Alberti, Leon Battista, L' architettura

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            <s xml:id="echoid-s2306" xml:space="preserve">
              <pb o="50" file="054" n="54" rhead="DELLA ARCHITETTVRA"/>
            ſottili, & </s>
            <s xml:id="echoid-s2307" xml:space="preserve">piu puliti tagli ui uerranno, tanto ſaranno piu ſerrate; </s>
            <s xml:id="echoid-s2308" xml:space="preserve">& </s>
            <s xml:id="echoid-s2309" xml:space="preserve">quella pietra
              <lb/>
            che nel romperla harà la ſcorza manco aſpra, ſarà piu trattabile, che quella,
              <lb/>
            che l'harà ſcabroſa; </s>
            <s xml:id="echoid-s2310" xml:space="preserve">Ma le pietre ſcabroſe, quanto ſaranno piu candide, tanto
              <lb/>
            ſaranno manco obbedienti. </s>
            <s xml:id="echoid-s2311" xml:space="preserve">Et per il contrario qualunche pietra nera quanto
              <lb/>
            piu harà le ſue ſcabroſità minute, tanto manco obbedirà al taglio del ferro.
              <lb/>
            </s>
            <s xml:id="echoid-s2312" xml:space="preserve">
              <note position="left" xlink:label="note-054-01" xlink:href="note-054-01a" xml:space="preserve">5</note>
            Tutte le pietre ignobili quanto piu ſaranno ſpugnoſe, tanto ſaranno piu dure,
              <lb/>
            & </s>
            <s xml:id="echoid-s2313" xml:space="preserve">la pietra che bagnata ſottilmente quanto piu ſi raſciuga tardi, tanto piu
              <lb/>
            è cruda; </s>
            <s xml:id="echoid-s2314" xml:space="preserve">& </s>
            <s xml:id="echoid-s2315" xml:space="preserve">ogni pietra quanto piu è graue tanto è piu ſalda; </s>
            <s xml:id="echoid-s2316" xml:space="preserve">& </s>
            <s xml:id="echoid-s2317" xml:space="preserve">piglia meglio
              <lb/>
            pulimento che la leggiere; </s>
            <s xml:id="echoid-s2318" xml:space="preserve">& </s>
            <s xml:id="echoid-s2319" xml:space="preserve">tutte le piu leggieri, ſtropicciandole, ſi disfanno
              <lb/>
            piu facilmente che le graui; </s>
            <s xml:id="echoid-s2320" xml:space="preserve">& </s>
            <s xml:id="echoid-s2321" xml:space="preserve">quelle che battute ſuonano meglio, ſon piu ſer-
              <lb/>
              <note position="left" xlink:label="note-054-02" xlink:href="note-054-02a" xml:space="preserve">10</note>
            rate che le ſorde, & </s>
            <s xml:id="echoid-s2322" xml:space="preserve">quella pietra che ſtropicciata, o fregata fortemente ſaprà
              <lb/>
            piu di zolfo, ſarà piu forte, che quella che uon ne ſaprà punto; </s>
            <s xml:id="echoid-s2323" xml:space="preserve">& </s>
            <s xml:id="echoid-s2324" xml:space="preserve">finalmente
              <lb/>
            quanto piu ſaranno reſiſtenti allo ſcarpello, tanto ſaranno per ciò piu coſtauti
              <lb/>
            & </s>
            <s xml:id="echoid-s2325" xml:space="preserve">piu rigide, contro le ingiurie delle Tempeſte. </s>
            <s xml:id="echoid-s2326" xml:space="preserve">Dicono che quelle pietre,
              <lb/>
            che ſi mantengono in maggiori pezzi in bocca delle caue, ſon contro le Tem-
              <lb/>
              <note position="left" xlink:label="note-054-03" xlink:href="note-054-03a" xml:space="preserve">15</note>
            peſte piu ferme che le altre; </s>
            <s xml:id="echoid-s2327" xml:space="preserve">ogni pietra ancora è piu tenera, quando ella ſi ca-
              <lb/>
            ua della Caua che quando poi ella è ſtata allo ſcoperto: </s>
            <s xml:id="echoid-s2328" xml:space="preserve">Et bagnata da humo-
              <lb/>
            re, o molle da Acqua, è piu trattabile dal ferro che quando è aſciutta; </s>
            <s xml:id="echoid-s2329" xml:space="preserve">& </s>
            <s xml:id="echoid-s2330" xml:space="preserve">ciaſcu
              <lb/>
            na pietra di quanto piu humido luogo della ſua caua ſarà cauata, tanto ſarà poi
              <lb/>
            raſciutta piu ſerrata: </s>
            <s xml:id="echoid-s2331" xml:space="preserve">& </s>
            <s xml:id="echoid-s2332" xml:space="preserve">penſano che le pietre ſi lauorino piu facilmente tiran-
              <lb/>
              <note position="left" xlink:label="note-054-04" xlink:href="note-054-04a" xml:space="preserve">20</note>
            do Oſtro, che quando ſoffia Tramontano, & </s>
            <s xml:id="echoid-s2333" xml:space="preserve">quando tira Tramontano ſi fen-
              <lb/>
            dono piu facilmente che tirando Oſtro. </s>
            <s xml:id="echoid-s2334" xml:space="preserve">Ma ſe e' ti piacerà far la pruoua del
              <lb/>
