Alberti, Leone Battista, De re aedificatoria, 1485

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          <chap id="N40001A">
            <p id="N409E2D" type="main">
              <s id="N40A066">
                <pb xlink:href="004/01/216.jpg"/>
              cetur: atque in pictura ad ſupremum caput axis adſcribetur
                <lb/>
              Quam quidem diametrum cum erit deſcripta in particu
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              las diuidemus duodecim. </s>
              <s id="N40A07B">Harum particularum integram
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              unam occupabunt una torquis et nextrum ſummæ proiectu
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              ræ. </s>
              <s id="N40A084">Sic nam torquis huius ipſius xii. </s>
              <s id="N40A087">tertiam capiet bis: reli
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              quum dabitur nextro. </s>
              <s id="N40A08C">Sed hac proiectura erit retractio: cu
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              ius centrum diſtabit a centro ſupremi circuli proiecturæ ex
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              particulis illius. xii. una atque inſuper dimidia. </s>
              <s id="N40A099">Eritque retra
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              ctionis ipſius diameter minus diametro maximo proiecturæ
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              ex illius nona. </s>
              <s id="N40A0A0">Poſt hæc ducetur inflexa linea ductu quali
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              infimam duximus inflexuram. </s>
              <s id="N40A0A5">Demum perſcriptis in pictu
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              ra proiectionibus / retractionibus / obliquis inflexuris et
                <expan abbr="uẽtris">uen
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                tris</expan>
              diametro ducetur linea recta a capite
                <expan abbr="retractiõis">retractionis</expan>
              ſupre
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              mæ atque item a capite imæ retractionis ad caput diametri:
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              qua uentrem notarimus. </s>
              <s id="N40A0B8">Itaque his quas
                <expan abbr="recẽſuimus">recenſuimus</expan>
              perſcrip
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              tionibus linea quæ finitor dicitur compoſita eſt. </s>
              <s id="N40A0C1">Ad cuius
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              lineæ modum tabula gracilis deformabitur / qua fabri lapi
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              cidæ iuſtum columnæ ambitum et finitiones captent atque
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              terminent. </s>
              <s id="N40A0CA">Scapi imi ſuperficies ſi erit columna bene torna
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              ta ad pares utrinque angulos medii
                <expan abbr="perpẽdiculi">perpendiculi</expan>
              coæquabitur
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              ducto radio a
                <expan abbr="cẽtro">centro</expan>
              circuli / qui in ſuprema columnæ ſuper
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              ficie ſit. </s>
              <s id="N40A0DB">Hæc a ueteribus litteris tradita
                <expan abbr="nõ">non</expan>
              inuenimus: ſed
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              diligentia ſtudioque ex optimorum operibus annotauimus.
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              </s>
              <s id="N40A0E5">Quæ ſequentur ad iſtiuſmodi lineamentorum rationes ma
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              xima ex parte pertinebunt: eruntque multo digniſſima et ad
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              pictorum delitias mirifice conferent.</s>
            </p>
            <p id="N40A0EC" type="head">
              <s id="N40A0EE">LEONIS BAPTISTAE ALBERTI DE RE
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              AEDIFICATORIA LIBER SEPTIMVS
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              QVI SACRORVM ORNAMENTVM
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              INSCRIBITVR.</s>
            </p>
          </chap>
        </body>
      </text>
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