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

Page concordance

< >
Scan Original
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
< >
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