            come debbino per l'auenire riuſcir le pietre, te ne auedrai da queſto. </s>
            <s xml:id="echoid-s2335" xml:space="preserve">Se quel
              <lb/>
            la, che tu bagnerai nella acqua, creſcerà di aſſai peſo; </s>
            <s xml:id="echoid-s2336" xml:space="preserve">ella ſi riſoluerà per lo hu-
              <lb/>
            mido. </s>
            <s xml:id="echoid-s2337" xml:space="preserve">Et quella, che tocca dal fuoco, & </s>
            <s xml:id="echoid-s2338" xml:space="preserve">dalle fiamme ſi disfarà; </s>
            <s xml:id="echoid-s2339" xml:space="preserve">non reggerà
              <lb/>
              <note position="left" xlink:label="note-054-05" xlink:href="note-054-05a" xml:space="preserve">25</note>
            nè a Soli, nè a Caldi; </s>
            <s xml:id="echoid-s2340" xml:space="preserve">Nè penſo che in queſto luogo ſia da laſciare in dietro al-
              <lb/>
            cune coſe degne di memoria, le quali raccontano gli Antichi di alcune Pietre.</s>
            <s xml:id="echoid-s2341" xml:space="preserve"/>
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        <div xml:id="echoid-div53" type="section" level="1" n="26">
          <head xml:id="echoid-head30" style="it" xml:space="preserve">Che gli Antichi ci hanno laſciate alcune coſe delle Pietre degne di memoria. Cap. IX.</head>
          <p>
            <s xml:id="echoid-s2342" xml:space="preserve">NOn farà ueramente fuori di propoſito, intendere quanto elleno habbi-
              <lb/>
              <note position="left" xlink:label="note-054-06" xlink:href="note-054-06a" xml:space="preserve">30</note>
            no in loro di uarietà, & </s>
            <s xml:id="echoid-s2343" xml:space="preserve">di marauiglia; </s>
            <s xml:id="echoid-s2344" xml:space="preserve">accioche ciaſcuna ſi poſſa piu cõue
              <lb/>
            nientemente accõmodare all'uſo ſuo. </s>
            <s xml:id="echoid-s2345" xml:space="preserve">Intorno a Campi di Bolſena, & </s>
            <s xml:id="echoid-s2346" xml:space="preserve">
              <lb/>
            di Stratone, dicono che è una Pietra accõmoditiſsima a tutte le ſorti de gli edifi
              <lb/>
            cii, alla quale nè fuoco, nè ingiuria alcuna di tempi non nuoce mai, & </s>
            <s xml:id="echoid-s2347" xml:space="preserve">che que-
              <lb/>
            ſta ſteſſa, è contro le tempeſte al tutto eterna, & </s>
            <s xml:id="echoid-s2348" xml:space="preserve">incorruttibile, & </s>
            <s xml:id="echoid-s2349" xml:space="preserve">mantiene piu
              <lb/>
              <note position="left" xlink:label="note-054-07" xlink:href="note-054-07a" xml:space="preserve">35</note>
            che alcuna altra i lineamenti delle ſtatue. </s>
            <s xml:id="echoid-s2350" xml:space="preserve">Scriue Tacito, che quando Nerone
              <lb/>
            raſſettaua la Città guaſta dalla arſione, che egli ſi ſeruì delle pietre da Albano
              <lb/>
            & </s>
            <s xml:id="echoid-s2351" xml:space="preserve">da Gabinio, per traui; </s>
            <s xml:id="echoid-s2352" xml:space="preserve">percioche queſta Pietra non cede al fuoco. </s>
            <s xml:id="echoid-s2353" xml:space="preserve">Nel Ge-
              <lb/>
            noueſe, & </s>
            <s xml:id="echoid-s2354" xml:space="preserve">nel Venetiano, & </s>
            <s xml:id="echoid-s2355" xml:space="preserve">nel Ducato di Spuleto, & </s>
            <s xml:id="echoid-s2356" xml:space="preserve">nella Marca Anconita-
              <lb/>
            na, & </s>
            <s xml:id="echoid-s2357" xml:space="preserve">appreſſo la Borgogna, ſi truoua una Pietra bianca, la quale ſi può facil-
              <lb/>
              <note position="left" xlink:label="note-054-08" xlink:href="note-054-08a" xml:space="preserve">40</note>
            mente ſegare con una ſega a denti, & </s>
            <s xml:id="echoid-s2358" xml:space="preserve">piallare ancora; </s>
            <s xml:id="echoid-s2359" xml:space="preserve">& </s>
            <s xml:id="echoid-s2360" xml:space="preserve">ſe non che ella per al-
              <lb/>
            tro, è di natura debole, & </s>
            <s xml:id="echoid-s2361" xml:space="preserve">frale, ſarebbe nelle opere di ognuno uſcita fuori; </s>
            <s xml:id="echoid-s2362" xml:space="preserve">ma
              <lb/>
            dalle brinate, dal ghiaccio, & </s>
            <s xml:id="echoid-s2363" xml:space="preserve">dalle ſpruzzaglie, ſi rompe, & </s>
            <s xml:id="echoid-s2364" xml:space="preserve">non è gagliarda cõ-
              <lb/>
            tro i Venti di mare. </s>
            <s xml:id="echoid-s2365" xml:space="preserve">La Iſtria hà una Pietra che ſi aſſomiglia aſſai al </s>
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