Bianconi, Giovanni Lodovico, Due lettere di fisica al signor marchese Scipione Maffei, 1746

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68 ((LX))
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            tant’ aria contengaſi quanta biſognavi a
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            far queſto gioco; </s>
            <s xml:id="echoid-s241" xml:space="preserve">perchè gli è impercet-
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            tibile a qual ſegno la natura comprima
              <lb/>
            queſto fluido vitale nelle piante e nei
              <lb/>
            frutti. </s>
            <s xml:id="echoid-s242" xml:space="preserve">Chi di noi non ha veduto, ſenza
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            toccare le fiſiche eſperienze, quant’ aria
              <lb/>
            ſprigioniſi da un legno che arde, allora
              <lb/>
            quando come ce lo dipinge Dante _da_
              <lb/>
            _un dei lati geme,_
              <lb/>
            _e cigola per vento, che va via?_
              <lb/>
            </s>
            <s xml:id="echoid-s243" xml:space="preserve">Quanta mai da un pomo o da altro frut-
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            to, ſe ſopra le brage ponſi a cuocere,
              <lb/>
            durando egli alle volte molti minuti a ſof-
              <lb/>
            fiare impetuoſiſſimamente a ſegno di fare
              <lb/>
            alzar la fiamma ai carboni contra dei
              <lb/>
            quali ſoffia?</s>
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            <s xml:id="echoid-s245" xml:space="preserve">Ne ſegue al contrario, che in neſſuna
              <lb/>
            maniera aumenteraſſi lo ſtrepito, ſe den-
              <lb/>
            tro alla palla in vece di legno rinchiudaſi
              <lb/>
            uno di quei corpi dai quali o niente o
              <lb/>
            quaſi niente di aria potrà ſprigionarſi.</s>
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