Wilkins, John, A discovery of a new world : or a discourse tending to prove, that 'tis probable there may be another Habitable World in the Moon ; with a discourse concerning the Probability of a Passage thither; unto which is added, a discourse concerning a New Planet, tending to prove, that 'tis probable our earth is one of the Planets

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            <s xml:id="echoid-s4493" xml:space="preserve">
              <pb o="120" file="0300" n="300" rhead="That the Earth may be a Planet."/>
            on, Variation, Declination; </s>
            <s xml:id="echoid-s4494" xml:space="preserve">the two laſt of
              <lb/>
            which are found to be indifferent, according
              <lb/>
            to the variety of places. </s>
            <s xml:id="echoid-s4495" xml:space="preserve">Now this diffe-
              <lb/>
            rence cannot proceed from the Needle it
              <lb/>
            ſelf, becauſe that is the ſame every where.
              <lb/>
            </s>
            <s xml:id="echoid-s4496" xml:space="preserve">Nor can we well conceive how it ſhould be
              <lb/>
            cauſed by the Heavens; </s>
            <s xml:id="echoid-s4497" xml:space="preserve">for then the Varia-
              <lb/>
            tion would not be always alike in the ſame
              <lb/>
            place, but diverſe, according to thoſe ſeve-
              <lb/>
            ral parts of the Heaven, which at ſeveral
              <lb/>
            times ſhould happen to be over it: </s>
            <s xml:id="echoid-s4498" xml:space="preserve">And
              <lb/>
            therefore it muſt neceſſarily proceed from
              <lb/>
            the Earth, which being it ſelf endowed with
              <lb/>
            Magnetical Affections, does diverſly diſpoſe
              <lb/>
            the Motions of the Needle, according to the
              <lb/>
            diſſerence of that diſponent virtue, which is
              <lb/>
            in its ſeveral Parts.</s>
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            <s xml:id="echoid-s4500" xml:space="preserve">Now, to apply this unto the particular
              <lb/>
            Inſtances of the Objection: </s>
            <s xml:id="echoid-s4501" xml:space="preserve">We ſay, though
              <lb/>
            ſome parts of this great Magnet, the Earth,
              <lb/>
            may, according to their Matter, be ſevered
              <lb/>
            from the whole; </s>
            <s xml:id="echoid-s4502" xml:space="preserve">yet are they always joined
              <lb/>
            to it, by a communion of the ſame Magne-
              <lb/>
            tical Qualities; </s>
            <s xml:id="echoid-s4503" xml:space="preserve">and do no leſs obſerve theſe
              <lb/>
            kind of Motions, when they are ſeparated
              <lb/>
            from the whole, than if they were united
              <lb/>
            to it. </s>
            <s xml:id="echoid-s4504" xml:space="preserve">Nor need this ſeem incredible, that
              <lb/>
            a heavy Bullet, in ſuch a ſwift violent courſe,
              <lb/>
            ſhould be able to obſerve this Magnetical
              <lb/>
            Revolution of the whole Earth; </s>
            <s xml:id="echoid-s4505" xml:space="preserve">when as
              <lb/>
            we ſee that thoſe great Bodies of Saturn,
              <lb/>
            Jupiter, &</s>
            <s xml:id="echoid-s4506" xml:space="preserve">c. </s>
            <s xml:id="echoid-s4507" xml:space="preserve">hanging in the vaſt ſpaces of
              <lb/>
            the Ætherial Air, do ſo conſtantly and re-
              <lb/>
            gularly move on in their appointed courſes.</s>
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