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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[61.] EXPERIMENTUM. XLI.
Page: 120 (106)
[62.] EXPERIMENTUM. XLII.
Page: 121 (107)
[63.] EXPERIMENTUM XLIII.
Page: 122 (108)
[64.] EXPERIMENTUM XLIV.
Page: 122 (108)
[65.] EXPERIMENTUM. XLV.
Page: 122 (108)
[66.] EXPERIMENTUM XLVI.
Page: 123 (109)
[67.] EXPERIMENTUM XLVII.
Page: 124 (110)
[68.] EXPERIMENTUM XLVIII.
Page: 124 (110)
[69.] EXPERIMENTUM XLIX.
Page: 124 (110)
[70.] EXPERIMENTUM L.
Page: 125 (111)
[71.] EXPERIMENTUM LI.
Page: 126 (112)
[72.] EXPERIMENTUM LII.
Page: 126 (112)
[73.] EXPERIMENTUM. LIII.
Page: 126 (112)
[74.] EXPERIMENTUM. LIV.
Page: 127 (113)
[75.] EXPERIMENTUM LV.
Page: 127 (113)
[76.] EXPERIMENTUM LVI.
Page: 128 (114)
[77.] EXPERIMENTUM LVII.
Page: 128 (114)
[78.] EXPERIMENTUM LVIII.
Page: 129 (115)
[79.] EXPERIMENTUM LIX.
Page: 130 (116)
[80.] EXPERIMENTUM LX.
Page: 130 (116)
[81.] EXPERIMENTUM LXI.
Page: 131 (117)
[82.] EXPERIMENTUM LXII.
Page: 131 (117)
[83.] EXPERIMENTUM. LXIII.
Page: 131 (117)
[84.] EXPERIMENTUM LXIV.
Page: 132 (118)
[85.] EXPERIMENTUM LXV.
Page: 132 (118)
[86.] EXPERIMENTUM LXVI.
Page: 134 (120)
[87.] EXPERIMENTUM LXVII.
Page: 135 (121)
[88.] EXPERIMENTUM LXVIII.
Page: 136 (122)
[89.] EXPERIMENTUM LXIX.
Page: 136 (122)
[90.] EXPERIMENTUM LXX.
Page: 137 (123)
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            ipſæ obſervationes captæ anno 1706. </s>
            <s xml:id="echoid-s4097" xml:space="preserve">In his vero habetur, 25 mil-
              <lb/>
            liaribus a porto Santo prope Maderam Declinationem fuiſſe 5 grad.
              <lb/>
            </s>
            <s xml:id="echoid-s4098" xml:space="preserve">verſus Occaſum, cum prope Maderam, ſed ad Occaſum declinabat
              <lb/>
            Acus 4°. </s>
            <s xml:id="echoid-s4099" xml:space="preserve">30`. </s>
            <s xml:id="echoid-s4100" xml:space="preserve">atque inter Maderam & </s>
            <s xml:id="echoid-s4101" xml:space="preserve">Inſulam Ferri 4 gradibus, cum
              <lb/>
            in Mappa Halleyi minor in his locis declinatio habeatur.</s>
            <s xml:id="echoid-s4102" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4103" xml:space="preserve">Verum omnes curvas Septentrionales ſimul deſcendiſſe verſus Æ-
              <lb/>
            quatorem, etiam liquet ex Tabula ſuperiori, nam A°. </s>
            <s xml:id="echoid-s4104" xml:space="preserve">1700, ad latitu-
              <lb/>
            dinem Boream 55°, ad longitudinem a Londino 60°. </s>
            <s xml:id="echoid-s4105" xml:space="preserve">occidentalem erat
              <lb/>
            Declinatio inter 20 & </s>
            <s xml:id="echoid-s4106" xml:space="preserve">25 gradus: </s>
            <s xml:id="echoid-s4107" xml:space="preserve">verum anno 1721 ibidem loci obſer-
              <lb/>
            vata fuit Declinatio 34 graduum: </s>
            <s xml:id="echoid-s4108" xml:space="preserve">Pariter cum anno 1700 ad latitudinem
              <lb/>
            Boream 50°, & </s>
            <s xml:id="echoid-s4109" xml:space="preserve">longitudinem occidentalem 43° a Londino declina-
              <lb/>
            tio erat 15 graduum, Anno 1721 hæc ibidem fuit 28°. </s>
            <s xml:id="echoid-s4110" xml:space="preserve">idem obtinet in
              <lb/>
            aliis lineis: </s>
            <s xml:id="echoid-s4111" xml:space="preserve">cumque illæ omnes tantopere deſcenderint, alias pro-
              <lb/>
            diiſſe concipiendum ex vicinia poli, in quibus major declinatio nunc
              <lb/>
            obſervatur, quam anno hujus ſæculi primo.</s>
            <s xml:id="echoid-s4112" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4113" xml:space="preserve">Præterea id in genere notare poſſumus, Declinationem occiden-
