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

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      <text>
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            <p type="main">
              <s>
                <pb xlink:href="040/01/396.jpg" pagenum="376"/>
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              of the Peripateticks, who grant (nor can it be denied) that our
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              Terreſtrial Globe is,
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              de facto,
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              a compound of infinite different
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              matters; and grant farther that of compound bodies the motion
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              ought to be compound: now the motions that admit of
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              ſition are the right and circular: For the two right motions, as
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              being contrary, are incompatible together, they affirm, that the
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              pure Element of Earth is no where to be found; they confeſſe,
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              that it never hath been moved with a local motion; and yet they
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              will introduce in Nature that body which is not to be found, and
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              make it move with that motion which it never exerciſed, nor
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              ver ſhall do, and to that body which hath, and ever had a being,
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              they deny that motion, which before they granted, ought
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              rally to agree therewith.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg718"/>
                <emph type="italics"/>
              With two right
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              motions one cannot
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              compoſe circular
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              motions.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg719"/>
                <emph type="italics"/>
              Philoſophers are
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              forced to confeſſe
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              that the Magnet
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              is compounded of
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              cœleſtial
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              ces, and of
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              tary.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg720"/>
                <emph type="italics"/>
              The errour of
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              thoſe who call the
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              Magnet a mixt
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              body, and the
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              reſtrial Globe
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              ſimble body.
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              </s>
            </p>
            <p type="margin">
              <s>
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              * Ogliopotrida
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                <emph type="italics"/>
              a Spaniſh diſh of
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              many ingredients
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              boild together.
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              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg722"/>
                <emph type="italics"/>
              The Diſcourſes
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              of Peripateticks,
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              full of errours and
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              contradictions.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>I beſeech you,
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              Sagredus,
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              let us not weary our ſelves
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              any more about theſe particulars, and the rather, becauſe you
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              know that our purpoſe was not to determine reſolutely, or to
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              accept for true, this or that opinion, but only to propoſe for our
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              divertiſement ſuch reaſons, and anſwers as may be alledged on
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              the one ſide, or on the other; and
                <emph type="italics"/>
              Simplicius
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              maketh this
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              ſwer, in defence of his Peripateticks, therefore let us leave the
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              judgment in ſuſpenſe, and remit the determination into the
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              hands of ſuch as are more known than we. </s>
              <s>And becauſe I think
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              that we have, with ſufficient prolixity, in theſe three dayes,
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              courſed upon the Syſteme of the Univerſe, it will now be
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              nable, that we proceed to the grand accident, from whence our
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              Diſputations took beginning, I mean, of the ebbing and flowing
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              of the Sea, the cauſe whereof may, in all probability, be referred
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              to the motion of the Earth. </s>
              <s>But that, if you ſo pleaſe, we will
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              reſerve till to morrow. </s>
              <s>In the mean time, that I may not forget
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              it, I will ſpeak to one particular, to which I could have wiſhed,
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              that
                <emph type="italics"/>
              Gilbert
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              had not lent an ear; I mean that of admitting, that
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                <arrow.to.target n="marg723"/>
                <lb/>
              in caſe a little Sphere of Loadſtone might be exactly librated, it
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              would revolve in it ſelf; becauſe there is no reaſon why it ſhould
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              do ſo; For if the whole Terreſtrial Globe hath a natural
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              ty of revolving about its own centre in twenty four hours, and
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              that all its parts ought to have the ſame, I mean, that faculty of
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              turning round together with their
                <emph type="italics"/>
              whole,
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              about its centre in
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              ty four hours; they already have the ſame in effect, whilſt that,
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              being upon the Earth, they turn round along with it: And the
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              aſſigning them a revolution about their particular centres, would
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              be to aſcribe unto them a ſecond motion much different from the
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              firſt; for ſo they would have two, namely, the revolving in
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              ty four hours about the centre of their
                <emph type="italics"/>
              whole
                <emph.end type="italics"/>
              ; and the turning
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              about their own: now this ſecond is arbitrary, nor is there any </s>
            </p>
          </chap>
        </body>
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