Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

Page concordance

< >
Scan Original
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
< >
page |< < of 579 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000590">
                <pb pagenum="118" xlink:href="010/01/126.jpg"/>
                <arrow.to.target n="marg145"/>
              </s>
            </p>
            <p type="margin">
              <s id="s.000591">
                <margin.target id="marg145"/>
              Cap. 4. poſi­
                <lb/>
              tiuam leui­
                <lb/>
              tatem noņ
                <lb/>
              dari.</s>
            </p>
            <p type="main">
              <s id="s.000592">
                <emph type="center"/>
              PROP. LVII.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000593">
                <emph type="center"/>
                <emph type="italics"/>
              Si Aer in aqua ſolummodò leuitatem exerceret, in ea non
                <lb/>
              aſcenderet à leuitate eius poſitiua impulſus.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000594">ET primò ſupponamus prædicta elementa noņ
                <lb/>
              retinere ſimùl eodemque tempore duas oppo­
                <lb/>
              ſitas facultates grauitatis, & leuitatis, ſed ſucceſſi­
                <lb/>
              uè modò vnam, modò alteram poſſideant, prout in
                <lb/>
              diuerſis medijs fluidis collocantur, ſcilicèt aqua iņ
                <lb/>
              aere pendula ſolummodò grauis cenſeri debeat, non
                <lb/>
              autem leuis, ſi poſtmodum aqua infrà hydrargyrum
                <lb/>
              mergatur, tunc aqua leuis ſit, non autem grauis, po­
                <lb/>
                <figure id="id.010.01.126.1.jpg" xlink:href="010/01/126/1.jpg" number="50"/>
                <lb/>
              natur etiam, quod aer, ſeù
                <expan abbr="lignũ">lignum</expan>
                <lb/>
              ſub aqua demerſum leue ſit, nec
                <lb/>
              grauitatem vllam habeat. </s>
              <s id="s.000595">Con­
                <lb/>
              cipiatur poſtea vas RGHS a­
                <lb/>
              qua D plenum, & in eo merga­
                <lb/>
              tur maſſa aeris, vel ligni F, pa­
                <lb/>
              tet ergò ex ſupradicta hypo­
                <lb/>
              theſi, quod aqua D
                <expan abbr="nullã">nullam</expan>
              leuitatem, ſed tantummo­
                <lb/>
              dò grauitatem habebit, eò quòd prædicta aqua non
                <lb/>
              ſupponitur demerſa intra aliud corpus fluidum den­
                <lb/>
              ſius, & ponderoſius ipſa, ſed contigua eſt aeri. </s>
              <s id="s.000596">Mo­
                <lb/>
              dò quia aer, vel lignum F ſupponitur ab aduerſarijs
                <lb/>
              ſursùm aſcendere à G, versùs R impulſa à poſitiua
                <lb/>
              leuitate eius naturali, aqua verò circumfuſa D cona­
                <lb/>
              tum, atque impetum exercet deorsùm ab A versùs
                <lb/>
              H veluti natura eius grauitatis exigit, habebimus </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum