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

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            <p type="main">
              <s>
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              produceth ſundry and divers motions in living creatures. </s>
              <s>And as
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              to the flexures there is no need of them, the motions being of the
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              whole, and not of ſome particular parts; and becauſe they are
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              to be circular, the meer ſpherical figure is the moſt perfect
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              lation or flection that can be deſired.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg462"/>
                <emph type="italics"/>
              It is deſired to
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              know, by means of
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              what flexures and
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              joynts the
                <emph.end type="italics"/>
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              ſtrial Globe
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              might
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              move with three
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              diverſe motions.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg463"/>
                <emph type="italics"/>
              One only
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              ple may cauſe a
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              plurality of
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              ons in the Earth.
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              </s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>The moſt that ought to be granted upon this, would be,
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              that it may hold true in one ſingle motion, but in three different
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              motions, in my opinion, and that of the Author, it is
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              ble; as he going on, proſecuting the objection, writes in the
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              lowing words.
                <emph type="italics"/>
              Let us ſuppoſe, with
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              Copernicus,
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              that the Earth
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              moveth of its own faculty, and upon an intrinſick principle from
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              Weſt to Eaſt in the plane of the Ecliptick; and again, that it alſo
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              by an intrinſick principle revolveth about its centre, from Eaſt to
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              Weſt; and for a third motion, that it of its own inclination
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              cteth from North to South, and ſo back again.
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              It being a
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              nuate body, and not knit together with joints and flections, our
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              fancy and our judgment will never be able to comprehend, that
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              one and the ſame natural and indiſtinct principle, that is, that
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              one and the ſame propenſion, ſhould actuate it at the ſame inſtant
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              with different, and as it were of contrary motions. </s>
              <s>I cannot
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              lieve that any one would ſay ſuch a thing, unleſſe he had
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              took to maintain this poſition right or wrong.</s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>Stay a little; and find me out this place in the Book.
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                <emph type="italics"/>
              Fingamus modo cum Copernico terram aliqua ſuâ vi, & ab indito
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              principio impelli ab Occaſu ad Ortum in Eclipticæ plano; tum
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              ſus revolvi ab indito etiam principio, circa ſuimet centrum, ab
                <emph.end type="italics"/>
                <lb/>
                <arrow.to.target n="marg464"/>
                <lb/>
                <emph type="italics"/>
              Ortu in Occaſum; tertio deſlecti rurſus ſu opte nutu à
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              ne in Auſtrum, & viciſſim.
                <emph.end type="italics"/>
              I had thought,
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              Simplicius,
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              that
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              that you might have erred in reciting the words of the
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              thor, but now I ſee that he, and that very groſſely,
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              veth himſelf; and to my grief, I find that he hath ſet himſelf to
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              oppoſe a poſition, which he hath not well underſtood; for theſe
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              are not the motions which
                <emph type="italics"/>
              Copernicus
                <emph.end type="italics"/>
              aſſignes to the Earth.
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              </s>
              <s>Where doth he find that
                <emph type="italics"/>
              Copernicus
                <emph.end type="italics"/>
              maketh the annual motion
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              by the Ecliptick contrary to the motion about its own centre? </s>
              <s>It
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              muſt needs be that he never read his Book, which in an hundred
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              places, and in the very firſt Chapters affirmeth thoſe motions to
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              be both towards the ſame parts, that is from Weſt to Eaſt.
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              </s>
              <s>But without others telling him, ought he not of himſelf to
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              prehend, that attributing to the Earth the motions that are ta
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              ken, one of them from the Sun, and the other from the
                <emph type="italics"/>
                <lb/>
              mum wobile,
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              they muſt of neceſſity both move one and the ſame
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                <lb/>
                <arrow.to.target n="marg465"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg464"/>
                <emph type="italics"/>
              A groſſe error
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              of the oppoſer of
                <emph.end type="italics"/>
                <lb/>
              Copernicus.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg465"/>
                <emph type="italics"/>
              A ſubtil and
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              withal ſimple
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              gument againſt
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              Copernicus.</s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>Take heed that you do not erre your ſelf, and
                <emph type="italics"/>
                <lb/>
              cus
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              alſo. </s>
              <s>The Diurnal motion of the
                <emph type="italics"/>
              primum mobile,
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              is it not from </s>
            </p>
          </chap>
        </body>
      </text>
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