Apian, Petrus, Instrvmentvm Sinvvm, sev primi mobilis

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        <div xml:id="echoid-div15" type="section" level="1" n="10">
          <pb file="0030" n="30" rhead="GENVINVS VSVS"/>
          <p>
            <s xml:id="echoid-s742" xml:space="preserve">Hæcigitur ſufficiãt de ingreſsibus tradita. </s>
            <s xml:id="echoid-s743" xml:space="preserve">Reſtat ut generali quadam methodo doce
              <lb/>
            am, quomodo uſus centum ſubſcriptos per quadrantem quo hunc conſequi ualeas, cõ
              <lb/>
            fiat autem id duabus regulis, quarum prima eſt.</s>
            <s xml:id="echoid-s744" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div17" type="section" level="1" n="11">
          <head xml:id="echoid-head13" xml:space="preserve">REGVLA PRIMA.</head>
          <p>
            <s xml:id="echoid-s745" xml:space="preserve">Quotieſcun hoc in libro dicitur fieri oportere diuiſionem, hanc´ per ſinum inte-
              <lb/>
            grum ſiue perfectum, Toties putãdum eſt operationem eandem in qua drante exigi poſ
              <lb/>
            ſe per lateralem introitum.</s>
            <s xml:id="echoid-s746" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div18" type="section" level="1" n="12">
          <head xml:id="echoid-head14" xml:space="preserve">REGVLA SECVNDA.</head>
          <p>
            <s xml:id="echoid-s747" xml:space="preserve">Quoties multiplicationẽ fieri per ſinum integrum ſiue perfectũ contingit, toties o-
              <lb/>
            perandum eſt arealiter in quadrante, ueluti per totum opus in paginarum marginibus
              <lb/>
            paſsim indica mus, nunc arealem, nunc lateralem ingreſſum hortantes.</s>
            <s xml:id="echoid-s748" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div19" type="section" level="1" n="13">
          <head xml:id="echoid-head15" xml:space="preserve">TALIS AD VSVM QVADRANS ADORNARI</head>
          <head xml:id="echoid-head16" xml:space="preserve">debet quantuſcun ſit.</head>
          <figure number="9">
            <image file="0030-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0030-01"/>
          </figure>
        </div>
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