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

Table of handwritten notes

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            <s xml:id="echoid-s4697" xml:space="preserve">
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            ſtipi; </s>
            <s xml:id="echoid-s4698" xml:space="preserve">e che in conſeguenza il vaſo ſi renda, ſe puole; </s>
            <s xml:id="echoid-s4699" xml:space="preserve">e quan-
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            do non può più che ſi ſpezzi.</s>
            <s xml:id="echoid-s4700" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4701" xml:space="preserve">_Ofr_. </s>
            <s xml:id="echoid-s4702" xml:space="preserve">Queſt’eſ perienza non è bruta. </s>
            <s xml:id="echoid-s4703" xml:space="preserve">Tanto che l’ampolla del
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            Sig. </s>
            <s xml:id="echoid-s4704" xml:space="preserve">Berigardo potrà tanto dimergerſi, che finalmente ſe
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            ſpezzi.</s>
            <s xml:id="echoid-s4705" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4706" xml:space="preserve">_Mat_. </s>
            <s xml:id="echoid-s4707" xml:space="preserve">Chi ne hà dubio E ciò tanto più preſto, quanto ſarà me-
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            no sferica, e rotonda; </s>
            <s xml:id="echoid-s4708" xml:space="preserve">perche queſta figura arrecca mag-
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            gior reſiſtenza alli vaſi. </s>
            <s xml:id="echoid-s4709" xml:space="preserve">Hora Sig. </s>
            <s xml:id="echoid-s4710" xml:space="preserve">Oſredi V. </s>
            <s xml:id="echoid-s4711" xml:space="preserve">S. </s>
            <s xml:id="echoid-s4712" xml:space="preserve">hauerà oſ-
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            ſeruato, che premendo vna veſcica gonfia con le mani, ò
              <lb/>
            in altro modo, l’aria rachiuſa ſe conſtipa maggiormente, e
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            tanto più, quanto più ſi comprime, e con maggior forza; </s>
            <s xml:id="echoid-s4713" xml:space="preserve">e
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            che ceſſata la compreſſione, ſi torna con il proprio elate-
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            rio ad eſtendere come prima. </s>
            <s xml:id="echoid-s4714" xml:space="preserve">Spingẽdo adunque la veſcica
              <lb/>
            ſotto acqua incõtra queſta in acqua, che ſempre maggior-
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            mente ſtrige li ſuoi lati eſtrinſeci: </s>
            <s xml:id="echoid-s4715" xml:space="preserve">onde l’aria interna è ne-
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            ceſſitata a riſtringerſi; </s>
            <s xml:id="echoid-s4716" xml:space="preserve">& </s>
            <s xml:id="echoid-s4717" xml:space="preserve">in conſeguenza la veſcica diuē-
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            ta ſempre di mole minore, benche conſerui ſempre il me-
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            demo peſo. </s>
            <s xml:id="echoid-s4718" xml:space="preserve">E perche ſempre la veſcica è ſpinta insù dalla
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            mole d’acqua ad eſſa vguale, e noi nel tenerla ſentimo l’-
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            ecceſſo della grauità di queſt’acqua ſopra la grauità della
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            veſcica; </s>
            <s xml:id="echoid-s4719" xml:space="preserve">e la mole d’acqua, che riſpinge la veſcica ſi fa
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            ſempre minore; </s>
            <s xml:id="echoid-s4720" xml:space="preserve">quindi è che la ſupera ſempre di minor ec-
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            ceſſo. </s>
            <s xml:id="echoid-s4721" xml:space="preserve">Onde per queſto capo dobbiamo ſempre fare minor
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            fatica quanto più ſi profonda. </s>
            <s xml:id="echoid-s4722" xml:space="preserve">E può eſſere, che quello,
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            che ſcema per queſto capo ſia tanto notabile, che ecceda
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            queilo, che poteſſe creſcer per altro; </s>
            <s xml:id="echoid-s4723" xml:space="preserve">cioè per il peſar
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            l’acqua più profonda per qual ſi ſia cauſa, che la
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            più alta.</s>
            <s xml:id="echoid-s4724" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4725" xml:space="preserve">Se bene da quanto s’è detto ſi poſſi formar qualche giuditio
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            di quelle parole del Berigardo. </s>
            <s xml:id="echoid-s4726" xml:space="preserve">_Proinde celerius moueri debet_
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            _ex profundiori loco, vndè plures aquæ partes eam ſurſum impel-_
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            _lunt_; </s>
            <s xml:id="echoid-s4727" xml:space="preserve">e che leuato il patir l’acqua compreſſione, & </s>
            <s xml:id="echoid-s4728" xml:space="preserve">eſſendo
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            per tutto della medema grauità, queſte non poſſino veri-
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            ficarſi ſe non nel modo dichiarato _nel primo Dial pag_. </s>
            <s xml:id="echoid-s4729" xml:space="preserve">31.
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            </s>
            <s xml:id="echoid-s4730" xml:space="preserve">cioè perche eſſendo più alto il cilindro d’acqua, che ſuc-
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            ceſſiuamente ſegue a ſpingerla, li da più ſpinte; </s>
            <s xml:id="echoid-s4731" xml:space="preserve">nulladime-
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            no a queſto propoſito ſi potrebbe fare queſt’eſperienza. </s>
            <s xml:id="echoid-s4732" xml:space="preserve">Si
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            prendino doi canne di diuerſe lunghezze, vna per </s>
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