Lorini, Buonaiuto , Le fortificationi, old version (312 p.), 1609

Table of figures

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page |< < of 312 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="031/01/111.jpg" pagenum="103"/>
              dal piano, e tanto meno eſſendo fatto co' ſaſſi, doue apportandone ſempre notabile beneficio, ſa­
                <lb/>
              ria neceſſario il farlo in tutti i ſiti, e Fortezze per la ſua difeſa. </s>
              <s>Et queſto ne baſti per la preſente
                <lb/>
              giornata, e fine de' propoſti venti Capitoli. </s>
              <s>CO. </s>
              <s>Con molta mia ſodisfattione habbiamo trattato
                <lb/>
              di quello, che più deſiderauo. </s>
              <s>Et però ſe cosi vi piace andiamo à riuedere la fabrica, & a goder la
                <lb/>
              viſta di tanta gente, che con tanto bell'ordine eſſequiſcono l'opera loro. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg215"/>
              16</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg216"/>
              Larghez­
                <lb/>
              za <20>l foſſo</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg217"/>
                <expan abbr="Cōtraſcar">Contraſcar</expan>
                <lb/>
              pa nelli an
                <lb/>
              goli acuti
                <lb/>
                <expan abbr="nō">non</expan>
              potere,
                <lb/>
              eſſere pa­
                <lb/>
              ralella al­
                <lb/>
              le
                <expan abbr="frōti">fronti</expan>
              de'
                <lb/>
              baluardi.
                <lb/>
              </s>
              <s>Difeſa del
                <lb/>
              la contra­
                <lb/>
              ſcarpa.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg218"/>
              Oppoſitio
                <lb/>
              ni farte al­
                <lb/>
              la larghez
                <lb/>
              za della
                <lb/>
              foſſa.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg219"/>
              Larghez­
                <lb/>
              za vtile <20>l
                <lb/>
              la foſſa.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg220"/>
              Strettezza
                <lb/>
              della foſ­
                <lb/>
              ſa apporta
                <lb/>
              non poca
                <lb/>
              imperfet­
                <lb/>
              tione.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg221"/>
              Effetto <20>l
                <lb/>
              la larghez
                <lb/>
              za <20>lla foſ
                <lb/>
              ſa nello
                <lb/>
              ſcoprire
                <lb/>
              la mura—
                <lb/>
              glia.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg222"/>
              Se ſia me­
                <lb/>
              glio la foſ
                <lb/>
              ſa ſtretta,
                <lb/>
              o larga.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg223"/>
              Larghez­
                <lb/>
              za vtiliſſi­
                <lb/>
              ma della
                <lb/>
              foſſa.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg224"/>
              Foſſa trop
                <lb/>
              po, larga,
                <lb/>
                <expan abbr="nō">non</expan>
              poterſi
                <lb/>
              difendere</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg225"/>
                <gap/>
              argher­
                <lb/>
              z
                <gap/>
              <20> la foſ
                <lb/>
              ſa propor
                <lb/>
              tion
                <gap/>
              ta al
                <lb/>
              la diſeſa,
                <lb/>
                <gap/>
              arco
                <lb/>
                <gap/>
              .</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg226"/>
              Il foſſo
                <expan abbr="sē">sem</expan>
                <lb/>
              za acqua
                <lb/>
              eſſere piu
                <lb/>
              vtile <21> la
                <lb/>
              difeſa che
                <lb/>
              non è il
                <lb/>
              pieno d'­
                <lb/>
              acqua.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg227"/>
              L'acqua
                <lb/>
              morta nel
                <lb/>
              la foſſa ap
                <lb/>
              porta l'a­
                <lb/>
                <gap/>
              a cattiua</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg228"/>
              Nelle For
                <lb/>
              tezze pic­
                <lb/>
                <gap/>
              il foſ
                <lb/>
              ſo
                <expan abbr="cō">com</expan>
              l'ac­
                <lb/>
              qua è vti­
                <lb/>
              ſiſſimo.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg229"/>
              Foſſa, co­
                <lb/>
              me ſi poſ­
                <lb/>
              ſa profon
                <lb/>
              dare, do­
                <lb/>
              ue il ſito
                <lb/>
              ſia paludo
                <lb/>
              ſo.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg230"/>
              Foſſa, &
                <lb/>
              conſidera
                <lb/>
              tioni <21> la
                <lb/>
              ſua difeſa.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg231"/>
              Contra—
                <lb/>
              foſſa.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg232"/>
              La cunet­
                <lb/>
              ta nella
                <lb/>
              foſſa.
                <lb/>
              </s>
              <s>Diſeſa del
                <lb/>
              la cunetta
                <lb/>
              di che de­
                <lb/>
              ue eſſer
                <lb/>
              ſatta.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg233"/>
              Beneficij,
                <lb/>
              che appor
                <lb/>
              tano le
                <lb/>
              Fortezze.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg234"/>
              Impedi—
                <lb/>
                <expan abbr="mēti">menti</expan>
              da da
                <lb/>
              re al nimi
                <lb/>
              co nel fa­
                <lb/>
              re la tra­
                <lb/>
              uerſa del­
                <lb/>
              la foſſa.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg235"/>
              La
                <expan abbr="cōtra-lcarpadec">contra­
                  <lb/>
                lcarpadec</expan>
                <lb/>
              eſſere fat­
                <lb/>
              ta ſenza
                <lb/>
              buona mu
                <lb/>
              raglia.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg236"/>
              Muraglia
                <lb/>
              angola
                <gap/>
              e
                <lb/>
              nella con­
                <lb/>
              traſcarra.
                <lb/>
              </s>
              <s>Come dee
                <lb/>
              eſſere il
                <lb/>
              muro de'­
                <lb/>
              la contra­
                <lb/>
              ſcarpa, e
                <lb/>
              ſuo officio.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg237"/>
              Ponti di le
                <lb/>
              gno <21> ſor­
                <lb/>
              tir fuori
                <lb/>
              della foſſa
                <lb/>
              Caſe mat­
                <lb/>
              te
                <expan abbr="nō">non</expan>
              vtili.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg238"/>
              Strada co­
                <lb/>
              perta <20>lla
                <lb/>
                <expan abbr="cōtraſcar-pa">contraſcar­
                  <lb/>
                pa</expan>
              .</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg239"/>
              Difeſa del
                <lb/>
              la ſtrada
                <lb/>
              copertafat
                <lb/>
              ta con ter­
                <lb/>
              ra buona.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg240"/>
              Spianata
                <lb/>
              fuori <20>lla
                <lb/>
                <expan abbr="cōtraſcar-pa">contraſcar­
                  <lb/>
                pa</expan>
              .</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg241"/>
              Ottima di
                <lb/>
              feſa che
                <lb/>
              fannoi ſaſ
                <lb/>
              ſi nella
                <lb/>
              ſpianata.</s>
            </p>
            <p type="head">
              <s>GIORNATA VI.</s>
            </p>
            <p type="head">
              <s>Doue ſitratta delle più notabili imperfettioni, che poſſono hauere
                <lb/>
              le Forrezze, & appreſſo i lor rimedij.</s>
            </p>
            <p type="head">
              <s>AVTORE.</s>
            </p>
            <p type="main">
              <s>HAVENDO il giorno paſſato dato fine al ragionamento de' Capitoli, parmi
                <lb/>
              al preſente, che habbiamo aſſai più abondanza di tempo, che di concetti per di­
                <lb/>
              ſpenſarlo con quella commune ſodisfattione, che ſi è fatto ne' giorni paſſati
                <gap/>
                <lb/>
              però proponga ella quello, che più le piace. </s>
              <s>CO. </s>
              <s>Douendo toccare a me pro­
                <lb/>
              porre, voglio vediate, che non la materia, ma ſi bene il tempo c'è per mancare.
                <lb/>
              </s>
              <s>E però prima, che io tratti d'altro ragionamento, & per il noſtro ſolito diporto
                <lb/>
              deſidero, che mi dichiariate parte de gli effetti, che fanno i tiri dell'artiglierie.
                <lb/>
              </s>
              <s>Perche eſſendo ſtato queſta mattina a veder tirare queſti bombardieri al berſa­
                <lb/>
              glio, ſono andato conſiderando quattro coſe, cioè al rimedio, che nel dare il fuoco al pezzo, non eſ­
                <lb/>
              ſali fuori dalla lumiera tanto vapore, ouer fiamma, che non ſolo poſſa dare auiſo al nimico, ma tempo
                <lb/>
              da poterſi faluare, auanti che arriui la palla ad offenderlo. </s>
              <s>Secondo, ſe il pezzo ſi ritira nell'vſcire
                <lb/>
              tutto il vapore dalla ſua bocca, ouero nello ſteſſo tempo, che eſce la palla. </s>
              <s>Terzo, ſe ſi può ſapere il
                <lb/>
                <expan abbr="tempō">tempom</expan>
              che corre, vſcita che ſarà eſſa palla dalla bocca del pezzo a ferire in diſtanza di quattro, o cin­
                <lb/>
              quecento paſſa. </s>
              <s>La quarta, & vltima coſa è il ſapere per propria mia curioſità, almeno vno auicinarſi
                <lb/>
              alla verità intorno alla proportion
                <gap/>
              , che ſi truoui tra la velocità del corſo della palla, quando eſce
                <arrow.to.target n="marg242"/>
              fuo­
                <lb/>
              ri della bocca del pezzo, con quello del corſo del corpo ſolare (ſe corpo però ſi dee chiamare.) AV.
