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

List of thumbnails

< >
11
11 		12
12
13
13 		14
14
15
15 		16
16
17
17 		18
18
19
19 		20
20
< >
page |< < of 77 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="432"/>
              it into a Ball, and thruſt it unto the Bottom of the water; and
                <lb/>
              faſten to it as much Cork, or other light matter, as juſt ſerveth to
                <lb/>
              raiſe it, and draw it towards the Surface: for afterwards changing
                <lb/>
              the ſame Wax into a thin Cake, or into any other Figure, that
                <lb/>
              ſame Cork ſhall raiſe it in the ſame manner to a hair.</s>
            </p>
            <p type="main">
              <s>This ſilenceth not my Antagoniſts, but they ſay, that all the
                <lb/>
              diſcourſe hitherto made by me little importeth to them, and that it
                <lb/>
              ſerves their turn, that they have demonſtrated in one only
                <lb/>
              cular, and in what matter, and under what Figure pleaſeth them,
                <lb/>
              namely, in a Board and in a Ball of Ebony, that this put in the
                <lb/>
              water, deſcends to the Bottom, and that ſtays atop to ſwim:
                <lb/>
              and the Matter being the ſame, and the two Bodies differing in
                <lb/>
              thing but in Figure, they affirm, that they have with all perſpicuity
                <lb/>
              demonſtrated and ſenſibly manifeſted what they undertook; and
                <lb/>
              laſtly, that they have obtained their intent. </s>
              <s>Nevertheleſs, I believe,
                <lb/>
              and thinke, I can demonſtrate, that that ſame Experiment proveth
                <lb/>
              nothing againſt my Concluſion.</s>
            </p>
            <p type="main">
              <s>And firſt, it is falſe, that the Ball deſcends, and the Board not:
                <lb/>
                <arrow.to.target n="marg1466"/>
                <lb/>
              for the Board ſhall alſo deſcend, if you do to both the Figures, as
                <lb/>
              the words of our Queſtion requireth; that is, if you put them both
                <lb/>
              into the
                <lb/>
                <arrow.to.target n="marg1467"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1466"/>
              In
                <lb/>
              ments of
                <lb/>
              tion, the Solid
                <lb/>
              is to be put into,
                <lb/>
              not upon the
                <lb/>
              water.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1467"/>
              The Queſtion
                <lb/>
              of Natation
                <lb/>
              ted.</s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              The words were theſe. </s>
              <s>That the Antagoniſts having an opinion, that
                <lb/>
              the Figure would alter the Solid Bodies, in relation to the deſcending
                <lb/>
              or not deſcending, aſcending or not aſcending in the ſame
                <emph.end type="italics"/>
              Medium,
                <emph type="italics"/>
              as
                <emph.end type="italics"/>
                <lb/>
              v. </s>
              <s>gr.
                <emph type="italics"/>
              in the ſame water, in ſuch ſort, that, for Example, a Solid that
                <lb/>
              being of a Sphericall Figure, ſhall deſcend to the Bottom, being reduced
                <lb/>
              into ſome other Figure, ſhall not deſcend: I holding the contrary, do
                <lb/>
              affirm, that a Corporeall Solid Body, which reduced into a Sphericall
                <lb/>
              gure, or any other, ſhall go to the Bottom, ſhall do the like under whatſoever
                <lb/>
              other Figure, &c.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>But to be in the water, implies to be placed in the water, and by </s>
            </p>
            <p type="main">
              <s>
                <arrow.to.target n="marg1468"/>
                <lb/>
                <emph type="italics"/>
              Ariſtotles
                <emph.end type="italics"/>
              own Definition of place, to be placed, importeth to be
                <lb/>
              vironed by the Superficies of the Ambient Body, therefore, then
                <lb/>
              ſhall the two Figures be in the water, when the Superficies of the
                <lb/>
              water, ſhall imbrace and inviron them: but when the Adverſaries
                <lb/>
              ſhew the Board of Ebony not deſcending to the Bottom, they put it
                <lb/>
              not into the water, but upon the water, where being by a certain
                <lb/>
              pediment (as by and by we will ſhew) retained, it is invironed, part
                <lb/>
              by water, and part by air, which thing is contrary to our agreement,
                <lb/>
              that was, that the Bodies ſhould be in the water, and not part in
                <lb/>
              water, and part in air.</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum