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

Page concordance

< >
Scan Original
71
72
73
74
75
76
77
< >
page |< < of 77 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <pb pagenum="440"/>
            <p type="margin">
              <s>
                <margin.target id="marg1482"/>
                <emph type="italics"/>
              A
                <emph.end type="italics"/>
              Magnetiſme in
                <lb/>
              the
                <emph type="italics"/>
              A
                <emph.end type="italics"/>
              ir, by which
                <lb/>
              it bears up thoſe
                <lb/>
              Solids in the
                <lb/>
              ter, that are
                <lb/>
              tiguous with it.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1483"/>
              The Effect of
                <lb/>
              the Airs
                <lb/>
              guity in the
                <lb/>
              tation of Solids.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1484"/>
              The force of
                <lb/>
              Contact.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1485"/>
                <emph type="italics"/>
              A
                <emph.end type="italics"/>
              n
                <lb/>
              on of
                <lb/>
              ion betwixt
                <lb/>
              lids and the Air
                <lb/>
              contiguous to
                <lb/>
              them.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1486"/>
              The like
                <lb/>
              ation of
                <lb/>
              junction
                <lb/>
              twixt Solids &
                <lb/>
              the water.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1487"/>
              Alſo the like
                <lb/>
              affectation and
                <lb/>
              Conjunction
                <lb/>
              twixt Solids
                <lb/>
              themſeives.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1488"/>
              Contact may
                <lb/>
              be the Cauſe of
                <lb/>
              the Continuity
                <lb/>
              of Naturall
                <lb/>
              dies.</s>
            </p>
            <p type="main">
              <s>Now, purſuing my purpoſe, I ſay; that it needs not, that we have
                <lb/>
              recourſe to the Tenacity, that the parts of the water have amongſt
                <lb/>
              ſelves, by which they reſiſt and oppoſe Diviſion, Diſtraction, and Seper­
                <lb/>
              ration, becauſe there is no ſuch Coherence and Reſiſtance of
                <lb/>
              for if there were, it would be no leſs in the internall parts than in
                <lb/>
              nearer the ſuperiour or externall Surface, ſo that the ſame Board,
                <lb/>
              ing alwayes the ſame Reſiſtance and Renitence, would no leſs ſtop
                <lb/>
              the middle of the water than about the Surface, which is falſe.
                <lb/>
              </s>
              <s>over, what Reſiſtance can we place in the Continuity of the water
                <lb/>
              if we ſee that it is impoſſible to ſind any Body of whatſoever Matter
                <lb/>
              Figure or Magnitude, which being put into the water, ſhall be
                <lb/>
              and impeded by the Tenacity of the parts of the water to one another
                <lb/>
              ſo, but that it is moved upwards or downwards, according as the Cauſe
                <lb/>
              of their Motion tranſports it? </s>
              <s>And, what greater proof of it can we
                <lb/>
              ſier, than that which we daily ſee in Muddy waters, which being put into
                <lb/>
              Veſſels to be drunk, and being, after ſome hours ſetling, ſtill, as we
                <lb/>
                <arrow.to.target n="marg1489"/>
                <lb/>
              thick in the end, after four or ſix dayes they are wholly ſetled, and be­
                <lb/>
              come pure and clear? </s>
              <s>Nor can their Reſiſtance of Penetration ſtay thoſe
                <lb/>
              impalpable and inſenſible Atomes of Sand, which by reaſon of
                <lb/>
              exceeding ſmall force, ſpend ſix dayes in deſcending the ſpace of
                <lb/>
              a yard.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1489"/>
                <emph type="italics"/>
              T
                <emph.end type="italics"/>
              he ſettlement
                <lb/>
              of
                <emph type="italics"/>
              M
                <emph.end type="italics"/>
              uddy
                <lb/>
              ter, proveth that
                <lb/>
              that Element
                <lb/>
              hath no
                <lb/>
              on to Diviſion.</s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Nor let them ſay, that the ſeeing of ſuch ſmall Bodies, conſume ſix dayes
                <lb/>
              deſcending ſo little a way, is a ſufficient Argument of the Waters
                <lb/>
              of Diviſion; becauſe that is no reſiſting of Diviſion, but a retarding of
                <emph.end type="italics"/>
                <lb/>
                <arrow.to.target n="marg1490"/>
                <lb/>
                <emph type="italics"/>
              Motion; and it would be ſimplicity to ſay, that a thing oppoſeth Diviſion
                <lb/>
              and that in the ſame inſtant, it permits it ſelf to be divided: nor doth the
                <lb/>
              Retardation of Motion at all favour the Adverſaries cauſe, for that they
                <lb/>
              to inſtance in a thing that wholly prohibiteth Motion, and procureth
                <lb/>
              it is neceſſary, therefore, to find out Bodies that ſtay in the water, if one would
                <lb/>
              ſhew its repugnancy to Diviſion, and not ſuch as move in it, howbeit
                <lb/>
              ſlowly.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1490"/>
              Water cannot
                <lb/>
              oppoſe diviſion,
                <lb/>
              and at the ſame
                <lb/>
              time permit it
                <lb/>
              ſelf to be
                <lb/>
              ded.</s>
            </p>
            <p type="main">
              <s>What then is this Craſſitude of the water, with which it reſiſteth Di­
                <lb/>
              viſion? </s>
              <s>What, I beſeech you, ſhould it be, if we (as we have ſaid
                <lb/>
              with all diligence attempting the reduction of a Matter into ſo like a
                <lb/>
              Gravity with the water, that forming it into a dilated Plate it reſts ſuſ­
                <lb/>
              pended as we have ſaid, between the two waters, it be impoſſible
                <lb/>
              effect it, though we bring them to ſuch an Equiponderance, that
                <lb/>
              much Lead as the fourth part of a Grain of Muſterd-ſeed, added to
                <lb/>
              ſame expanded Plate, that in Air [
                <emph type="italics"/>
              i. </s>
              <s>e. </s>
              <s>out of the water
                <emph.end type="italics"/>
              ] ſhall weigh four
                <lb/>
              or fix pounds, ſinketh it to the Bottom, and being ſubſtracted, it
                <lb/>
              to the Surface of the water? </s>
              <s>I cannot ſee, (if what I ſay be true, as it
                <lb/>
              moſt certain) what minute vertue and force we can poſſibly find or
                <lb/>
              gine, to which the Reſiſtance of the water againſt Diviſion and </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum