Alberti, Leon Battista, L' architettura

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          <p>
            <s xml:id="echoid-s3296" xml:space="preserve">
              <pb o="72" file="076" n="76" rhead="DELLA ARCHITETTVRA"/>
            ra & </s>
            <s xml:id="echoid-s3297" xml:space="preserve">ſalda, in tutto eſſo muro, non è luogo alcuno, doue biſogni nè maggiore
              <lb/>
            ſaldezza, nè maggiore ſtabilità che in queſto, anzi ſe tu potrai hauere una ſola
              <lb/>
            pietra, lo fermerai con eſſa, o ueramente con quel numero di pietre, che ſia piu
              <lb/>
            che ſi puo uicino alla integrità, & </s>
            <s xml:id="echoid-s3298" xml:space="preserve">perpetuità d'una ſola pietra. </s>
            <s xml:id="echoid-s3299" xml:space="preserve">Come ſi maneg
              <lb/>
            gino, o muouino le pietre grandi, aſpettandoſi ciò alle maniere delli ornamen-
              <lb/>
              <note position="left" xlink:label="note-076-01" xlink:href="note-076-01a" xml:space="preserve">5</note>
            ti, ne tratteremo al ſuo luogo. </s>
            <s xml:id="echoid-s3300" xml:space="preserve">Ma tira dice Catone la muraglia di pietra dura,
              <lb/>
            & </s>
            <s xml:id="echoid-s3301" xml:space="preserve">calcina, ſino a tanto, che l'edificio eſca fuori del Terreno un piede, & </s>
            <s xml:id="echoid-s3302" xml:space="preserve">l'altra
              <lb/>
            parte della muraglia non ti uieta, quãdo bene ſi faceſſe di Mattoni crudi. </s>
            <s xml:id="echoid-s3303" xml:space="preserve">Et è
              <lb/>
            manif eſto che coſtui ſi metteua a fare queſto, perche le gocciole dell'acque pio
              <lb/>
            uane, che caſcano da tetti, rodono quella parte della Muraglia. </s>
            <s xml:id="echoid-s3304" xml:space="preserve">Ma quãdo noi
              <lb/>
              <note position="left" xlink:label="note-076-02" xlink:href="note-076-02a" xml:space="preserve">10</note>
            rieſaminiamo gli edificij delli Antichi, & </s>
            <s xml:id="echoid-s3305" xml:space="preserve">ueggiamo sì altroue in molti luoghi,
              <lb/>
            le parti da baſſo de gli edificij ben fatti, eſſer fatti di duriſsime pietre; </s>
            <s xml:id="echoid-s3306" xml:space="preserve">sì ancora
              <lb/>
            appreſſo di quelle genti, che non hãno paura delle ingiurie delle piogge, eſſer-
              <lb/>
            ui ſtati, cioè in Egitto, chi uſaua di fare le baſe ſotto le Piramidi di pietre nere du
              <lb/>
            riſsime, ſono forzato a ricercare la coſa piu largamente: </s>
            <s xml:id="echoid-s3307" xml:space="preserve">Percioche, ſi come in-
              <lb/>
              <note position="left" xlink:label="note-076-03" xlink:href="note-076-03a" xml:space="preserve">15</note>
            teruiene nel ferro, & </s>
            <s xml:id="echoid-s3308" xml:space="preserve">nel bronzo, & </s>
            <s xml:id="echoid-s3309" xml:space="preserve">in altri ſimili metalli, che ſe ſi piegano piu,
              <lb/>
            & </s>
            <s xml:id="echoid-s3310" xml:space="preserve">piu uolte in quà, & </s>
            <s xml:id="echoid-s3311" xml:space="preserve">in là, a contrario l'una dell'altra, aftaticandoli, aperti alla fi-
              <lb/>
            ne ſi rompono. </s>
            <s xml:id="echoid-s3312" xml:space="preserve">Coſi ancora le altre maſſe offeſe da sì fatte ſcambieuoli offen-
              <lb/>
            ſioni, grandemente ſi guaſtano, & </s>
            <s xml:id="echoid-s3313" xml:space="preserve">ſi corrompono, laqual coſa io ho conſiderata
              <lb/>
            ne ponti, & </s>
            <s xml:id="echoid-s3314" xml:space="preserve">maſsimo di legnami: </s>
            <s xml:id="echoid-s3315" xml:space="preserve">Percioche quelle parti, che per la uarieta de
              <lb/>
              <note position="left" xlink:label="note-076-04" xlink:href="note-076-04a" xml:space="preserve">20</note>
            Temporali, ſon hora ſecche da raggi del Sole, & </s>
            <s xml:id="echoid-s3316" xml:space="preserve">da fiati de Venti, & </s>
