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

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            <s xml:id="echoid-s8737" xml:space="preserve">
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            cui inſeritur conus truncatus H (fig. </s>
            <s xml:id="echoid-s8738" xml:space="preserve">3.) </s>
            <s xml:id="echoid-s8739" xml:space="preserve">buxeus, cujus exte-
              <lb/>
            rior ſuperficies, cum interiori cavitatis ſuperficie congruit
              <lb/>
            ita, ut conus circa axem in hac cavitate rotari poſſit, dum
              <lb/>
            firmiter retinetur cochleâ R, laminam æneam QO trajici-
              <lb/>
            ente.</s>
            <s xml:id="echoid-s8740" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8741" xml:space="preserve">Ad angulos rectos cohæret conus truncatus H cum
              <lb/>
            cylindro IL, conumque cum cylindro flexa trajicit
              <lb/>
            cavitas b i l, ejuſdem diametri cum cavitate b c, & </s>
            <s xml:id="echoid-s8742" xml:space="preserve">huic
              <lb/>
            reſpondens. </s>
            <s xml:id="echoid-s8743" xml:space="preserve">Latior autem illa eſt in L, ut ipſi inſeratur tu-
              <lb/>
            bus vitreus NM.</s>
            <s xml:id="echoid-s8744" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8745" xml:space="preserve">Tubilongitudo eſt ſeſqui pedis, extremitas altera videtur
              <lb/>
            in NM, (fig. </s>
            <s xml:id="echoid-s8746" xml:space="preserve">5.) </s>
            <s xml:id="echoid-s8747" xml:space="preserve">quæ inſeritur cylindro buxeo LI ad for-
              <lb/>
            mam gnomonis excavati in l i b; </s>
            <s xml:id="echoid-s8748" xml:space="preserve">in b c datur cavitas ma-
              <lb/>
            jor, cui inſeritur conus truncatus ED, quo hæc exacte re-
              <lb/>
            pletur, & </s>
            <s xml:id="echoid-s8749" xml:space="preserve">qui in hac circa axem convertitur, ope manu-
              <lb/>
            brii EA.</s>
            <s xml:id="echoid-s8750" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8751" xml:space="preserve">Cavitas b i reſpondet cavitati d e, quæ communicatur cum
              <lb/>
            f g; </s>
            <s xml:id="echoid-s8752" xml:space="preserve">pars hæc buxi annulo ferreo BQ circumdatur, in quo
              <lb/>
            exiguum admodum datur foramen g, quod, partibus ma-
              <lb/>
            chinæ junctis, cum cavitate pyxidis P (fig. </s>
            <s xml:id="echoid-s8753" xml:space="preserve">2.) </s>
            <s xml:id="echoid-s8754" xml:space="preserve">communica-
              <lb/>
            tionem habet.</s>
            <s xml:id="echoid-s8755" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8756" xml:space="preserve">Ne tubus frangatur, extremitates L, L, cylindrorum bu-
              <lb/>
            xeorum (fig. </s>
            <s xml:id="echoid-s8757" xml:space="preserve">3. </s>
            <s xml:id="echoid-s8758" xml:space="preserve">& </s>
            <s xml:id="echoid-s8759" xml:space="preserve">5.) </s>
            <s xml:id="echoid-s8760" xml:space="preserve">cum tubo applicantur regulæ ligneæ
              <lb/>
            m n (fig. </s>
            <s xml:id="echoid-s8761" xml:space="preserve">1.)</s>
            <s xml:id="echoid-s8762" xml:space="preserve">. </s>
            <s xml:id="echoid-s8763" xml:space="preserve">Cum hujus extremitate inferiori m jungitur
              <lb/>
            lamina ferrea, (ut videtur in fig. </s>
            <s xml:id="echoid-s8764" xml:space="preserve">6.) </s>
            <s xml:id="echoid-s8765" xml:space="preserve">cujus extremitas LPBQ
              <lb/>
            gnomonis duplicati ſpeciem fert: </s>
            <s xml:id="echoid-s8766" xml:space="preserve">cum extremitas L (fig.
              <lb/>
            </s>
            <s xml:id="echoid-s8767" xml:space="preserve">5.) </s>
            <s xml:id="echoid-s8768" xml:space="preserve">cylindri buxei applicetur extremitati regulæ MN, I
              <lb/>
            fig. </s>
            <s xml:id="echoid-s8769" xml:space="preserve">5. </s>
            <s xml:id="echoid-s8770" xml:space="preserve">cum I fig. </s>
            <s xml:id="echoid-s8771" xml:space="preserve">6. </s>
            <s xml:id="echoid-s8772" xml:space="preserve">congruit, & </s>
            <s xml:id="echoid-s8773" xml:space="preserve">cochlea Q in o comprimit
              <lb/>
            cylindrum BD fig. </s>
            <s xml:id="echoid-s8774" xml:space="preserve">5.</s>
            <s xml:id="echoid-s8775" xml:space="preserve">, huncque firmiter cum cylindro LI
              <lb/>
            conjungit.</s>
            <s xml:id="echoid-s8776" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8777" xml:space="preserve">Machinæ omnes partes conjunctæ videntur in fig. </s>
            <s xml:id="echoid-s8778" xml:space="preserve">1.</s>
            <s xml:id="echoid-s8779" xml:space="preserve">; hy-
              <lb/>
            drargyrum pyxidi p infunditur, & </s>
            <s xml:id="echoid-s8780" xml:space="preserve">ex foramine g fig. </s>
            <s xml:id="echoid-s8781" xml:space="preserve">5.
              <lb/>
            </s>
            <s xml:id="echoid-s8782" xml:space="preserve">proſilit. </s>
            <s xml:id="echoid-s8783" xml:space="preserve">Manente mercurio ad eandem altitudinem in pyxi-
              <lb/>
            de, & </s>
            <s xml:id="echoid-s8784" xml:space="preserve">non variata regulæ n m inclinatione, eadem cum ce-
              <lb/>
            leritate, juxta directionem quamcunque, proſilit hydrargy-
              <lb/>
            rum; </s>
            <s xml:id="echoid-s8785" xml:space="preserve">variatur autem inclinatio directionis, motu </s>
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