Cataneo, Girolamo, Hier. Cataneus de arte bellica, sive, de designandis ac construendis arcibus & propugnaculis, necnon & de iis oppugnandis, expugnandis ac propugnandis : de itinere exercitus, ac castrametatione, quando expediat manus cum hoste conserere, 1600

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            <s xml:id="echoid-s228" xml:space="preserve">Sit linea non terminata
              <emph style="sc">AB</emph>
            : </s>
            <s xml:id="echoid-s229" xml:space="preserve">punctum verò extra
              <lb/>
            eam datum
              <emph style="sc">C</emph>
            , à quo volumus in dictam lineam per-
              <lb/>
            pendicularem lineam ducere. </s>
            <s xml:id="echoid-s230" xml:space="preserve">Primò pedem circini im
              <lb/>
            mobilem figemus in dicto puncto
              <emph style="sc">C</emph>
            : </s>
            <s xml:id="echoid-s231" xml:space="preserve">alterum pedem
              <lb/>
            extendemus donec datam lineam interſecet: </s>
            <s xml:id="echoid-s232" xml:space="preserve">quod ſi
              <lb/>
            primò nequeat, extendemus donec fieri poſſit interſe-
              <lb/>
            ctio: </s>
            <s xml:id="echoid-s233" xml:space="preserve">& </s>
            <s xml:id="echoid-s234" xml:space="preserve">cum hac apertura circulum deſcribemus, qui
              <lb/>
            quidem circulus lineam in duobus punctis interſeca-
              <lb/>
            bit, ſcilicet in
              <emph style="sc">D</emph>
            & </s>
            <s xml:id="echoid-s235" xml:space="preserve">
              <emph style="sc">E</emph>
            : </s>
            <s xml:id="echoid-s236" xml:space="preserve">à puncto verò
              <emph style="sc">C</emph>
            ad duo puncta
              <lb/>
              <emph style="sc">D</emph>
            & </s>
            <s xml:id="echoid-s237" xml:space="preserve">
              <emph style="sc">E</emph>
            , duas lineas rectas ducemus, quæ erũt
              <emph style="sc">DC</emph>
            & </s>
            <s xml:id="echoid-s238" xml:space="preserve">
              <emph style="sc">CE</emph>
            ,
              <lb/>
            & </s>
            <s xml:id="echoid-s239" xml:space="preserve">angulum
              <emph style="sc">DCE</emph>
            diuidemus in duas partes æquales
              <lb/>
            per lineam
              <emph style="sc">CF</emph>
            : </s>
            <s xml:id="echoid-s240" xml:space="preserve">quæ quidem diuiſio hoc pacto fiet. </s>
            <s xml:id="echoid-s241" xml:space="preserve">Pe-
              <lb/>
            dem circini immobilem collocabimus in puncto
              <emph style="sc">C</emph>
            , & </s>
            <s xml:id="echoid-s242" xml:space="preserve">
              <lb/>
            cum mobili pede deſcribemus portionẽ circuli, quæ
              <lb/>
            ſecet in punctis
              <emph style="sc">G</emph>
            & </s>
            <s xml:id="echoid-s243" xml:space="preserve">
              <emph style="sc">H</emph>
            , duo latera
              <emph style="sc">DC</emph>
            & </s>
            <s xml:id="echoid-s244" xml:space="preserve">
              <emph style="sc">CE</emph>
            , quæ angu-
              <lb/>
            lum
              <emph style="sc">DCE</emph>
            continent: </s>
            <s xml:id="echoid-s245" xml:space="preserve">arcum autem
              <emph style="sc">GH</emph>
            diuidemus in
              <lb/>
            duas æquales partes in puncto
              <emph style="sc">I</emph>
            : </s>
            <s xml:id="echoid-s246" xml:space="preserve">& </s>
            <s xml:id="echoid-s247" xml:space="preserve">à puncto
              <emph style="sc">C</emph>
            ad pun
              <lb/>
            ctum
              <emph style="sc">I</emph>
            lineam rectam ducemus: </s>
            <s xml:id="echoid-s248" xml:space="preserve">ſicq́; </s>
            <s xml:id="echoid-s249" xml:space="preserve">linea
              <emph style="sc">CI</emph>
            diuidet
              <lb/>
            angulum
              <emph style="sc">DCE</emph>
            , in duas partes æquales, vt oſtendit no-
              <lb/>
            na propoſitio primi Euclidis: </s>
            <s xml:id="echoid-s250" xml:space="preserve">lineam autem
              <emph style="sc">CI</emph>
            pro-
              <lb/>
              <figure xlink:label="fig-0007-01" xlink:href="fig-0007-01a" number="10">
                <image file="0007-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/catan_belli_502_la_1600/figures/0007-01"/>
              </figure>
            </s>
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