Alberti, Leon Battista, L' architettura

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          <pb o="343" file="349" n="349" rhead="LIBRO NONO."/>
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            <lb/>
          Dupla # 0 # 0 # ſeſqui altera
            <lb/>
          # 0 # 0 # 0
            <lb/>
          # 0 # 0 # 0 # 0 # ſeſqui tertia
            <lb/>
          </note>
          <p>
            <s xml:id="echoid-s12461" xml:space="preserve">Overamẽte ſi fà il medeſimo in queſto modo, Sia verbi gratia il minor nume
              <lb/>
              <note position="left" xlink:label="note-349-02" xlink:href="note-349-02a" xml:space="preserve">5</note>
            ro tre, io gli aggiũgo ꝑ vna ſeſquitertia, & </s>
            <s xml:id="echoid-s12462" xml:space="preserve">diuẽta quattro: </s>
            <s xml:id="echoid-s12463" xml:space="preserve">aggiũgo a queſto quat
              <lb/>
            tro vna ſeſqui altera, & </s>
            <s xml:id="echoid-s12464" xml:space="preserve">diuenterà ſei, ilquale referẽdoſi al tre fà apũto vna dupla.</s>
            <s xml:id="echoid-s12465" xml:space="preserve"/>
          </p>
          <note position="left" xml:space="preserve">10</note>
          <note position="right" xml:space="preserve">
            <lb/>
          Dupla # 0 # 0 # ſeſqui altera
            <lb/>
          # 0 # 0 # 0 # 0 # 0 # 0 # 0 # 0 # 0 # 0 # ſeſqui tertia</note>
          <p>
            <s xml:id="echoid-s12466" xml:space="preserve">La tripla ancora ſi fà della doppia & </s>
            <s xml:id="echoid-s12467" xml:space="preserve">della ſeſqui altera congiunte inſieme, Sia
              <lb/>
            verbi gratia il numero minore in queſto luogo due, queſto addoppiandolo di-
              <lb/>
            uenterà quattro, aggiungo à queſto vna ſeſqui altera, & </s>
            <s xml:id="echoid-s12468" xml:space="preserve">diuenterà vi. </s>
            <s xml:id="echoid-s12469" xml:space="preserve">ilqual nu-
              <lb/>
              <note position="left" xlink:label="note-349-05" xlink:href="note-349-05a" xml:space="preserve">15</note>
            mero del ſei riſponde al dua per Tripla.</s>
            <s xml:id="echoid-s12470" xml:space="preserve"/>
          </p>
          <note position="left" xml:space="preserve">20</note>
          <note position="right" xml:space="preserve">
            <lb/>
          Tripla # 0 # 0 # duplicata
            <lb/>
          # 0 # 0 # 0 # 0 # 0 # 0 # 0 # 0 # 0 # 0 # ſeſqui altera</note>
          <p>
            <s xml:id="echoid-s12471" xml:space="preserve">Overamente il medeſimo ſi fà in queſto modo, poſto il medeſimo numero
              <lb/>
            del due per minore, piglia la ſeſqui altera, & </s>
            <s xml:id="echoid-s12472" xml:space="preserve">harai tre, raddoppia dipoi il nu-
              <lb/>
            mero tre, & </s>
            <s xml:id="echoid-s12473" xml:space="preserve">haremo ſei che’n terzo corriſponde al due.</s>
            <s xml:id="echoid-s12474" xml:space="preserve"/>
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          <note position="left" xml:space="preserve">25</note>
          <note position="right" xml:space="preserve">
            <lb/>
          Tripla # 0 # 0 # ſeſqui altera
            <lb/>
          # 0 # 0 # 0
            <lb/>
          # 0 # 0 # 0 # 0 # 0 # 0 # addoppiata
            <lb/>
          </note>
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            <s xml:id="echoid-s12475" xml:space="preserve">Con quelle ſteſſe eſtenſioni ſi produce la quadrupla con lequali ſi compone
              <lb/>
              <note position="left" xlink:label="note-349-10" xlink:href="note-349-10a" xml:space="preserve">30</note>
            la dupla, aggiunto à quelle l’altra dupla, concioſia che queſta ſi fà della dupla
              <lb/>
            addoppiata, laquale ſi chiama anchora diſdiapaſon, & </s>
            <s xml:id="echoid-s12476" xml:space="preserve">ſi fà in queſto modo, Sia
              <lb/>
            verbi gratia il minor numero in queſto luogo il due addoppio queſto & </s>
            <s xml:id="echoid-s12477" xml:space="preserve">diuen
              <lb/>
            ta Diapaſon, cioè quattro che riſponde come quattro à due, raddoppio anco-
              <lb/>
            ra queſto altro, & </s>
            <s xml:id="echoid-s12478" xml:space="preserve">diuenta diſdiapaſon, nel qual riſponde l’otto al due.</s>
            <s xml:id="echoid-s12479" xml:space="preserve"/>
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          <note position="left" xml:space="preserve">35</note>
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            <lb/>
          Quadrupla # 0 # 0 # Diapaſon
            <lb/>
          # 0 # 0 # 0 # 0
            <lb/>
          # 0 # 0 # 0 # 0 # 0 # 0 # 0 # 0 # Diſdiapaſon
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          <note position="left" xml:space="preserve">40</note>
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            <s xml:id="echoid-s12480" xml:space="preserve">Queſta quadrupla ſi compone ancora, aggiunto alla dupla vna ſeſqui alte-
              <lb/>
            ra, & </s>
            <s xml:id="echoid-s12481" xml:space="preserve">inſieme vna ſeſquitertia, & </s>
            <s xml:id="echoid-s12482" xml:space="preserve">come queſto ſi faccia ſi uede maniſeſto per
              <lb/>
            le coſe che dicemmo poco fà, ma accioche venga piu eſplicata, porremola piu
              <lb/>
            aperta, poſto verbi gratia il due per la ſeſqui altera diuenterà tre, ilqual tre </s>
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