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

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            <p type="main">
              <s>
                <pb xlink:href="040/01/395.jpg" pagenum="375"/>
              he likewiſe granteth to mixt bodies compound motions by -----</s>
            </p>
            <p type="main">
              <s>SAGR. </s>
              <s>Stay a little,
                <emph type="italics"/>
              Simplicius,
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              & anſwer me to the queſtions
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              I ſhall ask you. </s>
              <s>You ſay that the Load-ſtone is no ſimple body,
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                <arrow.to.target n="marg716"/>
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              now I defire you to tell me what thoſe ſimple bodies are, that
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              mingle in compoſing the Load-ſtone.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg716"/>
              Ariſtole
                <emph type="italics"/>
              grants
                <lb/>
              a compound motion
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              to mixt bodies.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>I know not how to tell you th'ingredients nor ſimples
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              preciſely, but it ſufficeth that they are things elementary.</s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>So much ſufficeth me alſo. </s>
              <s>And of theſe ſimple
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              mentary bodies, what are the natural motions?</s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>They are the two right and ſimple motions,
                <emph type="italics"/>
              ſurſum
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                <lb/>
              and
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              deorſum.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>SAGR. </s>
              <s>Tell me in the next place? </s>
              <s>Do you believe that the
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              motion, that ſhall remain natural to that ſame mixed body, ſhould
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              be one that may reſult from the compoſition of the two ſimple
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              natural motions of the ſimple bodies compounding, or that it
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              may be a motion impoſſible to be compoſed of
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                <arrow.to.target n="marg717"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg717"/>
                <emph type="italics"/>
              The motion of
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              mixt bodies ought
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              to be ſuch as may
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              reſult from the
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              compoſition of the
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              motions of the
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              ple bodies
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              pounding.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>I believe that it ſhall move with the motion reſulting
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              from the compoſition of the motions of the ſimple bodies
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              pounding, and that with a motion impoſſible to be compoſed of
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              theſe, it is impoſſible that it ſhould move.</s>
            </p>
            <p type="main">
              <s>SAGR. But,
                <emph type="italics"/>
              Simplicius,
                <emph.end type="italics"/>
              with two right and ſimple motions, you
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              ſhall never be able to compoſe a circular motion, ſuch as are the </s>
            </p>
            <p type="main">
              <s>
                <arrow.to.target n="marg718"/>
                <lb/>
              two, or three circular motions that the magnet hath: you ſee
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              then into what abſurdities evil grounded Principles, or, to ſay
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                <arrow.to.target n="marg719"/>
                <lb/>
              better, the ill-inferred conſequences of good Principles carry a
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              man; for you are now forced to ſay, that the Magnet is a
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              ture compounded of ſubſtances elementary and cœleſtial, if you
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              will maintain that the ſtraight motion is a peculiar to the
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              ments, and the circular to the cœleſtial bodies. </s>
              <s>Therefore if
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              you will more ſafely argue, you muſt ſay, that of the integral
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              bodies of the Univerſe, thoſe that are by nature moveable, do all
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              move circularly, and that therefore the Magnet, as a part of the
                <lb/>
                <arrow.to.target n="marg720"/>
                <lb/>
              true primary, and integral ſubſtance of our Globe, pertaketh of
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              the ſame qualities with it. </s>
              <s>And take notice of this your fallacy,
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              in calling the Magnet a mixt body, and the Terreſtrial Globe a
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              ſimple body, which is ſenſibly perceived to be a thouſand times
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              more compound: for, beſides that it containeth an hundred an
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              hundred matters, exceeding different from one another, it
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              taineth great abundance of this which you call mixt, I mean
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              of the Load-ſtone. </s>
              <s>This ſeems to me juſt as if one ſhould call
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                <arrow.to.target n="marg721"/>
                <lb/>
              bread a mixt body, and ^{*}
                <emph type="italics"/>
              Pannada
                <emph.end type="italics"/>
              a ſimple body, in which there
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              is put no ſmall quantity of bread, beſides many other things
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              ble. </s>
              <s>This ſeemeth to me a very admirable thing, amongſt others </s>
            </p>
          </chap>
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