Vitruvius, Vitrvvivs Itervm Et Frontinvs À Iocvndo Revisi Repvrgatiqve Qvantvm Ex Collatione Licvit, 1513

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            gionum unde uentorum ſpiritus oriũtur. </s>
            <s xml:space="preserve">Ergo ſiita
              <lb/>
            eſt, tantum erit uti non certam menſuræ ratiõem, ſed
              <lb/>
            aut maiores impetus, aut minores, habeant ſinguli
              <lb/>
            uenti. </s>
            <s xml:space="preserve">Quoniam hæc à nobis ſunt breuiter expoſi-
              <lb/>
            ta, ut facilius intelligantur, uiſum eſt mihi in extremo
              <lb/>
            uolumine formam, ſiue uti græci σΧἨμαΤα dicũt,
              <lb/>
            duo explicare, unum ita deformatum, ut appareat
              <lb/>
            unde certi uentorum ſpiritus oriantur, alterũ quem-
              <lb/>
            admodum ab impetu eorum, aduerſis directionibus
              <lb/>
            uicorum & </s>
            <s xml:space="preserve">platearum, euitentur nocentes flatus. </s>
            <s xml:space="preserve">Erit
              <lb/>
            autem in exequata planitie centrum, ubieſt litera. </s>
            <s xml:space="preserve">a.
              <lb/>
            </s>
            <s xml:space="preserve">gnomonis autem antemeridiana umbra, ubieſt. </s>
            <s xml:space="preserve">b. </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">
              <lb/>
            abcentro ubi eſt. </s>
            <s xml:space="preserve">a. </s>
            <s xml:space="preserve">diducto circino ad id ſignum um,
              <lb/>
            bræ, ubi eſt. </s>
            <s xml:space="preserve">b. </s>
            <s xml:space="preserve">circũagatur linearotundationis, repoſi
              <lb/>
            to autem gnomone ubi antea fuerat, expectanda eſt,
              <lb/>
            dum decreſcat, faciatq́ iterum creſcendo, parẽ ante-
              <lb/>
            meridianæ umbræ poſtmeridianam, tangatq́ lineam
              <lb/>
            rotundationis, ubi erit litera. </s>
            <s xml:space="preserve">c. </s>
            <s xml:space="preserve">Tunc à ſigno ubi eſt
              <lb/>
            .</s>
            <s xml:space="preserve">b. </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">abſigno ubi eſt. </s>
            <s xml:space="preserve">c. </s>
            <s xml:space="preserve">circino decuſſatim deſcriba-
              <lb/>
            tur, ubi erit. </s>
            <s xml:space="preserve">d. </s>
            <s xml:space="preserve">deinde per decuſſationem ubi eſt. </s>
            <s xml:space="preserve">d. </s>
            <s xml:space="preserve">et
              <lb/>
            centrum, perducatur linea ad extremum, in qua erũt
              <lb/>
            literæ. </s>
            <s xml:space="preserve">e. </s>
            <s xml:space="preserve">et. </s>
            <s xml:space="preserve">f. </s>
            <s xml:space="preserve">Hæc linea erit index meridianæ, & </s>
            <s xml:space="preserve">ſep-
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            tentrionalis regionis. </s>
            <s xml:space="preserve">Tunc circino totius rotundatio-
              <lb/>
            nis ſumenda eſt pars ſextadecima circiniq́ centrum
              <lb/>
            ponendum in meridiana linea, quæ tangit rotunda-
              <lb/>
            tionem ubieſt liter a. </s>
            <s xml:space="preserve">e. </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">ſignandum dextra acſini-
              <lb/>
            ſtra, ubi erunt literæ. </s>
            <s xml:space="preserve">g. </s>
            <s xml:space="preserve">h. </s>
            <s xml:space="preserve">Item in ſeptẽtrionali parte
              <lb/>
            centrum cir cini ponendum in rotundationis ſeptẽtrĩo
              <lb/>
            nalilinea, ubi eſt litera. </s>
            <s xml:space="preserve">f. </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">ſignandum dextra ac ſi
              <lb/>
            niſtra, ubi ſunt literæ. </s>
            <s xml:space="preserve">i. </s>
            <s xml:space="preserve">&</s>
            <s xml:space="preserve">. k. </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">ab. </s>
            <s xml:space="preserve">g. </s>
            <s xml:space="preserve">ad. </s>
            <s xml:space="preserve">k. </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">ab. </s>
            <s xml:space="preserve">h.</s>
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