Apian, Petrus, Instrvmentvm Sinvvm, sev primi mobilis
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              <pb file="0028" n="28" rhead="GENVINVS VSVS"/>
            nemus in puncto I. </s>
            <s xml:id="echoid-s721" xml:space="preserve">Ita uia ſiue ingreſſu duplici idem nobis repertum eſt, lateraliter ta-
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            men, unde etiam illud patuit, quod citra diſcrimen lateraliter operanti numerus minor
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            accipi queat, tam in diametro AB, quàm in limbo BC, ubi ſi minor numerus è diame
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              <note position="left" xlink:label="note-0028-01" xlink:href="note-0028-01a" xml:space="preserve">
                <emph style="it">Latcralis</emph>
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                <emph style="it">ingreſſus</emph>
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                <emph style="it">cur ita nomi</emph>
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                <emph style="it">natus.</emph>
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            tro mutuatur, tum maior erat ex arcu ſumendus:</s>
            <s xml:id="echoid-s722" xml:space="preserve">
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            maiore numero accepto è diametro, mi
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            nor in arcu BC legendus. </s>
            <s xml:id="echoid-s723" xml:space="preserve">Lateralis autẽ ideo uocatur, quia utri numeri in quadrã
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            tis lateribus inueſtigentur, non autẽ in area. </s>
            <s xml:id="echoid-s724" xml:space="preserve">Arealis uero ingreſſus eſtis, quando nu-
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            merus cognitus in area quadrantis ſumitur, qui idem generaliter quo & </s>
            <s xml:id="echoid-s725" xml:space="preserve">perpetuo mi
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            nor eſſe debet, alius autem, hoc eſt, maior, ſiue in diametro ſiue in limbo pro agentis arbi
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              <note position="left" xlink:label="note-0028-02" xlink:href="note-0028-02a" xml:space="preserve">
                <emph style="it">Arealis ꝗd</emph>
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                <emph style="it">& cur ita</emph>
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                <emph style="it">nuncupatus</emph>
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            trio. </s>
            <s xml:id="echoid-s726" xml:space="preserve">?</s>
            <s xml:id="echoid-s727" xml:space="preserve">? Exempli cauſſa: </s>
            <s xml:id="echoid-s728" xml:space="preserve">Numeri ſint duo, 30 gradus & </s>
            <s xml:id="echoid-s729" xml:space="preserve">20, quibus cũ areatim ingredi ue
              <lb/>
            lis, 20 ergo numerus minor cum ſit, neceſſum eſt, ut in area requiratur, 30 uero ſi in
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            diametro AB (cuiuſmodi in figura quarta ſequenti per literam E docetur) capiuntur,
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            30 unione´ exprimuntur, & </s>
            <s xml:id="echoid-s730" xml:space="preserve">filum denuo ab A uerſus C promouetur, donec unio 20 a-
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            reæ gradum, id eſt, 20 lineam à diametro AC diſsitam teneat, tum ſecari à filo gradus
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            43. </s>
            <s xml:id="echoid-s731" xml:space="preserve">minut. </s>
            <s xml:id="echoid-s732" xml:space="preserve">10. </s>
            <s xml:id="echoid-s733" xml:space="preserve">conſpiciuntur, id quod in quarta figura punctum F arguit, hic autem eſt
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            numerus lateralis alter, quem quærebas. </s>
            <s xml:id="echoid-s734" xml:space="preserve">Potes uiciſsim lateralem notum ueluti gradus
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            30 in limbo requirere (ſicuti figura quinta per G punctum inſinuat, filum´ eo dirigere,
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            quo directo ſi margaritam in 20 gradum areæ figis, iterum´ filum diametro AB in-
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            tendis, cernis ab unione ſimiliter gradus 43. </s>
            <s xml:id="echoid-s735" xml:space="preserve">mi. </s>
            <s xml:id="echoid-s736" xml:space="preserve">10. </s>
            <s xml:id="echoid-s737" xml:space="preserve">in pũcto D, ut antea oſtẽdi. </s>
            <s xml:id="echoid-s738" xml:space="preserve">Is autem
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            lateralis ſecundus eſt, antea incognitus, ueluti habetur palam in figura quinta. </s>
            <s xml:id="echoid-s739" xml:space="preserve">Sed quæ
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            per ſecundam, tertiam, quartam & </s>
            <s xml:id="echoid-s740" xml:space="preserve">quintam figuras docuimus, illa manifeſtius adhuc
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            per ſextam diſces.</s>
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