Tartaglia, Niccolo, Quesiti et inventioni diverse, 1554

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    <archimedes>
      <text>
        <body>
          <chap>
            <subchap1>
              <p type="main">
                <s id="s.000638">
                  <pb pagenum="26" xlink:href="042/01/051.jpg"/>
                  <emph type="italics"/>
                modo. </s>
                <s id="s.000639">La aſta, che ua per dentro uia prima la diſtendaremo, & giuſtaremo rettamen
                  <lb/>
                te per la parte ſuperiore del uacuo de detta canna, & fatto queſto miſuraremo, ouer
                  <lb/>
                che faremo miſurare ſottilmente quanto che ſara diſtante dal mettallo la iſtrema par­
                  <lb/>
                te, cioe il capo di quella asta, ouer liſta, che procede de fuora uia, fatto queſto el ſi de uol
                  <lb/>
                tar alquanto dalla banda del detto uacuo della canna la detta aſta, ouer liſta, che ua per
                  <lb/>
                dentro, cioe mutarui alquanto luoco, & in queſto ſecondo luoco far come primà, cioe
                  <lb/>
                far guardare, & miſurare con diligentia quanto che ſara diſtante dal mettallo la detta
                  <lb/>
                eſtrema parte, ouer capo di quella aſta, ouer liſta, che procede de fuora uia, & ſe in que
                  <lb/>
                ſto ſecondo luoco lui ſara preciſamente tanto lontano dal mettallo, quanto che eranel­
                  <lb/>
                la prima poſitione, ſe potra concluder el mettallo eſſer nelli detti dui luochi egualmen
                  <lb/>
                te groſſo, maſe ſara piu lontano, ſe potra concludere in queſto ſecondo luoco eſſerui
                  <lb/>
                piu ſottile el mettnllo, che nel primo, & tanto piu ſottile, quanto che la detta lontanan
                  <lb/>
                za dal detto mettallo in queſta ſeconda poſitione ſara maggiore della prima. </s>
                <s id="s.000640">Et ſimel­
                  <lb/>
                mente, ſe per caſo in queſta ſeconda poſitione el detto capo della detta aſta, ouer liſta ſa
                  <lb/>
                ra piu propinquo al mettallo della prima, ſeguira tutto al contrario, cioe, che in queſto
                  <lb/>
                ſecondo luoco ui ſara piu groſſo el mettollo, che nel primo, & con tal ordine proceden
                  <lb/>
                do de in parte in parte, ouer de banda in banda d'intorno à tutto el pezzo con tal eui­
                  <lb/>
                dentiaſe conoſcera ſel detto foro ſara preciſamente, ouer rettamente in me
                  <emph.end type="italics"/>
                zz
                  <emph type="italics"/>
                o del
                  <lb/>
                mettallo, ouer non, perche ſel mettallo ſe trouara egualmente groſſo, ſe potra conclude
                  <lb/>
                re tal foro eſſer rettamente in mezzo del mettallo, & tirara etiam li ſuoi tiri retta­
                  <lb/>
                mente, ſecondo la
                  <expan abbr="apparẽtia">apparentia</expan>
                di tutto el pezzo: & ſe per caſo ſe trouara eſſer piu groſ
                  <lb/>
                ſo e
                  <gap/>
                mettallo da una banda, che dall'altra, ſe potra concludere, tal foro non eſſer retta
                  <lb/>
                mente in mezzo del mettallo, & conſequentemente non tirara li ſuoi tiri retti, ſecon­
                  <lb/>
                do la apparentia de tutto el pezzo: ma li tirara ſempre pendenti, ouer obliqui uerſo à
                  <lb/>
                quella banda doue che ſar a piu groſſo el mettallo, cioe ſi tal groſſe
                  <emph.end type="italics"/>
                zz
                  <emph type="italics"/>
                a ſara dalla ban­
                  <lb/>
                da deſtra lui tirara coſtero uerſo lv medeſima parte, ouer banda deſtra, & è conuerſo:
                  <lb/>
                & ſe tal groſſezza ſara in ſgalembro poniamo fra la parte, ouer banda deſtra, & la
                  <lb/>
                parte ſuprema del pezzo luitirara
                  <expan abbr="medeſimamẽte">medeſimamente</expan>
                li detti ſuoitiri in ſgalembro, cioe
                  <lb/>
                obliqui, ouer
                  <expan abbr="pẽdẽtiiſuſo">pendentiiſuſo</expan>
                : ma uerſo la medema
                  <expan abbr="bãda">banda</expan>
                doue è tal groſſezza, et coſi ſi deb
                  <lb/>
                be
                  <expan abbr="intẽder">intender</expan>
                , et
                  <expan abbr="cõcludere">concludere</expan>
                in qual ſi uoglia
                  <expan abbr="bãda">banda</expan>
                , che fuſſe tal maggior groſſezza di met
                  <lb/>
                tallo. </s>
                <s id="s.000641">Et p eßer meglio inteſo ſotto breuita
                  <expan abbr="põgo">pongo</expan>
                p
                  <expan abbr="eßẽpio">eßempio</expan>
                figurale, che ſialo ſotto ſcrit
                  <lb/>
                to pezzo di artegliaria, et che in quello uogliamo inueſtigare <34>llo, che di ſopra fu pro
                  <lb/>
                poſto, cioe ſelſuo foro, ouer uacuo della
                  <expan abbr="cãna">canna</expan>
                giace
                  <expan abbr="rettamẽte">rettamente</expan>
                in mezzo dil mettallo,
                  <lb/>
                hor p uoler inueſtigar tal coſa, dico, che el ſi die pigliar due aſte dritte, et eguale, ouer
                  <lb/>
                due liſtette, come ſono le due. </s>
                <s id="s.000642">a.b. &. </s>
                <s id="s.000643">c.d. & con dui trauerſi daun capo, ouer ſopra un
                  <lb/>
                brazzo de tabula inchiodaruele, che ſtiano
                  <expan abbr="equidiſtãte">equidiſtante</expan>
                , et
                  <expan abbr="lõtane">lontane</expan>
                luna dallaltra
                  <expan abbr="alquãto">alquanto</expan>
                  <lb/>
                piu di <34>llo, che é la mitta della groſſe
                  <emph.end type="italics"/>
                zz
                  <emph type="italics"/>
                a di tutto el pezzo nella parte de drio, et
                  <expan abbr="lõghe">longhe</expan>
                  <lb/>
                  <expan abbr="tãto">tanto</expan>
                piu del uacuo della
                  <expan abbr="cãna">canna</expan>
                di tal pezzo,
                  <expan abbr="quãto">quanto</expan>
                che biſogna per mettere in li dui tra
                  <lb/>
                uerſi, ouer tabula, et dapoi cazzar luna de dette aſte, ouer liſte (poniamo la. </s>
                <s id="s.000644">d.c.) p il
                  <lb/>
                ſoro, ouer uacuo della canna, talmente che stia uniuerſalmente per longo contingente
                  <lb/>
                con la parte ſuperiore del foro, ouer uacuo de detta canna, come in queſta prima figu­
                  <lb/>
                ra appare, e dapoi miſurare, ouer far miſurar ſottilmente la
                  <expan abbr="diſtãtia">diſtantia</expan>
                , che è dal
                  <expan abbr="põto">ponto</expan>
                . </s>
                <s id="s.000645">a.
                  <emph.end type="italics"/>
                </s>
              </p>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>
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