                <lb/>
              beliſſimi ſono i quattro queſiti da lei fatti, moſtrando per chiariſſimo ſegno, ch'ella và ſpendendo il
                <lb/>
              rempo in penſieri nobili, e virtuoſi, e però debbo procurare di darle ogni poſſibile ſodisfattione.
                <lb/>
              </s>
              <s>E prima quanto al vapore, che ella dice hauer viſto vſcire fuori della bocca del pezzo, dico eſſere que­
                <lb/>
              ſto vn diſordine grandiſſimo, quando maſſime la lumiera ſia fatta larga per la frequenza dello ſpara­
                <lb/>
              re il pezzo, perche oltre all'indebolirſi il tiro per la pol
                <gap/>
              e, che fa quel vapore, laquale vanamente
                <lb/>
              fi perde, il pezzo ancora tarda allo ſpararſi, & molte volte quando il nimico n'è auertito egli ſcanſa
                <lb/>
              l'offeſa. </s>
              <s>Il remedio di queſto, è prima rifare le dette lumiere con le vite
                <lb/>
                <figure id="id.031.01.111.1.jpg" xlink:href="031/01/111/1.jpg" number="82"/>
                <lb/>
              di ferro sbuſato, conforme al ſolito, e poi ſenza adeſcare, ouero empie­
                <lb/>
              re la lumiera con la poluere doppo hauere caricato il pezzo, ſe gli darà
                <lb/>
              il fuoco col mezo d'vn grillo, cioè cannetta piramidale fatta in vn pez­
                <lb/>
              zo ſolido di metallo bucato dentro, & che il buco habbia vna bocca ſola,
                <lb/>
              che ſarà da baſſo, come per il preſente diſegno ſi vede, AB, è la lun­
                <lb/>
              ghezza di circa a tre dita, &, TV, groſſezza della baſe, doue non paſſa
                <lb/>
              il buco; ma ſolo alla parte piramidale, B, ilqual buco non douerà eſſe­
                <lb/>
              re più largo della groſſezza d'vna <18>enna ſottile da ſcriuere, & hauendo
                <lb/>
              preparato, vn pezzo di catenetta di ferro, o di ottone, lunga circa a vn
                <lb/>
              braccio, & ad ogni teſta fermatoui vna palla di piombo d'vna libra in
                <lb/>
              circa di peſo, & fatta prima paſſare la detta catenetta per il manico SD,
                <lb/>
              della cannetta, & piena dentro di poluere fina, e turata la bocca, B, con
                <lb/>
              la cera, ſi metterà nella lumiera del pezzo, & la catenella a caualcione
                <lb/>
              della culatta, sì che vgualmente le due pendino a baſſo da ogni parte, & adeſcato con la ſteſſa polue­
                <lb/>
              re il piccolo focone, che ſi vede per lo buco nel mezo al fine del manico tra le due lettere, AC, ſeli
                <lb/>
              darà il fuoco, che corriſponderà alla poluere di dentro, laquale come vn razzo correrà advrtare, & a
                <arrow.to.target n="marg243"/>
                <lb/>
              ferire nella poluere della camera del pezzo, & immediate la farà ardere, & ſparare, ſaltando la can­
                <lb/>
              netta, come vn griilo in dietro, che trattenuta da detta catenetta, e peſo delle due palle reſterà ſopra
                <lb/>
              l'iſteſſa culata. </s>
              <s>CO. </s>
              <s>Per certo queſto è vn modo molto facile, e ſicuro per rimediare a tale imper­
                <lb/>
              fettione, e però ſegua la dichiaratione del ſecondo queſito. </s>
              <s>AV. </s>
              <s>Per ſapere il tempo, nel quale il
                <lb/>
              pezzo dell'artiglieria fa la ritirata nello ſpararſi, queſto dalla ragione, & dalla eſperienza ne vien mo­</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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