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

Table of handwritten notes

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              <pb o="(LXVI)" file="0074" n="74"/>
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            le maraviglioſe Caraffe delle quali ei
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            parla. </s>
            <s xml:id="echoid-s264" xml:space="preserve">Queſte a quello che dice, (non a-
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            vendo io mai avuto la ſorte di vederne
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            alcuna, malgrado ogni poſſibile diligen-
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            za) ſono di un vetro ſottiliſſimo, han-
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            no il collo aſſai lungo e ſtretto e la lo-
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            ro capacità piatta, cioè molto più lar-
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            ga che alta. </s>
            <s xml:id="echoid-s265" xml:space="preserve">Il loro fondo è ſempre o
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            all’ infuori conveſſo o all’ indentro con-
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            cavo, e ſe è il primo, ponendo all’ ori-
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            ficio della Caraffa la bocca e ſucchian-
              <lb/>
            done deſtramente l’ aria contenuta, ve-
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            deſi che il fondo ritiraſi indentro e con
              <lb/>
            terribile ſtrepito di conveſſo ch’ egli era
              <lb/>
            diventa concavo. </s>
            <s xml:id="echoid-s266" xml:space="preserve">Reciprocamente ſe al-
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            lora ſoffiaſi novamente l’ aria dentro al-
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            la Caraffa, ritorna il fondo con ugual
              <lb/>
            rumore a diventar conveſſo qual prima.
              <lb/>
            </s>
            <s xml:id="echoid-s267" xml:space="preserve">Quali belle ſcoperte forſe non ſi fareb-
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            bero da qualche paziente oſſervatore, ſe
              <lb/>
            prendeſſe ad eſaminar la maniera con </s>
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