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

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            <s xml:space="preserve">
              <pb file="0324" n="324" rhead="LIBER"/>
            centrum, octo ſumãtur, & </s>
            <s xml:space="preserve">ſignentur in linea, quæ eſt
              <lb/>
            in planitia, ubierit liter a.</s>
            <s xml:space="preserve">c. </s>
            <s xml:space="preserve">Hæc autem erit gnomo-
              <lb/>
            nis æquinoctialis umbra, & </s>
            <s xml:space="preserve">abeo figno & </s>
            <s xml:space="preserve">liter a.</s>
            <s xml:space="preserve">c.
              <lb/>
            </s>
            <s xml:space="preserve">per centrũ ubi eſt liter a.</s>
            <s xml:space="preserve">a. </s>
            <s xml:space="preserve">linea perducatur, ubierit
              <lb/>
            ſolis æquinoctialis radius, Tunc ab centro diducto
              <lb/>
            circino adlineam planitiæ æquilatatio ſignetur ubi
              <lb/>
            erit liter a.</s>
            <s xml:space="preserve">e. </s>
            <s xml:space="preserve">ſiniſteriore parte, & </s>
            <s xml:space="preserve">.</s>
            <s xml:space="preserve">i.</s>
            <s xml:space="preserve">dexteriore in ex-
              <lb/>
            tremis lineis circinatiõis, & </s>
            <s xml:space="preserve">per centrũ ꝑducenda li-
              <lb/>
            nea, utæqua duo hemicyclia ſint diuiſa, Hæc autem
              <lb/>
            linea à mathematicis dicitur orizon. </s>
            <s xml:space="preserve">Deinde circina
              <lb/>
            tionis totius ſumend a pars eſt quintadecima, & </s>
            <s xml:space="preserve">circi
              <lb/>
            ni centrum collocandum in linea circinationis, Quo
              <lb/>
            loci ſecat eam lineam æquinoctialis radius, ubierit
              <lb/>
            liter a.</s>
            <s xml:space="preserve">f. </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">ſignandum dextra ac finiſtraubi ſunt li
              <lb/>
            teræ.</s>
            <s xml:space="preserve">g.</s>
            <s xml:space="preserve">h. </s>
            <s xml:space="preserve">Deinde abhis & </s>
            <s xml:space="preserve">per centrum lineæ uſq́
              <lb/>
            adline am planitiæ perducendæ ſunt, ubierunt lite-
              <lb/>
            ræ.</s>
            <s xml:space="preserve">t.</s>
            <s xml:space="preserve">r.</s>
            <s xml:space="preserve">ita erit ſolisradius, unus hibernus alter aſti
              <lb/>
            uus. </s>
            <s xml:space="preserve">Contra autem. </s>
            <s xml:space="preserve">e. </s>
            <s xml:space="preserve">liter a. </s>
            <s xml:space="preserve">i. </s>
            <s xml:space="preserve">erit, ubiſecat circinatio
              <lb/>
            nem linea quæ eſt traiecta per centrum, & </s>
            <s xml:space="preserve">cõtra. </s>
            <s xml:space="preserve">g. </s>
            <s xml:space="preserve">
              <lb/>
            &</s>
            <s xml:space="preserve">. h. </s>
            <s xml:space="preserve">literæ erunt. </s>
            <s xml:space="preserve">k. </s>
            <s xml:space="preserve">&</s>
            <s xml:space="preserve">. l. </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">contra. </s>
            <s xml:space="preserve">c. </s>
            <s xml:space="preserve">&</s>
            <s xml:space="preserve">. f. </s>
            <s xml:space="preserve">&</s>
            <s xml:space="preserve">. a. </s>
            <s xml:space="preserve">erit
              <lb/>
            liter a.</s>
            <s xml:space="preserve">n. </s>
            <s xml:space="preserve">Tunc perducendæ ſunt diametri ab. </s>
            <s xml:space="preserve">g. </s>
            <s xml:space="preserve">ad
              <lb/>
            l. </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">ab.</s>
            <s xml:space="preserve">h.</s>
            <s xml:space="preserve">ad.</s>
            <s xml:space="preserve">k. </s>
            <s xml:space="preserve">Quæ erit iferior, partis erit æſtiuæ,
              <lb/>
            ſuperior hibernæ. </s>
            <s xml:space="preserve">Quæ diametri ſunt aque mediæ
              <lb/>
            diuidendæ, ubi erunt liter a.</s>
            <s xml:space="preserve">m. </s>
            <s xml:space="preserve">&</s>
            <s xml:space="preserve">. o. </s>
            <s xml:space="preserve">ibiq́ centra fi-
              <lb/>
            gnanda, & </s>
            <s xml:space="preserve">per ea figna & </s>
            <s xml:space="preserve">centrum. </s>
            <s xml:space="preserve">a. </s>
            <s xml:space="preserve">linea adex-
              <lb/>
            tremas lineas circinationis eſt perducenda, ubierũt
              <lb/>
            liter æ. </s>
            <s xml:space="preserve">p.</s>
            <s xml:space="preserve">q. </s>
            <s xml:space="preserve">Hæc erit linea pros horthas radio æqui-
              <lb/>
            noctiali. </s>
            <s xml:space="preserve">Vocabitur autem hæc linea mathematicis ra
              <lb/>
            tionibus Axon, & </s>
            <s xml:space="preserve">abeiſdem centris diducto circino
              <lb/>
            ad extremas diametros deſcribãtur hemicyclia </s>
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