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 Notes

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            expoliendum tempore, nihilominus magis magiſque confirmatur quo-
              <lb/>
            tidianis obſervationibus; </s>
            <s xml:id="echoid-s4020" xml:space="preserve">hinc illud pro baſi eſt aſſumendum, quem-
              <lb/>
            admodum quoque Academiæ Regiæ Pariſinæ Sapientes eo uſi, con-
              <lb/>
            ferunt illud cum novis in itinere factis obſervationibus, atque re-
              <lb/>
            jectis omnibus aliis hypotheſibus, hoc ſolummodo poliunt, exco-
              <lb/>
            lunt, amplificant, illuſtrant. </s>
            <s xml:id="echoid-s4021" xml:space="preserve">Confer. </s>
            <s xml:id="echoid-s4022" xml:space="preserve">L’Hiſtoire de L’Acad. </s>
            <s xml:id="echoid-s4023" xml:space="preserve">Roy.
              <lb/>
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            <s xml:id="echoid-s4024" xml:space="preserve">A°. </s>
            <s xml:id="echoid-s4025" xml:space="preserve">1712 Utigitur hoc negotium, quod valdequam intricatum eſt, cla-
              <lb/>
            re intelligatur, Mappa Magnetica Halley ana ponatur ante oculos; </s>
            <s xml:id="echoid-s4026" xml:space="preserve">vid. </s>
            <s xml:id="echoid-s4027" xml:space="preserve">
              <lb/>
            Tab. </s>
            <s xml:id="echoid-s4028" xml:space="preserve">X. </s>
            <s xml:id="echoid-s4029" xml:space="preserve">hæc baſis erit omnium, quæ in ſequentibus dicentur, quam
              <lb/>
            ideo hic adferre debui: </s>
            <s xml:id="echoid-s4030" xml:space="preserve">Mappa repræſentat fere integrum terrarum
              <lb/>
            orbem, tum lineas continet rectas, exhibentes Meridianos ductos
              <lb/>
            a polo Auſtrali ad Borealem: </s>
            <s xml:id="echoid-s4031" xml:space="preserve">præterea lineas Latitudinis habet, qua-
              <lb/>
            les in Mappis vulgaribus obſervantur: </s>
            <s xml:id="echoid-s4032" xml:space="preserve">Inſuper conſpiciuntur lineæ
              <lb/>
            curvæ, quæ pertinent ad demonſtrandam directionem Magnetis: </s>
            <s xml:id="echoid-s4033" xml:space="preserve">
              <lb/>
            Eſt hæc Mappa confecta pro anno 1700, quo Declinatio Magne-
              <lb/>
            tis fuit in illis locis, qualis depingitur. </s>
            <s xml:id="echoid-s4034" xml:space="preserve">1°. </s>
            <s xml:id="echoid-s4035" xml:space="preserve">datur curva, quæ in-
              <lb/>
            cipit in America ad Carolinam, tranſiens per Inſulam Bermudos, per
              <lb/>
            Oceanum Æthyopicum Auſtrum verſus, deſinens ad latitudinem Au-
              <lb/>
            ſtralem 58 Grad. </s>
            <s xml:id="echoid-s4036" xml:space="preserve">in Meridiano Londinenſi: </s>
            <s xml:id="echoid-s4037" xml:space="preserve">hæc curva anno 1700
              <lb/>
            tranſiit ſupra omnia loca Terræ mariſque, quæ immunia erant a De-
              <lb/>
            clinatione Magnetis: </s>
            <s xml:id="echoid-s4038" xml:space="preserve">unde vocatur ab Halleyo Linea expers Va-
              <lb/>
            riationis.</s>
            <s xml:id="echoid-s4039" xml:space="preserve"/>
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            <s xml:id="echoid-s4040" xml:space="preserve">2°. </s>
            <s xml:id="echoid-s4041" xml:space="preserve">Supra hanc lineam verſus Boream conſpiciuntur aliæ curvæ,
              <lb/>
            quibus appoſiti ſunt numeri Arithmetici 5, 10, 15, 20, 25, tranſ-
              <lb/>
            euntque ſupra Oceanum occidentalem: </s>
            <s xml:id="echoid-s4042" xml:space="preserve">numeri indicant Acum to-
              <lb/>
            tidem gradibus declinare verſus occaſum in locis ſubjacentibus ſub
              <lb/>
            his curvis.</s>
            <s xml:id="echoid-s4043" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4044" xml:space="preserve">Pro baſi firma hoc ponendum eſt, nam ex obſervationibus bene
              <lb/>
            captis & </s>
            <s xml:id="echoid-s4045" xml:space="preserve">comparatis cum aliis hæ lineæ ductæ ſunt: </s>
            <s xml:id="echoid-s4046" xml:space="preserve">Sed his Hal-
              <lb/>
            leyanis addamus obſervationes Declinationis captas anno 1720 in
              <lb/>
            mari Baltico, quæ proſtant in Philoſ. </s>
            <s xml:id="echoid-s4047" xml:space="preserve">Tranſact. </s>
            <s xml:id="echoid-s4048" xml:space="preserve">N°. </s>
            <s xml:id="echoid-s4049" xml:space="preserve">366, & </s>
            <s xml:id="echoid-s4050" xml:space="preserve">quæ ſunt
              <lb/>
            Prope</s>
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            <lb/>
          # # # Latitudo # # Declinat. # Magnetis Occidentali
            <lb/>
          Revel # 58° # 58` # 14° # 53 # Differentia locorum \\ in longitud. 1°. 50`
            <lb/>
          Gottſand # 58 # 21 # 14 # 50
            <lb/>
          Bornholme # 56 # 0 # 14 # 44
            <lb/>
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          <p>
            <s xml:id="echoid-s4051" xml:space="preserve">Præterea adjungatur ex Philoſopb. </s>
            <s xml:id="echoid-s4052" xml:space="preserve">Tranſact. </s>
            <s xml:id="echoid-s4053" xml:space="preserve">N°. </s>
            <s xml:id="echoid-s4054" xml:space="preserve">393. </s>
            <s xml:id="echoid-s4055" xml:space="preserve">Anni 1726.
              <lb/>
            </s>
            <s xml:id="echoid-s4056" xml:space="preserve">Tabula.</s>
            <s xml:id="echoid-s4057" xml:space="preserve"/>
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