            <s xml:id="echoid-s3317" xml:space="preserve">hora humi-
              <lb/>
            de per i noturni uapori, o per l'acque, noi le ueggiamo certo conſumate preſta-
              <lb/>
            mente, o intarlate del tutto. </s>
            <s xml:id="echoid-s3318" xml:space="preserve">Il medeſimo ſi puo uedere in quelle parti delle
              <lb/>
            muraglie, che ſono uicine al terreno, che per le ſcambieuoli alterationi delle
              <lb/>
            polueri, & </s>
            <s xml:id="echoid-s3319" xml:space="preserve">delle humiditati s'infracidano, & </s>
            <s xml:id="echoid-s3320" xml:space="preserve">ſi rodono. </s>
            <s xml:id="echoid-s3321" xml:space="preserve">Perilche io delibero
              <lb/>
              <note position="left" xlink:label="note-076-05" xlink:href="note-076-05a" xml:space="preserve">25</note>
            coſi, che tutto il primo ricinto dell'edificio tirato a piano, ſi debba fare di dure,
              <lb/>
            ſaldiſsime, & </s>
            <s xml:id="echoid-s3322" xml:space="preserve">grandiſsime pietre, accioche e'reſti ſicuriſsimo contro le ſpeſſe of-
              <lb/>
            fenſioni delle coſe contrarie, & </s>
            <s xml:id="echoid-s3323" xml:space="preserve">quali ſieno quelle pietre che ſono duriſsime, le
              <lb/>
            raccontammo a baſtanza nel ſecondo libro.</s>
            <s xml:id="echoid-s3324" xml:space="preserve"/>
          </p>
          <note position="left" xml:space="preserve">30</note>
        </div>
        <div xml:id="echoid-div83" type="section" level="1" n="41">
          <head xml:id="echoid-head47" style="it" xml:space="preserve">Come ſi generino le pietre, come le ſi commettino, & congiunghino inſieme, & quali ſieno
            <lb/>
          le piu gagliarde, & quali le piu deboli. Cap. VII.</head>
          <p>
            <s xml:id="echoid-s3325" xml:space="preserve">EGli importa certo grandemente con quale commettitura, & </s>
            <s xml:id="echoid-s3326" xml:space="preserve">con quale
              <lb/>
            collegamento ſi mettino eſſe pietre in opera, in coteſto, o in altro luogo:
              <lb/>
            </s>
            <s xml:id="echoid-s3327" xml:space="preserve">
              <note position="left" xlink:label="note-076-07" xlink:href="note-076-07a" xml:space="preserve">35</note>
            Percioche ſi come nel legno, coſi nelle pietre ancora, ſono & </s>
            <s xml:id="echoid-s3328" xml:space="preserve">uene, & </s>
            <s xml:id="echoid-s3329" xml:space="preserve">no-
              <lb/>
            di, & </s>
            <s xml:id="echoid-s3330" xml:space="preserve">altre parti piu deboli, anzi è manifeſtiſsimo, che i Marmi ſi fendono, & </s>
            <s xml:id="echoid-s3331" xml:space="preserve">ſi
              <lb/>
            torcono. </s>
            <s xml:id="echoid-s3332" xml:space="preserve">Sono nelle pietre poſteme, & </s>
            <s xml:id="echoid-s3333" xml:space="preserve">ſaccate di materia putrida, laquale ma
              <lb/>
            teria col tempo rigonfia (ſi come io penſo) inzuppataſi di humidità dell'aria,
              <lb/>
            che ella ha ſucciata, onde ne ſeguitano piu graui poſteme, & </s>
            <s xml:id="echoid-s3334" xml:space="preserve">guaſtamenti di co-
              <lb/>
              <note position="left" xlink:label="note-076-08" xlink:href="note-076-08a" xml:space="preserve">40</note>
            lonne. </s>
            <s xml:id="echoid-s3335" xml:space="preserve">Perilche, oltre a quelle coſe che delle pietre a lor luogo di ſopra trat-
              <lb/>
            tammo, è di necefsità conoſcere, che le Pietre ſono (ſi come noi ueggia-
              <lb/>
            mo) create dalla natura, ſtando eſſe bocconi, di materia come eſsi affermano,
              <lb/>
            liquida, & </s>
            <s xml:id="echoid-s3336" xml:space="preserve">fluſsibile; </s>
            <s xml:id="echoid-s3337" xml:space="preserve">laquale eſſendo a poco a poco creſciuta, & </s>
            <s xml:id="echoid-s3338" xml:space="preserve">indurita, </s>
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