Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667

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    <archimedes>
      <text>
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            <p type="main">
              <s>
                <pb xlink:href="040/01/132.jpg" pagenum="114"/>
              from the Earth, continue a good ſpace of time in the Air, ſuch
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              as are the Clouds, Birds of flight; and as of them it cannot be
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              ſaid that they are rapt or tranſparted by the Earth, having no
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              heſion thereto, it ſeems not poſſible, that they ſhould be able to
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              keep pace with the velocity thereof; nay it ſhould rather ſeem
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              to us, that they all ſwiftly move towards the Weſt: And if
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              being carried about by the Earth, paſſe our parallel in twenty
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              four hours, which yet is at leaſt ſixteen thouſand miles, how can
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              Birds follow ſuch a courſe or revolution? </s>
              <s>Whereas on the
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              trary, we ſee them fly as well towards the Eaſt, as towards the
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              Weſt, or any other part, without any ſenſible difference. </s>
              <s>
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                <arrow.to.target n="marg294"/>
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              over, if when we run a Horſe at his ſpeed, we feel the air beat
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              vehemently againſt our face, what an impetuous blaſt ought we
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              perpetually to feel from the Eaſt, being carried with ſo rapid a
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              courſe againſt the wind? </s>
              <s>and yet no ſuch effect is perceived. </s>
              <s>Take
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              another very ingenious argument inferred from the following
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                <arrow.to.target n="marg295"/>
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              periment. </s>
              <s>The circular motion hath a faculty to extrude and
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              ſipate from its Centre the parts of the moving body, whenſoever
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              either the motion is not very ſlow, or thoſe parts are not very
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              well faſtened together; and therefore, if
                <emph type="italics"/>
              v. </s>
              <s>g.
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              we ſhould turn
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              one of thoſe great wheels very faſt about, wherein one or more
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              men walking, crane up very great weights, as the huge maſſie
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              ſtone, uſed by the Callander for preſſing of Cloaths; or the
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              fraighted Barks which being haled on ſhore, are hoiſted out of
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              one river into another; in caſe the parts of that ſame Wheel ſo
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              ſwiftly turn'd round, be not very well joyn'd and pin'd together,
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              they would all be ſhattered to pieces; and though many ſtones or
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              other ponderous ſubſtances, ſhould be very faſt bound to its outward
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              Rimme, yet could they not reſiſt the impetuoſity, which with
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              great violence would hurl them every way far from the Wheel,
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              and conſequently from its Centre. </s>
              <s>So that if the Earth did move
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              with ſuch and ſo much greater velocity, what gravity, what
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              city of lime or plaiſter would keep together Stones, Buildings, and
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              whole Cities, that they ſhould not be toſt into the Air by ſo
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              cipitous a motion? </s>
              <s>And both men and beaſts, which are not
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              ſtened to the Earth, how could they reſiſt ſo great an
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              impetus
                <emph.end type="italics"/>
              ?
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              </s>
              <s>Whereas, on the other ſide, we ſee both theſe, and far leſſe
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              ſiſtances of pebles, ſands, leaves reſt quietly on the Earth, and
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              to return to it in falling, though with a very ſlow motion. </s>
              <s>See
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              here,
                <emph type="italics"/>
              Simplicius,
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              the moſt potent arguments, taken, to ſo ſpeak,
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              from things Terreſtrial; there remain thoſe of the other kind,
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              namely, ſuch as have relation to the appearances of Heaven,
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              which reaſons, to confeſſe the truth, tend more to prove the
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              Earth to be in the centre of the Univerſe, and conſequently, to
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              deprive it of the annual motion about the ſame, aſcribed unto it </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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