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

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            <p type="main">
              <s>
                <pb xlink:href="040/01/185.jpg" pagenum="167"/>
              the difference would be very ſmall; and in the ſalts, and
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              ons of grave bodies altogether imperceptible.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg358"/>
                <emph type="italics"/>
              The anſwer to
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              the argument
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              ken from the flight
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              of birds contrary
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              to the motion of the
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              Earth.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg359"/>
                <emph type="italics"/>
              An experiment
                <lb/>
              with which alone
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              is ſhewn the nullity
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              of all the
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              ons produced
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              gainst the motion
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              of the Earth.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg360"/>
              * Tafaris,
                <emph type="italics"/>
                <lb/>
              flyes.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>SAGR. </s>
              <s>Though it came not into my thoughts to make triall of
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              theſe obſervations, when I was at Sea, yet am I confident that they
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              will ſucceed in the ſame manner, as you have related; in
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              tion of which I remember that being in my Cabbin I have asked
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              an hundred times whether the Ship moved or ſtood ſtill; and
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              ſometimes I have imagined that it moved one way, when it ſteered
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              quite another way. </s>
              <s>I am therefore as hitherto ſatisfied and
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              vinced of the nullity of all thoſe experiments that have been
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              duced in proof of the negative part. </s>
              <s>There now remains the
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              jection founded upon that which experience ſhews us, namely, that
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              a ſwift
                <emph type="italics"/>
              Vertigo
                <emph.end type="italics"/>
              or whirling about hath a faculty to extrude and
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              diſperſe the matters adherent to the machine that turns round;
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              whereupon many were of opinion, and
                <emph type="italics"/>
              Ptolomy
                <emph.end type="italics"/>
              amongſt the reſt,
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              that if the Earth ſhould turn round with ſo great velocity, the
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              ſtones and creatures upon it ſhould be toſt into the Skie, and
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              that there could not be a morter ſtrong enough to faſten buildings
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              ſo to their foundations, but that they would likewiſe ſuffer a like
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              extruſion.</s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>Before I come to anſwer this objection, I cannot but
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              take notice of that which I have an hundred times obſerved, and
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              not without laughter, to come into the minds of moſt men ſo ſoon
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              as ever they hear mention made of this motion of the Earth, which
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              is believed by them ſo fixt and immoveable, that they not only
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              ver doubted of that reſt, but have ever ſtrongly believed that all
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              other men aſwell as they, have held it to be created immoveable,
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              and ſo to have continued through all ſucceeding ages: and being
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                <arrow.to.target n="marg361"/>
                <lb/>
              ſetled in this perſwaſion, they ſtand amazed to hear that any one
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              ſhould grant it motion, as if, after that he had held it to be
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              veable, he had fondly thought it to commence its motion then
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              (and not till then) when
                <emph type="italics"/>
              Pythagoras
                <emph.end type="italics"/>
              (or whoever elſe was the firſt
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              hinter of its mobility) ſaid that it did move. </s>
              <s>Now that ſuch a
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              liſh conceit (I mean of thinking that thoſe who admit the motion
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              of the Earth, have firſt thought it to ſtand ſtill from its creation,
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              untill the time of
                <emph type="italics"/>
              Pythagoras,
                <emph.end type="italics"/>
              and have onely made it moveable
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              after that
                <emph type="italics"/>
              Pythagor as
                <emph.end type="italics"/>
              eſteemed it ſo) findeth a place in the mindes
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              of the vulgar, and men of ſhallow capacities, I do not much
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              der; but that ſuch perſons as
                <emph type="italics"/>
              Ariſtotle
                <emph.end type="italics"/>
              and
                <emph type="italics"/>
              Ptolomy
                <emph.end type="italics"/>
              ſhould alſo
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              run into this childiſh miſtake, is to my thinking a more admirable
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              and unpardonable folly.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg361"/>
                <emph type="italics"/>
              The ſtupidity of
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              ſome that think the
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              Earth to have
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              gun to move, when
                <emph.end type="italics"/>
                <lb/>
              Pythagoras
                <emph type="italics"/>
              began
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              to affirme that it
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              did ſo.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>SAGR. </s>
              <s>You believe then,
                <emph type="italics"/>
              Salviatus,
                <emph.end type="italics"/>
              that
                <emph type="italics"/>
              Ptolomy
                <emph.end type="italics"/>
              thought, that
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              in his Diſputation he was to maintain the ſtability of the Earth
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              againſt ſuch perſons, as granting it to have been immoveable,
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              till the time of
                <emph type="italics"/>
              Pythagoras,
                <emph.end type="italics"/>
              did affirm it to have been but then </s>
            </p>
          </chap>
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