Stevin, Simon, Mathematicorum hypomnematum... : T. 4: De Statica : cum appendice et additamentis, 1605

Page concordance

< >
Scan Original
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 20
21 21
22 22
23 23
24 24
25 25
26 26
27 27
28 28
29 29
30 30
31 31
32 32
33 33
34 34
35 35
36 36
37 37
38 38
39 39
40 40
< >
page |< < (19) of 197 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div94" type="section" level="1" n="78">
          <pb o="19" file="527.01.019" n="19" rhead="*DE STATICÆ ELEMENTIS.*"/>
        </div>
        <div xml:id="echoid-div95" type="section" level="1" n="79">
          <head xml:id="echoid-head88" xml:space="preserve">NOTATO.</head>
          <p>
            <s xml:id="echoid-s514" xml:space="preserve">Quemadmodum Arithmeticæ & </s>
            <s xml:id="echoid-s515" xml:space="preserve">Geometricæ propoſitiones diverſas pra-
              <lb/>
            gmatias habent, ita etiam *STATICAE*, de columna enim ſegmentum deſe-
              <lb/>
            cari poſſet, cujus ratio ad totam eſſepoſſet,
              <lb/>
              <figure xlink:label="fig-527.01.019-01" xlink:href="fig-527.01.019-01a" number="26">
                <image file="527.01.019-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/527.01.019-01"/>
              </figure>
            quæ eſt 2 ad 3. </s>
            <s xml:id="echoid-s516" xml:space="preserve">Aut etiam columnâ integrâ
              <lb/>
            manente quævis alia materia contra illam
              <lb/>
            ponderari poſſet, indeq́ue {1/3} auferri, verum
              <lb/>
            Staticè illud ipſum efficere volumus, hoc
              <lb/>
            pacto.</s>
            <s xml:id="echoid-s517" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div97" type="section" level="1" n="80">
          <head xml:id="echoid-head89" xml:space="preserve">PRAGMATIA.</head>
          <p>
            <s xml:id="echoid-s518" xml:space="preserve">A centro G, F verſus 5 puncta (5 ſcilicet
              <lb/>
            pro toto datorum terminorum 2 & </s>
            <s xml:id="echoid-s519" xml:space="preserve">3) ut
              <lb/>
            H, I, K, L, M æqualiter ſpacio inter ſe diſſi-
              <lb/>
            ta, ſignanda erunt, & </s>
            <s xml:id="echoid-s520" xml:space="preserve">in ſecundo puncto I (à ſecundo puncto inquam, quia
              <lb/>
            2 datorum numerorum alter eſt) columna è pendulâ gravitatis diametro I N
              <lb/>
            ſuſpendenda, necnon ex quinto puncto M aliquod pondus demittendum,
              <lb/>
            ut O tantæ gravitatis, ut omnia in ſitus æquilibritate pendeant. </s>
            <s xml:id="echoid-s521" xml:space="preserve">Dico pondus
              <lb/>
            O eâ eſſe in rationead columnæ pondus, in qua eſt 2 ad 3, aut O æquare {2/3} co-
              <lb/>
            lumnæ.</s>
            <s xml:id="echoid-s522" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div98" type="section" level="1" n="81">
          <head xml:id="echoid-head90" xml:space="preserve">DEMONSTRATIO.</head>
          <p>
            <s xml:id="echoid-s523" xml:space="preserve">G gravitatis centrum eſt columnæ A B C D, M P vero pendula gravi-
              <lb/>
            tatis diametros ipſius O, propterea ut radius I G ad radium I M: </s>
            <s xml:id="echoid-s524" xml:space="preserve">ita O ad co-
              <lb/>
            lumnam per primam propoſitionem. </s>
            <s xml:id="echoid-s525" xml:space="preserve">Atqui I G rationem habet ad I M,
              <lb/>
            quam 2 ad 3, ergo & </s>
            <s xml:id="echoid-s526" xml:space="preserve">O ad columnam habet eandem rationem 2 ad 3, quod
              <lb/>
            nobis fuit demonſtrandum.</s>
            <s xml:id="echoid-s527" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div99" type="section" level="1" n="82">
          <head xml:id="echoid-head91" xml:space="preserve">NOTATO.</head>
          <p>
            <s xml:id="echoid-s528" xml:space="preserve">Etiam incommenſurabilium terminorum exempla in medium
              <note symbol="*" position="right" xlink:label="note-527.01.019-01" xlink:href="note-527.01.019-01a" xml:space="preserve"> aſymmetre-
                <lb/>
              rum.</note>
            poſſemus, niſi ex antecedentibus manifeſta eſſent, etiam ex iis, quæ de incom-
              <lb/>
            menſurabilibus magnitudinibus alibi præcepimus.</s>
            <s xml:id="echoid-s529" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div101" type="section" level="1" n="83">
          <head xml:id="echoid-head92" xml:space="preserve">2 THEOREMA. 6 PROPOSITIO.</head>
          <p>
            <s xml:id="echoid-s530" xml:space="preserve">Pendulâ columnâ per gravitatis centrum à plano ad
              <lb/>
            baſin parallelo ſectâ, firmitudinis autem puncto ſupra
              <lb/>
            gravitatis centrum fixo: </s>
            <s xml:id="echoid-s531" xml:space="preserve">Axis horizonti eſt parallelus.</s>
            <s xml:id="echoid-s532" xml:space="preserve"/>
          </p>
          <figure number="27">
            <image file="527.01.019-02" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/527.01.019-02"/>
          </figure>
          <p>
            <s xml:id="echoid-s533" xml:space="preserve">*DATVM.</s>
            <s xml:id="echoid-s534" xml:space="preserve">* A B C D columna eſto
              <lb/>
            per gravitatis centrum à plano F G ad
              <lb/>
            baſin A D parallelo ſecta, H autem
              <lb/>
            firmitudinis punctum in pendulâ gra-
              <lb/>
            vitatis diametro I G fixum, ſupra gra-
              <lb/>
            vitatis centrum E. </s>
            <s xml:id="echoid-s535" xml:space="preserve">& </s>
            <s xml:id="echoid-s536" xml:space="preserve">K L axis, M N
              <lb/>
            denique horizon.</s>
            <s xml:id="echoid-s537" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s538" xml:space="preserve">*QVAESITVM.</s>
            <s xml:id="echoid-s539" xml:space="preserve">* K L axem ad ho-
              <lb/>
            rizontem M N parallelum eſſe demon-
              <lb/>
            ſtrari oportet.</s>
            <s xml:id="echoid-s540" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div102" type="section" level="1" n="84">
          <head xml:id="echoid-head93" xml:space="preserve">DEMONSTRATIO.</head>
          <p>
            <s xml:id="echoid-s541" xml:space="preserve">Axis K L, ſi fieri quidem poteſt ab horizonte M N inæqualiter </s>
          </p>
        </div>
      </text>
    </echo>