Tartaglia, Niccolo, Quesiti et inventioni diverse, 1554

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                <s id="s.000815">QVESITO QVINTO FATTO DAL MEDESIMO
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                S
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                ignor Priore di Barletta.
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                </s>
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              <p type="main">
                <s id="s.000816">PRIORE. H
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                ierſerauoi aßignaſtila cauſa, perche la poluere ſe compone coſi
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                coſi di quelli tre materiali, & che officio ha cadauno de dittimateriali, in tal
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                poſitione, hor ue adimando, che fu inuentor di tal poluere, & con che ragione fu de­
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                terminata da quello, la proportione della quantita di cadauno materiale conueniente à
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                tal compoſitione.
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                N. C
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                he fuſſe inuentor di queſta poluere, & della artegliaria, fra
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                el uulgo è ſparto, per autorita del Cornazano, qual dice, che futrouata à caſo da un
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                Todeſco Alchimista, ma io ſon di openione, che di tal compoſitione Archimede Sira­
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                cuſano
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                (P
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                hiloſopho, & Mathematico peritißimo) ne fuſſe inuentore (& di queſta me
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                dema opinione è il commentator di Vitruuio ſopra el primo libro à carte.
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                8.)
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                perche
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                di lui ſi troua in molti luochi in ſcritto (come narra Valturio nel decimo libro de remi­
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                litare) qualmente lui trouo una certa ſpecie di machina di ferro, con la quale lui traſe
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                ua uerſo lo eſſercito terreſto ſaßi di grandißimo peſo, e grandezza, & con uno incre­
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                dibel ſuono, la qual coſa ne da ad intendere, che fuſſe una machina ſimile à una arteglia
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                ria, ma che tir aſſe balle di pietra großißime, come che anchor a non è molto tempo, che
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                fra moderniſi coſtumaua, & maßime per quel incredibel ſuono, che nel tirarla ui oc­
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                corre, el qual ſuono, in altraſorte di machina da tirar, à me non pare, che uiſe poſſa
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                cauſare, ſaluo che in una ſimile alla artegliaria, uero é, che à quel tempo io tengo, che
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                fuſſeno molto difforme, & piu diſconze di quelle, che alli preſenti tempi ſi coſtuma,
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                perche ſempre le prime inuentioni teneno del rustico, ma con el tempo ſe uanno meglio
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                rando, per eſſer coſa facile aggiongere alle coſe trouate, & il medeſimo dico della pol
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                uere, cioe, che al principio, che la fu trouata (ò da Archimede, ouer da chi ſi uoglia)
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                eglie da credere, che in quel tempo la nonſe componeſſe con tal ordine e proportione,
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                come che al preſente ſi coſtuma, anzi giudico, che da quel tempo in qua ſe ſia uariato
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                l'ordine da componerla quaſi infiniti modi, & che el ſia el uero, io ho ritrouato ſopra
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                alcuni libri non molto antiqui certi modi, & ordinida componerla, molto differenti
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                dalli piu moderni.
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                P. D
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                itime un poco, che proportion oſſeruamo, & oſſeruauano.
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                N. I
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                o ho ritrouato in alcuni piu antiqui libri, che à uoler far poluere di bombarda uo
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                leuano, che ſe pigliaſſe de cadauno di ſopra detti tre materiali parte equale, cioe tanto
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                de l'uno, quanto de l'altro. </s>
                <s id="s.000817">Et alcuni altri dapoi uoleuano che ſe pigliaſſe parte. </s>
                <s id="s.000818">3. di
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                ſalnitrio, & parte. </s>
                <s id="s.000819">2. di ſolfere, & parte. </s>
                <s id="s.000820">2. di carbone. </s>
                <s id="s.000821">Alcuni altri poi uoleuano, che
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                per far la detta poluere di bombarda ſe toglieſſe lire. </s>
                <s id="s.000822">10. di ſalnitrio, & lire. </s>
                <s id="s.000823">3. di ſolfe
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                re, & lire. </s>
                <s id="s.000824">3. di carbone. </s>
                <s id="s.000825">Et alcuni altri uoleuano, che ſe pigliaſſe lire. </s>
                <s id="s.000826">12. di ſalnitrio,
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                & lire. </s>
                <s id="s.000827">3. di ſolfere, & lire. </s>
                <s id="s.000828">2. di carbone. </s>
                <s id="s.000829">Altriuoleuano che ſi toglieſſe parte. </s>
                <s id="s.000830">9. di ſal
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                nitrio, & parte. </s>
                <s id="s.000831">2. di ſolfere, e parte. </s>
                <s id="s.000832">3. di carbone, et alcuni altri piu moderni per far
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                la per ſchioppiuoleuano, che ſe pigliaſſe parti. </s>
                <s id="s.000833">4. de ſalnitrio, & parte una di ſolfere,
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                & parte. </s>
                <s id="s.000834">1. di carbone: alcuni altri han detto, che per far poluere groſſaſi doueſſe pi­
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                gliare parti. </s>
                <s id="s.000835">20. di ſalnitrio, et parti. </s>
                <s id="s.000836">3. di ſolfere, et parti. </s>
                <s id="s.000837">10. di carbon, & <21> farla al
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                quanto piu fina per ſchioppi
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                detto, che ſi doueſſe tore parti. </s>
                <s id="s.000838">100. di ſalnitrio, &
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                parti. </s>
                <s id="s.000839">10. di ſolfe re, et parti. </s>
                <s id="s.000840">36. di carbone, altri dicono che <21> far poluere groſſa, che
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                </s>
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