Vitruvius, L. Victrvvii Pollionis ad Cesarem Avgvstvm De architectvra, 1490

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            <s xml:id="echoid-s7562" xml:space="preserve">
              <pb o="152" file="00159" n="159"/>
            ſcribantur in planitía & </s>
            <s xml:id="echoid-s7563" xml:space="preserve">ex media Proſorchas erigatur uti ſit ad
              <lb/>
            normam que dicitur Gnomon & </s>
            <s xml:id="echoid-s7564" xml:space="preserve">a linea quæ erit planities in fine
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            Gnomonis circum nouem ſpatia demetiantur. </s>
            <s xml:id="echoid-s7565" xml:space="preserve">& </s>
            <s xml:id="echoid-s7566" xml:space="preserve">quo loco none
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            paitis ſignum fuerit centrum conſtituatur ubi erit littera A. </s>
            <s xml:id="echoid-s7567" xml:space="preserve">& </s>
            <s xml:id="echoid-s7568" xml:space="preserve">de
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            ducto circino ab eo centro ad lineam planitia ubi erit littera. </s>
            <s xml:id="echoid-s7569" xml:space="preserve">B. </s>
            <s xml:id="echoid-s7570" xml:space="preserve">cir
              <lb/>
            cinatio circuli deſcribatur quæ dicitur meridiana. </s>
            <s xml:id="echoid-s7571" xml:space="preserve">Deinde ex nouẽ
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            partibus que ſunt in planitia ad Gnomonls centrum octo ſuman
              <lb/>
            tur & </s>
            <s xml:id="echoid-s7572" xml:space="preserve">ſignentur in linea quæ eſt in planitia ubi erit littera. </s>
            <s xml:id="echoid-s7573" xml:space="preserve">C. </s>
            <s xml:id="echoid-s7574" xml:space="preserve">hæc
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            autem erit gnomonis æquinoctialis umbra. </s>
            <s xml:id="echoid-s7575" xml:space="preserve">& </s>
            <s xml:id="echoid-s7576" xml:space="preserve">ab eo ſigno & </s>
            <s xml:id="echoid-s7577" xml:space="preserve">litte
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            ra. </s>
            <s xml:id="echoid-s7578" xml:space="preserve">C. </s>
            <s xml:id="echoid-s7579" xml:space="preserve">per centrum ubi eſt littera. </s>
            <s xml:id="echoid-s7580" xml:space="preserve">A. </s>
            <s xml:id="echoid-s7581" xml:space="preserve">linea perducatur ubi erit ſolis
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            æquinoctialis radius. </s>
            <s xml:id="echoid-s7582" xml:space="preserve">T unc a centro deducto circino ad lineam
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            Planitiæ æquilatatio ſigtietur ubi erit littera e. </s>
            <s xml:id="echoid-s7583" xml:space="preserve">ſiniſteriori parte & </s>
            <s xml:id="echoid-s7584" xml:space="preserve">
              <lb/>
            inde altiore in extremis lineis circinationis & </s>
            <s xml:id="echoid-s7585" xml:space="preserve">per centrum perducẽ
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            dum ut equa duo hemiciclia ſint diuiſa. </s>
            <s xml:id="echoid-s7586" xml:space="preserve">Hec autem linea a mathe
              <lb/>
            maticis dicitur Orizon. </s>
            <s xml:id="echoid-s7587" xml:space="preserve">Deinde circinationis totius ſumẽda pars
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            eſt. </s>
            <s xml:id="echoid-s7588" xml:space="preserve">xv. </s>
            <s xml:id="echoid-s7589" xml:space="preserve">& </s>
            <s xml:id="echoid-s7590" xml:space="preserve">circini cent℞ collocandum in linea circinationis. </s>
            <s xml:id="echoid-s7591" xml:space="preserve">Quo lo
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            ci ſecat eam lineam equinoctialis radius ubi erat littera.</s>
            <s xml:id="echoid-s7592" xml:space="preserve">c. </s>
            <s xml:id="echoid-s7593" xml:space="preserve">& </s>
            <s xml:id="echoid-s7594" xml:space="preserve">ſignã
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            dum dextra ſiniſtra ubi ſunt littere. </s>
            <s xml:id="echoid-s7595" xml:space="preserve">g. </s>
            <s xml:id="echoid-s7596" xml:space="preserve">h. </s>
            <s xml:id="echoid-s7597" xml:space="preserve">Deinde ab his lineis uſ
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            ad lineam planitie perducende ſunt ubi erunt littere. </s>
            <s xml:id="echoid-s7598" xml:space="preserve">t. </s>
            <s xml:id="echoid-s7599" xml:space="preserve">r@ſta erit ſo
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            lis radius unus hiternus Alter æſtiuus Contra autem e littera. </s>
            <s xml:id="echoid-s7600" xml:space="preserve">i.
