Galilei, Galileo, The systems of the world, 1661

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="065/01/160.jpg" pagenum="152"/>
              calm and tranquill. </s>
              <s>And if I had continually held that pen in
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              my hand, and had onely moved it ſometimes an inch or two this
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              way or that way, what alteration ſhould I have made in that its
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              principal, and very long tract or ſtroke?</s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>Leſs than that which the declining in ſeveral places from
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              abſolute rectitude, but the quantity of a flea's eye makes in a right
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              line of a thouſand yards long.</s>
            </p>
            <p type="main">
              <s>SAGR. </s>
              <s>If a Painter, then, at our launching from the Port, had
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              began to deſign upon a paper with that pen, and continued his
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              work till he came to
                <emph type="italics"/>
              Scanderon,
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              he would have been able to have
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              taken by its motion a perfect draught of all thoſe figures perfectly
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              interwoven and ſhadowed on ſeveral ſides with countreys,
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              ings, living creatures, and other things; albeit all the true, real,
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              and eſſential motion traced out by the neb of that pen, would
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              have been no other than a very long, but ſimple line: and as to
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              the proper operation of the Painter, he would have delineated the
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              ſame to an hair, if the ſhip had ſtood ſtill. </s>
              <s>That therefore of the
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              huge long motion of the pen there doth remain no other marks,
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              than thoſe tracks drawn upon the paper, the reaſon thereof is
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              cauſe the grand motion from
                <emph type="italics"/>
              Venice
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              to
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              Scanderon,
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              was common to
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              the paper, the pen, and all that which was in the ſhip: but the petty
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              motions forwards and backwards, to the right, to the left,
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              municated by the fingers of the Painter unto the pen, and not to
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              the paper, as being peculiar thereunto, might leave marks of it ſelf
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              upon the paper, which did not move with that motion. </s>
              <s>Thus it
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              is likewiſe true, that the Earth moving, the motion of the ſtone in
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              deſcending downwards, was really a long tract of many hundreds
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              and thouſands of yards, and if it could have been able to have
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              lineated in a calm air, or other ſuperficies, the track of its courſe,
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              it would have left behind an huge long tranſverſe line. </s>
              <s>But that
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              part of all this motion which is common to the ſtone, the Tower,
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              and our ſelves, is imperceptible to us, and as if it had never been,
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              and that part onely remaineth obſervable, of which neither the
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              Tower nor we are partakers, which is in fine, that wherewith the
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              ſtone falling meaſureth the Tower.</s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>A moſt witty conceipt to clear up this point, which was
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              not a little difficult to many capacities. </s>
              <s>Now if
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              Simplicius
                <emph.end type="italics"/>
              will
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              make no farther reply, we may paſs to the other experiments, the
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              unfolding of which will receive no ſmall facility from the things
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              already declared.</s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>I have nothing more to ſay: and I was well-nigh
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              ported with that delineation, and with thinking how thoſe ſtrokes
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              drawn ſo many ways, hither, thither, upwards, downwards,
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              wards, backwards, and interwoven with thouſands of turnings, are
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              not eſſentially or really other, than ſmall pieces of one ſole line </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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