Tartaglia, Niccolo, Quesiti et inventioni diverse, 1554

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              <pb xlink:href="042/01/064.jpg"/>
              <p type="head">
                <s id="s.000720">QVESITO QVARTO FATTO DAL
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                medeſimo Signor Prior di Barletta.
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                </s>
              </p>
              <p type="main">
                <s id="s.000721">PRIORE. Q
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                ual credeti poi che andara anchora piu
                  <expan abbr="lõtano">lontano</expan>
                , o la detta balla di
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                ferro, o quella di pietra, pur tirate
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                una iſteſſa artegliaria, et à una iſteſſa elle
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                uatione, ma con la ſua poluere ordinaria, cioe tirando la balla di ferro con li dui terzi,
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                poluere di quello peſa la balla, & quella di pietra con un terzo di quello peſa la medeſi
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                ma balla di pietra.
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                N. L
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                a determination di queſto non è molto facile per il uariar
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                della proportione del peſo di cadauna balla alla ſua poluere, nondimeno conchiudo che
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                la balla di ferro andara piu lontano di quella di pietra in ogni elleuatione, uero è, che
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                quanto piu il tiro ſara elleuato, tanto piu andara piu lontano la detta balla di ferro pro
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                portionalmente di quella di pietra, & econuerſo, cioe che quanto piu il tiro ſe accoſte­
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                ra al ſito della equalita, ui occorrera menor differentia
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                . </s>
                <s id="s.000722">P. C
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                omprendo adunque che
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                quelli primi che determinorno che alla balla di pietra ui ſi doueſſe dar ſolamente il ter­
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                zo poluere, di quello peſa la balla, il ferno, perche forſi con con la ſperientia trouaro
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                quello che uoi diceti, cioe che ſe agguagliaua à quella di ferro.
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                </s>
              </p>
              <p type="head">
                <s id="s.000723">QVESITO QVINTO FATTO DAL
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                  <emph type="italics"/>
                medeſimo Signor Prior di Barletta.
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                </s>
              </p>
              <p type="main">
                <s id="s.000724">PRIORE. Q
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                ual teneti che fara maggior effetto, ouer paſſata (in una egual di
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                ſtantia) una balla di piombo, ouer di ferro tirate con una iſteſſa artegliaria, & à
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                una iſteſſa elleuatione, & prima con egual quantita di poluere, cioe con li dui terzi di
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                quello peſa la balla de piombo) & dapoi con la ſua poluere ordinarìa.
                  <emph.end type="italics"/>
                N. D
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                i ſopra
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                nel primo queſito fu conchiuſo che la balla di ferro in ogni elleuatione andara piu lon­
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                tano di quella di piombo (eſſendo pero ambedue tirate con quella detta egual quantita
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                di poluere) e pero ſe la coſa doue ſe tira fuſſe tanto lontano che la balla di piombo non
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                ui poteſſe arriuare, & che quella di ferro ui arriuaſſe, cadauno ſapra far queſto giudi­
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                cio ſenza che io il dica, ma ſe la detta coſa doue ſe tiraſara in una diſtantia conueniente
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                all uno, e l'altro tiro, & che la detta coſa non ſia di tal durezza che ſia atta à ſmac care
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                la balla de piombo, ſenza dubbio la balla de piombo fara molto maggior effetto, ouer
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                paſſata di quello fara la balla di ferro, per cauſa della ſua maggior grauita, perche mol
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                to piu opera la grauita che la uelocita (come ſopra al. 16. queſito del primo anchor fu
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                detto) uero è, che quando la detta coſa doue ſe tira fuſſe di tal durezza che fuſſe atta à
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                ſmaccar la detta balla di piombo, uiſaria da dubitare, che la balla di ferro doueſſe pene
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                trare alquanto piu di quella di piombo, uero è, che ſe ben la balla di piombo non pene­
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                traſſe tanto quanto quella di ferro, il non reſtara ch'ella non conquaßimolto piu la det
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                ta coſa percoſſa di quello fara la detta balla di ferro, per cauſa della ſua maggior gra­
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                uita, & tutto queſto che ſe detto di tai balle tirate, con la detta egual quantita di polue­
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                re meglio ſe uerificara tir andole con la ſua poluere ordinaria, cioe con li dui terzi di
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                quello chi peſa cadauna balla per ſe, cioe che nelle coſe che non ſiano atte per ſua durez
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                za à ſmaccare la balla de piombo molto piu ſara di maggior effetto, ouer paſſata la
                  <emph.end type="italics"/>
                </s>
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