Alberti, Leon Battista, L' architettura

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        <div xml:id="echoid-div96" type="section" level="1" n="46">
          <p>
            <s xml:id="echoid-s3912" xml:space="preserve">
              <pb o="85" file="089" n="89" rhead="LIBRO TERZO."/>
            opera ne diremo altroue. </s>
            <s xml:id="echoid-s3913" xml:space="preserve">Et per tanto delle Impalcature di linee diritte ſia
              <lb/>
            detto a baſtanza. </s>
            <s xml:id="echoid-s3914" xml:space="preserve">Se già non ci manca, che io ti auuertiſca di quello certo che
              <lb/>
            io penſo ſi debba in ogni opera oſſeruare. </s>
            <s xml:id="echoid-s3915" xml:space="preserve">Hanno conſiderato i Fiſici, che la
              <lb/>
            Natura nel formare i corpi de gli animali, usò talmente di finire l'opere ſue, che
              <lb/>
            ella non uolſe mai che le oſſa in alcuno luogo fuſsino lontane, o ſeparate dalle
              <lb/>
              <note position="left" xlink:label="note-089-01" xlink:href="note-089-01a" xml:space="preserve">5</note>
            altre oſſa, coſi noi ancora appiccheremo le oſſa alle oſſa, & </s>
            <s xml:id="echoid-s3916" xml:space="preserve">con nerui, & </s>
            <s xml:id="echoid-s3917" xml:space="preserve">legatu-
              <lb/>
            re le confermeremo beniſsimo, accioche l'ordine, & </s>
            <s xml:id="echoid-s3918" xml:space="preserve">il collegamento delle oſſa,
              <lb/>
            ſia quello ſolo, mediante il quale, ſe bene ui mancaſsino le altre coſe, rimanga la
              <lb/>
            opera quaſi come ſinita, con le ſue membra, & </s>
            <s xml:id="echoid-s3919" xml:space="preserve">fortezze.</s>
            <s xml:id="echoid-s3920" xml:space="preserve"/>
          </p>
          <note position="left" xml:space="preserve">10</note>
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        <div xml:id="echoid-div99" type="section" level="1" n="47">
          <head xml:id="echoid-head53" style="it" xml:space="preserve">Delle Impalcature, o Tetti di linee torte; de gli Archi, & loro differentia, et del modo del
            <lb/>
          farli, & del mettere inſieme le pietre de gli Archi. Cap. XIII.</head>
          <note position="left" xml:space="preserve">15</note>
          <p>
            <s xml:id="echoid-s3921" xml:space="preserve">VEgnamo a parlare delle Impalcature di linee torte, & </s>
            <s xml:id="echoid-s3922" xml:space="preserve">quelle certamen-
              <lb/>
            te conſidereremo, lequali in tutti i loro affari, corriſpondono pienamen
              <lb/>
            te alle impalcature di linee diritte. </s>
            <s xml:id="echoid-s3923" xml:space="preserve">Il Palco di linee torte lo fanno gli
              <lb/>
            archi, & </s>
            <s xml:id="echoid-s3924" xml:space="preserve">noi dicemmo, che l'arco era una traue piegata, Intracorronci ancora
              <lb/>
            in queſto luogo legamenti, & </s>
            <s xml:id="echoid-s3925" xml:space="preserve">ci ſi aggiungono coſe da riempiere i Voti, ma io
              <lb/>
              <note position="left" xlink:label="note-089-04" xlink:href="note-089-04a" xml:space="preserve">20</note>
            uorrei eſſere inteſo piu apertamente nel dire, che coſa ſia eſſo arco, & </s>
            <s xml:id="echoid-s3926" xml:space="preserve">di che
              <lb/>
            parti e' ſia compoſto. </s>
            <s xml:id="echoid-s3927" xml:space="preserve">Imperoche io penſo, che gli huomini imparaſsino a
              <lb/>
            gittare gli Archi da queſto. </s>
            <s xml:id="echoid-s3928" xml:space="preserve">Cioè che e' uedeſsino, che due Traui aggiuntateſi
              <lb/>
            inſieme con le teſte, & </s>