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            </s>
            <s xml:id="echoid-s7601" xml:space="preserve">erie qui ſecat circinationem linee que eſt traiecta per cenerum ubi e
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            runc littere. </s>
            <s xml:id="echoid-s7602" xml:space="preserve">I.</s>
            <s xml:id="echoid-s7603" xml:space="preserve">R.</s>
            <s xml:id="echoid-s7604" xml:space="preserve">L.</s>
            <s xml:id="echoid-s7605" xml:space="preserve">M. </s>
            <s xml:id="echoid-s7606" xml:space="preserve">& </s>
            <s xml:id="echoid-s7607" xml:space="preserve">contra. </s>
            <s xml:id="echoid-s7608" xml:space="preserve">R. </s>
            <s xml:id="echoid-s7609" xml:space="preserve">linee eiunt. </s>
            <s xml:id="echoid-s7610" xml:space="preserve">R. </s>
            <s xml:id="echoid-s7611" xml:space="preserve">H. </s>
            <s xml:id="echoid-s7612" xml:space="preserve">X. </s>
            <s xml:id="echoid-s7613" xml:space="preserve">I. </s>
            <s xml:id="echoid-s7614" xml:space="preserve">L. </s>
            <s xml:id="echoid-s7615" xml:space="preserve">& </s>
            <s xml:id="echoid-s7616" xml:space="preserve">co
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            tra.</s>
            <s xml:id="echoid-s7617" xml:space="preserve">c.</s>
            <s xml:id="echoid-s7618" xml:space="preserve">& </s>
            <s xml:id="echoid-s7619" xml:space="preserve">F. </s>
            <s xml:id="echoid-s7620" xml:space="preserve">&</s>
            <s xml:id="echoid-s7621" xml:space="preserve">. A. </s>
            <s xml:id="echoid-s7622" xml:space="preserve">erit littera. </s>
            <s xml:id="echoid-s7623" xml:space="preserve">N. </s>
            <s xml:id="echoid-s7624" xml:space="preserve">T unc perducẽde ſunt diametro ab
              <lb/>
            c.</s>
            <s xml:id="echoid-s7625" xml:space="preserve">ad. </s>
            <s xml:id="echoid-s7626" xml:space="preserve">i. </s>
            <s xml:id="echoid-s7627" xml:space="preserve">& </s>
            <s xml:id="echoid-s7628" xml:space="preserve">ab. </s>
            <s xml:id="echoid-s7629" xml:space="preserve">h. </s>
            <s xml:id="echoid-s7630" xml:space="preserve">q̃ erit infe ior partis æſtiue ſuperior hibernæ eque
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            diametro ſunt æque medie diuidende ubi erune littere. </s>
            <s xml:id="echoid-s7631" xml:space="preserve">O. </s>
            <s xml:id="echoid-s7632" xml:space="preserve">&</s>
            <s xml:id="echoid-s7633" xml:space="preserve">. P. </s>
            <s xml:id="echoid-s7634" xml:space="preserve">
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            Ibi centra ſignanda & </s>
            <s xml:id="echoid-s7635" xml:space="preserve">per ea ſigna & </s>
            <s xml:id="echoid-s7636" xml:space="preserve">centram. </s>
            <s xml:id="echoid-s7637" xml:space="preserve">c. </s>
            <s xml:id="echoid-s7638" xml:space="preserve">linee ad ext emas
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            lineas circinationis ſunt perducendæ ubi erunt littere. </s>
            <s xml:id="echoid-s7639" xml:space="preserve">G. </s>
            <s xml:id="echoid-s7640" xml:space="preserve">P. </s>
            <s xml:id="echoid-s7641" xml:space="preserve">T. </s>
            <s xml:id="echoid-s7642" xml:space="preserve">
              <lb/>
            R. </s>
            <s xml:id="echoid-s7643" xml:space="preserve">hæc erit linea Proſorchas radio equinoctiali. </s>
            <s xml:id="echoid-s7644" xml:space="preserve">Vocabitur autem
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            hæc linea mathematicis ratiõtbus Axon. </s>
            <s xml:id="echoid-s7645" xml:space="preserve">& </s>
            <s xml:id="echoid-s7646" xml:space="preserve">ab eiſdem cẽtris dedue
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            to circino ad extremas diametios deſcribantur hemTelclia. </s>
            <s xml:id="echoid-s7647" xml:space="preserve">Quorũ
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            unum erit eſtiuum alterum h bernum. </s>
            <s xml:id="echoid-s7648" xml:space="preserve">Deinde in quibus locis ſe
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            cant linee paralellon & </s>
            <s xml:id="echoid-s7649" xml:space="preserve">lineam que dicitur Orizon in dexteriore ꝑ
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            te exit liuera. </s>
            <s xml:id="echoid-s7650" xml:space="preserve">P. </s>
            <s xml:id="echoid-s7651" xml:space="preserve">in ſiniſterioie. </s>
            <s xml:id="echoid-s7652" xml:space="preserve">T. </s>
            <s xml:id="echoid-s7653" xml:space="preserve">& </s>
            <s xml:id="echoid-s7654" xml:space="preserve">ab litteia: </s>
            <s xml:id="echoid-s7655" xml:space="preserve">F. </s>
            <s xml:id="echoid-s7656" xml:space="preserve">ducatur </s>
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