              <lb/>
            talem increſcere ad majorem latitudinem Borealem, & </s>
            <s xml:id="echoid-s4114" xml:space="preserve">eſſe maxi-
              <lb/>
            mam in Sinu Hudſoni.</s>
            <s xml:id="echoid-s4115" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4116" xml:space="preserve">Nunc examinemus Lineam expertem Variationis, ortam ad Ca-
              <lb/>
            rolinam, & </s>
            <s xml:id="echoid-s4117" xml:space="preserve">videamus quamnam hæc mutationem quoque paſſa ſit
              <lb/>
            in toto ſui decurſu: </s>
            <s xml:id="echoid-s4118" xml:space="preserve">ſed duo tantum in ipſâ loca adnotabo.</s>
            <s xml:id="echoid-s4119" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4120" xml:space="preserve">Hæc ſecundum obſervationes anno 1706 factas in Oceano Atlantico,
              <lb/>
            deſcriptas in Philoſ. </s>
            <s xml:id="echoid-s4121" xml:space="preserve">Tranſ. </s>
            <s xml:id="echoid-s4122" xml:space="preserve">N°. </s>
            <s xml:id="echoid-s4123" xml:space="preserve">310. </s>
            <s xml:id="echoid-s4124" xml:space="preserve">tranſiit ſuper loca latitudinis Au-
              <lb/>
            ſtrinæ 3°, 17` longitudinis occidentalis a Londino 20°, 5`. </s>
            <s xml:id="echoid-s4125" xml:space="preserve">Halleyus eam
              <lb/>
            notaverat pro Anno 1700 ad longitudinem 20°. </s>
            <s xml:id="echoid-s4126" xml:space="preserve">& </s>
            <s xml:id="echoid-s4127" xml:space="preserve">ad latitudinem Borea-
              <lb/>
            lem 5 grad. </s>
            <s xml:id="echoid-s4128" xml:space="preserve">adeoque hæc pars Lineæ mota fuiſſet ibidem loci verſus
              <lb/>
            Americam: </s>
            <s xml:id="echoid-s4129" xml:space="preserve">Sed Feuillee A°. </s>
            <s xml:id="echoid-s4130" xml:space="preserve">1708 in itinere Americano eam notat ad
              <lb/>
            latitud. </s>
            <s xml:id="echoid-s4131" xml:space="preserve">Bor. </s>
            <s xml:id="echoid-s4132" xml:space="preserve">5°, 24`. </s>
            <s xml:id="echoid-s4133" xml:space="preserve">ad Longitudinem 357°, 3`. </s>
            <s xml:id="echoid-s4134" xml:space="preserve">qui eſt ipſe locusab Hal-
              <lb/>
            leyo notatus; </s>
            <s xml:id="echoid-s4135" xml:space="preserve">unde ſecundum hunc remanſiſſet immota: </s>
            <s xml:id="echoid-s4136" xml:space="preserve">Præterea alia
              <lb/>
            pars hujus Lineæ ibidem in iiſdem Tranſact. </s>
            <s xml:id="echoid-s4137" xml:space="preserve">obſervata fuit ad lati-
              <lb/>
            tudinem Auſtralem 34°, 31`. </s>
            <s xml:id="echoid-s4138" xml:space="preserve">& </s>
            <s xml:id="echoid-s4139" xml:space="preserve">ad longitudinem Oc. </s>
            <s xml:id="echoid-s4140" xml:space="preserve">1°, 29`, 30?</s>
            <s xml:id="echoid-s4141" xml:space="preserve">. cum
              <lb/>
            Halleyus eam poſuerit in eadem Latitudine ad longitudinem 4 gra-
              <lb/>
            duum a Meridiano Londinenſi, quapropter hæc pars Lineæ acceſ-
              <lb/>
            ſiſſet ad Ortum, contrario motu, quam pars ſuperior; </s>
            <s xml:id="echoid-s4142" xml:space="preserve">verum anno
              <lb/>
            1721, eadem pars obſervata fuit ferè ad longitudinem 12°, 57`. </s>
            <s xml:id="echoid-s4143" xml:space="preserve">a
              <lb/>
            Meridiano Londinenſi verſus Ortum, nam in Philoſoph Tranſact. </s>
            <s xml:id="echoid-s4144" xml:space="preserve">N°.</s>
            <s xml:id="echoid-s4145" xml:space="preserve"/>
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