Galilei, Galileo, Discourse concerning the natation of bodies, 1663

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            <p type="main">
              <s>
                <pb pagenum="472"/>
              or theſe others, a ſimple negation, or privation, ſuch as Vacuity
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                <arrow.to.target n="marg1542"/>
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              would be in reference to Repletion, argueth againſt
                <emph type="italics"/>
              Democritus
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              and
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              ſaith: If it be true, as you ſuppoſe, then there ſhall be a great Maſs
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              of water, which ſhall have more of Fire, than a ſmall Maſs of Air,
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              and a great Maſs of Air, which ſhall have more of Earth than a
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              tle Maſs of water, whereby it would enſue, that a great Maſs of Air,
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              ſhould come more ſwiftly downwards, than a little quantity of
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              water: But that is never in any caſe ſoever: Therefore
                <emph type="italics"/>
              Democritus
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              diſcourſeth erroneouſly.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1540"/>
                <emph type="italics"/>
              Ariſtotle
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              ſhews
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              his deſire of
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              finding
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              critus
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              in an
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              ror, to exceed
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              that of
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              veting Truth.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1541"/>
              Cap. 5. Text 41.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1542"/>
              Id. </s>
              <s>ibid.</s>
            </p>
            <p type="main">
              <s>But in my opinion, the Doctrine of
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              Democritus,
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              is not by this
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              gation overthrown, but if I erre not, the manner of
                <emph type="italics"/>
              Ariſtotle
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              deduction
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              either concludes not, or if it do conclude any thing, it may with
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              quall force be reſtored againſt himſelf.
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              Democritus
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              will grant to
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                <emph type="italics"/>
              Ariſtotle,
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              that there may be a great Maſs of Air taken, which
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              tains more Earth, than a ſmall quantity of water, but yet will deny,
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              that ſuch a Maſs of Air, ſhall go faſter downwards than a little water,
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              and that for many reaſons. </s>
              <s>Firſt, becauſe if the greater quantity
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              of Earth, contained in the great Maſs of Air, ought to cauſe a greater
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              Velocity than a leſs quantity of Earth, contained in a little quantity
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              of water, it would be neceſſary, firſt, that it were true, that a
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              greater Maſs of pure Earth, ſhould move more ſwiftly than a leſs:
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              But this is falſe, though
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              Ariſtotle
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              in many places affirms it to be true:
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              becauſe not the greater abſolute, but the greater ſpecificall Gravity,
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                <arrow.to.target n="marg1543"/>
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              is the cauſe of greater Velocity: nor doth a Ball of Wood,
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              ing ten pounds, deſcend more ſwiftly than one weighing ten Ounces,
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              and that is of the ſame Matter: but indeed a Bullet of Lead of four
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              Ounces, deſcendeth more ſwiftly than a Ball of Wood of twenty
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              Pounds: becauſe the Lead is more grave
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              in ſpecie
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              than the Wood.
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              </s>
              <s>Therefore, its not neceſſary, that a great Maſs of Air, by reaſon of
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              the much Earth contained in it, do deſcend more ſwiftly than a little
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                <arrow.to.target n="marg1544"/>
                <lb/>
              Maſs of water, but on the contrary, any whatſoever Maſs of water,
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              ſhall move more ſwiftly than any other of Air, by reaſon the
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              pation of the terrene parts
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              in ſpecie
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              is greater in the water, than in the
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              Air. </s>
              <s>Let us note, in the ſecond place, how that in multiplying the
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              Maſs of the Air, we not only multiply that which is therein of terrene,
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              but its Fire alſo: whence the Cauſe of aſcending, no leſs encreaſeth,
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              by vertue of the Fire, than that of deſcending on the account of its
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              multiplied Earth. </s>
              <s>It was requiſite in increaſing the greatneſs of the
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              Air, to multiply that which it hath of terrene only, leaving its Fire
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              in its firſt ſtate, for then the terrene parts of the augmented Air,
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              overcoming the terrene parts of the ſmall quantity of water, it might
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              with more probability have been pretended, that the great
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              ty of Air, ought to deſcend with a greater
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              Impetus,
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              than the little
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              quantity of water.</s>
            </p>
          </chap>
        </body>
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    </archimedes>
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