Gravesande, Willem Jacob 's, Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1

List of thumbnails

< >
91
91 (43) 		92
92 (44)
93
93 (45) 		94
94 (46)
95
95 (47) 		96
96 (48)
97
97 		98
98
99
99 		100
100 (49)
< >
page |< < (43) of 824 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div330" type="section" level="1" n="113">
          <p>
            <s xml:id="echoid-s2004" xml:space="preserve">
              <pb o="43" file="0085" n="91" rhead="MATHEMATICA. LIB. I. CCP. XIII."/>
            tìum verò, per quod ligni partes, aut corpora, a ſe mutuo
              <lb/>
            recedunt, eſt baſis cunei. </s>
            <s xml:id="echoid-s2005" xml:space="preserve">Unde ſequitur,</s>
          </p>
          <p style="it">
            <s xml:id="echoid-s2006" xml:space="preserve">‘Potentiam ſe habere ad corporum ſeparandorum reſiſten-
              <lb/>
              <note position="right" xlink:label="note-0085-01" xlink:href="note-0085-01a" xml:space="preserve">204.</note>
            tiam, quando cum hac æquè pollet, ut baſis cunei, adillius al-
              <lb/>
            titudinem .</s>
            <s xml:id="echoid-s2007" xml:space="preserve"/>
          </p>
          <note symbol="*" position="right" xml:space="preserve">112.</note>
          <p>
            <s xml:id="echoid-s2008" xml:space="preserve">Quando agitur de ligno findendo, regula hæclocum non
              <lb/>
              <note position="right" xlink:label="note-0085-03" xlink:href="note-0085-03a" xml:space="preserve">205.</note>
            habet; </s>
            <s xml:id="echoid-s2009" xml:space="preserve">quia non per æqualia ſpatia ſingulæ ligni partes ce-
              <lb/>
            dunt, & </s>
            <s xml:id="echoid-s2010" xml:space="preserve">quia, partibus quam minime ſeparatis, cohæren-
              <lb/>
            tia in totum toliitur. </s>
            <s xml:id="echoid-s2011" xml:space="preserve">Quæ ad lignum findendum ſpectant
              <lb/>
            in ſequenti Scholio explicantur.</s>
            <s xml:id="echoid-s2012" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div334" type="section" level="1" n="114">
          <head xml:id="echoid-head165" xml:space="preserve">
            <emph style="sc">Machina</emph>
          </head>
          <head xml:id="echoid-head166" xml:space="preserve">Qua cunei affectiones demonſtrantur.</head>
          <p>
            <s xml:id="echoid-s2013" xml:space="preserve">Tabella T, longitudinis ſex poll.</s>
            <s xml:id="echoid-s2014" xml:space="preserve">, latitudinis quatuor poll.
              <lb/>
            </s>
            <s xml:id="echoid-s2015" xml:space="preserve">
              <note position="right" xlink:label="note-0085-04" xlink:href="note-0085-04a" xml:space="preserve">206.</note>
            cum ſemiſſe, in ſitu horizontali firmatur, ad altitudinem
              <lb/>
              <note position="right" xlink:label="note-0085-05" xlink:href="note-0085-05a" xml:space="preserve">TAB. VIII
                <lb/>
              fig. 5.</note>
            circiter trium pedum ſupra menſam M.</s>
            <s xml:id="echoid-s2016" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2017" xml:space="preserve">Hoc commodè fit ope columnæ firmæ C, cui in ſuperio-
              <lb/>
            ri parte cohæret lignum horizontale B, in cujus extre-
              <lb/>
            mo cavum quadratum datur, in quo intruditur cauda li-
              <lb/>
            gnèa, quæ cum tabella cohæret, & </s>
            <s xml:id="echoid-s2018" xml:space="preserve">quæ cum cavo exa-
              <lb/>
            cte congruit; </s>
            <s xml:id="echoid-s2019" xml:space="preserve">quare facile & </s>
            <s xml:id="echoid-s2020" xml:space="preserve">firmatur, & </s>
            <s xml:id="echoid-s2021" xml:space="preserve">ex ſitu tollitur,
              <lb/>
            tabella T.</s>
            <s xml:id="echoid-s2022" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2023" xml:space="preserve">Ad quatuor hujus angulos foramina dantur a, a, b, b.
              <lb/>
            </s>
            <s xml:id="echoid-s2024" xml:space="preserve">per quæ funes tranſeunt, in ipſis foraminibus fixi; </s>
            <s xml:id="echoid-s2025" xml:space="preserve">ſunt hi
              <lb/>
            æquales inter ſe circiter tres pedes longi.</s>
            <s xml:id="echoid-s2026" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2027" xml:space="preserve">Hiſce funibus ſuſpenduntur lamellæ æneæ quatuor, ut e
              <lb/>
            & </s>
            <s xml:id="echoid-s2028" xml:space="preserve">e; </s>
            <s xml:id="echoid-s2029" xml:space="preserve">ſed quæ diſtinctius, & </s>
            <s xml:id="echoid-s2030" xml:space="preserve">juxta veras dimenſiones, repræ-
              <lb/>
            ſentantur in E aut E.</s>
            <s xml:id="echoid-s2031" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2032" xml:space="preserve">Ope harum duo ſuſpenduntur cylindri lignei h, h; </s>
            <s xml:id="echoid-s2033" xml:space="preserve">ſe-
              <lb/>
            ctio juxta axem repræſentatur in H; </s>
            <s xml:id="echoid-s2034" xml:space="preserve">altitudo inter t & </s>
            <s xml:id="echoid-s2035" xml:space="preserve">t,
              <lb/>
            ubi baſes paulum prominent, æqualis eſt diſtantiæ inter fo-
              <lb/>
            ramina a & </s>
            <s xml:id="echoid-s2036" xml:space="preserve">b in tabella T: </s>
            <s xml:id="echoid-s2037" xml:space="preserve">cylindrorum axes ulterius prominent,
              <lb/>
            chalybei ſunt, & </s>
            <s xml:id="echoid-s2038" xml:space="preserve">tenues, ut tr, tr; </s>
            <s xml:id="echoid-s2039" xml:space="preserve">hi per lamellarum, ut E,
              <lb/>
            foramina majora tranſeunt, cum quibus congruunt; </s>
            <s xml:id="echoid-s2040" xml:space="preserve">ita ta-
              <lb/>
            men ut in his quam liberrimè rotari poſſint.</s>
            <s xml:id="echoid-s2041" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2042" xml:space="preserve">Cylindrorum diametri ſunt duorum pollicum cum ſemiſ-
              <lb/>
            ſe; </s>
            <s xml:id="echoid-s2043" xml:space="preserve">in medio pars datur tenuior, long tudinis quatuor </s>
          </p>
        </div>
      </text>
    </echo>
Impressum