            dam, commune omnibus illis lineis: </s>
            <s xml:id="echoid-s4090" xml:space="preserve">qua converſione linea 10 graduum
              <lb/>
            Declinationis primum tranſiit per Hiberniam, Scotiam, Brittanniam,
              <lb/>
            tum per Hollandiam, Daniam, Gallias, Curlandiam; </s>
            <s xml:id="echoid-s4091" xml:space="preserve">tandemque per
              <lb/>
            mare Caſpium, quam omnes aliæ ſecutæ fuerunt Declinationum ma-
              <lb/>
            jorum lineæ: </s>
            <s xml:id="echoid-s4092" xml:space="preserve">imo ipſam lineam, continentem 5 gradus Declinationis
              <lb/>
            Occidentalis, huic motui verſus Æquatorem obtemperaſſe, patet ex ob-
              <lb/>
            ſervationibus notatis in L’ Hiſtoire de L’ Academ. </s>
            <s xml:id="echoid-s4093" xml:space="preserve">Roy. </s>
            <s xml:id="echoid-s4094" xml:space="preserve">A°. </s>
            <s xml:id="echoid-s4095" xml:space="preserve">1710. </s>
            <s xml:id="echoid-s4096" xml:space="preserve"/>
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