            <s xml:id="echoid-s3929" xml:space="preserve">allargateſi di piede da baſſo in diuerſe parti, ſi poteuano
              <lb/>
            per la loro anneſtatura, & </s>
            <s xml:id="echoid-s3930" xml:space="preserve">per i pari peſi, fermare l'una contro l'altra commo-
              <lb/>
              <note position="left" xlink:label="note-089-05" xlink:href="note-089-05a" xml:space="preserve">25</note>
            damente; </s>
            <s xml:id="echoid-s3931" xml:space="preserve">piacque loro queſta tale inuentione, & </s>
            <s xml:id="echoid-s3932" xml:space="preserve">con queſto modo, comincia-
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            rono a porre i tetti, che pioueſsino in diuerſe parti. </s>
            <s xml:id="echoid-s3933" xml:space="preserve">Doppo queſto non po-
              <lb/>
            tendo per auentura coprire, come forſe harebbono uoluto, uno ſpazzo maggio
              <lb/>
            re, per non hauere traui tanto lunghe, poſono inſra le teſte delle Traui, nel me-
              <lb/>
            zo un legno a trauerlo di ſopra, talmente che elle fuſſero quaſi come appreſ-
              <lb/>
              <note position="left" xlink:label="note-089-06" xlink:href="note-089-06a" xml:space="preserve">30</note>
            ſo de Greci è la lettera P, & </s>
            <s xml:id="echoid-s3934" xml:space="preserve">quello che e' ui meſſono, chiamarono forſe Co-
              <lb/>
            nio; </s>
            <s xml:id="echoid-s3935" xml:space="preserve">ſuccedendo da queſto la coſa bene, multiplicatiui conii, ſguardando la
              <lb/>
            fatta effigie di coſi fatto arco, ſatisfece loro: </s>
            <s xml:id="echoid-s3936" xml:space="preserve">Et trasferendo la medeſima rego-
              <lb/>
            la di fare tali archi, nelle opere di pietra, aggiugnendoui ſempre Conij, compo
              <lb/>
            ſono l'arco intero; </s>
            <s xml:id="echoid-s3937" xml:space="preserve">talmente che e' biſogna conſeſſare che eſſo arco, ſia fat-
              <lb/>
              <note position="left" xlink:label="note-089-07" xlink:href="note-089-07a" xml:space="preserve">35</note>
            to del congiugnimento di piu conij inſieme; </s>
            <s xml:id="echoid-s3938" xml:space="preserve">alcuni de quali ſtanno da baſſo
              <lb/>
            con la teſta ſotto l'arco, & </s>
            <s xml:id="echoid-s3939" xml:space="preserve">ſi chiamano le moſſe de gli archi; </s>
            <s xml:id="echoid-s3940" xml:space="preserve">alcuno ſtando ſo-
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            pra nel mezo, ſi chiama il ſerraglio; </s>
            <s xml:id="echoid-s3941" xml:space="preserve">gli altri da i fianchi, finiſcono il reſto del-
              <lb/>
            l'arco a guiſa di Coſtole. </s>
            <s xml:id="echoid-s3942" xml:space="preserve">Nè ſia fuori di propoſito il raccontare di nuouo quel
              <lb/>
            le coſe, che nel primo libro dicemmo. </s>
            <s xml:id="echoid-s3943" xml:space="preserve">Gli Archi infra di loro ſono differen-
              <lb/>
              <note position="left" xlink:label="note-089-08" xlink:href="note-089-08a" xml:space="preserve">40</note>
            ti, imperoche egli èl'arco intero, ilquale è fatto d'un mezzo cerchio, la cor-
              <lb/>
            da delquale ſi dirizza per il centro del cerchio, Enne ancora un'altro, che tie-
              <lb/>
            ne piu di traue, che di arco, & </s>
            <s xml:id="echoid-s3944" xml:space="preserve">lo chiamiamo minore di mezzo cerchio; </s>
            <s xml:id="echoid-s3945" xml:space="preserve">per-
              <lb/>
            che egli non è un'intero mezo cerchio; </s>
            <s xml:id="echoid-s3946" xml:space="preserve">ma è una certa determinata parte </s>
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