Angeli, Stefano degli, Della gravita' dell' aria e fluidi : esercitata principalmente nelli loro homogenei

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            <s xml:id="echoid-s1883" xml:space="preserve">_Conte._ </s>
            <s xml:id="echoid-s1884" xml:space="preserve">Caro Sig. </s>
            <s xml:id="echoid-s1885" xml:space="preserve">Ofredi l’aſſegni V. </s>
            <s xml:id="echoid-s1886" xml:space="preserve">S. </s>
            <s xml:id="echoid-s1887" xml:space="preserve">perche per hora io non
              <lb/>
            hò volontà d’andar à vedere, coſa dica il Galileo.</s>
            <s xml:id="echoid-s1888" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1889" xml:space="preserve">_Ofred._ </s>
            <s xml:id="echoid-s1890" xml:space="preserve">V. </s>
            <s xml:id="echoid-s1891" xml:space="preserve">S. </s>
            <s xml:id="echoid-s1892" xml:space="preserve">ha piacere ch’io ricucini li Cauoli: </s>
            <s xml:id="echoid-s1893" xml:space="preserve">biſogna ſeruirla.
              <lb/>
            </s>
            <s xml:id="echoid-s1894" xml:space="preserve">Io credo che V. </s>
            <s xml:id="echoid-s1895" xml:space="preserve">S. </s>
            <s xml:id="echoid-s1896" xml:space="preserve">s’arricordi beniſſimo di quella propoſitio-
              <lb/>
            ne fondamentale della mecanica, viſta anco dalli ciechi nati,
              <lb/>
            cioè che nella leua A B, nella quale ſia il ſoſtentacolo C, vna
              <lb/>
            pochiſſima forza, ò peſo poſto in A, è ſufficiente à ſoſtenere
              <lb/>
            vn grandiſſimo peſo poſto in B, ogni qual volta che la pro-
              <lb/>
            portione, che hà il peſo poſto in B, à quello poſto in A, l’hab-
              <lb/>
            bia reciprocamente la diſtanza A C, alla diſtanza C B.</s>
            <s xml:id="echoid-s1897" xml:space="preserve"/>
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            <s xml:id="echoid-s1898" xml:space="preserve">_Conte._ </s>
            <s xml:id="echoid-s1899" xml:space="preserve">Non vuole ch’io la vedi, mentre per gratia di Dio, ſono
              <lb/>
            nato con tutti due li occhi, che fanno anco beniſſimo il lo-
              <lb/>
            ro vfficio? </s>
            <s xml:id="echoid-s1900" xml:space="preserve">Me l’arricordo adunque, e sò ch’è il fondamento
              <lb/>
            della no tra ſtadera, nella quale il picciol Marco, ò Romano
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            poſto in A, equilibra il gran peſo poſto in B.</s>
            <s xml:id="echoid-s1901" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1902" xml:space="preserve">_Ofred._ </s>
            <s xml:id="echoid-s1903" xml:space="preserve">Il punto ſtà in ſapere la cagione di queſto equilibrio. </s>
            <s xml:id="echoid-s1904" xml:space="preserve">Vna
              <lb/>
            aſſai probabile, e congrua n’aſſegna il medemo Galileo nel-
              <lb/>
            la ſua mecanica, cioè che hauendo momẽti eguali, la natura
              <lb/>
            non intraprẽde à far le coſe irragioneuoli; </s>
            <s xml:id="echoid-s1905" xml:space="preserve">quale ſarebbe ſe ſi
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            moueſſero; </s>
            <s xml:id="echoid-s1906" xml:space="preserve">poiche ſe il graue B, maggiore diſcẽdeſſe in E, & </s>
            <s xml:id="echoid-s1907" xml:space="preserve">
              <lb/>
            alzaſſe il minor peſo A, in D, il B, ſi ſarebbe moſſo per l’arco
              <lb/>
            BE, e l’A, ſi ſarebbe moſſo per l’arco D A, maggiore di BE, nel
              <lb/>
            medemo tẽpo, & </s>
            <s xml:id="echoid-s1908" xml:space="preserve">in cõſeguẽza cõ maggior velocità. </s>
            <s xml:id="echoid-s1909" xml:space="preserve">E pche
              <lb/>
              <figure xlink:label="fig-00063-01" xlink:href="fig-00063-01a" number="16">
                <image file="00063-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/9EXVCG1R/figures/00063-01"/>
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            il graue B, al graue A, hà la proportione, che ha la’diſtanza
              <lb/>
            A C, alla diſtanza C B; </s>
            <s xml:id="echoid-s1910" xml:space="preserve">e queſta è la medema che quella dell’-
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            arco D A, all’ arco BE; </s>
            <s xml:id="echoid-s1911" xml:space="preserve">cioè che quella della velocità, con </s>
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