Clavius, Christoph, Geometria practica

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            <s xml:id="echoid-s130" xml:space="preserve">
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            rum quoniam & </s>
            <s xml:id="echoid-s131" xml:space="preserve">hic de vnica tantum parte fuit ſollicitus: </s>
            <s xml:id="echoid-s132" xml:space="preserve">& </s>
            <s xml:id="echoid-s133" xml:space="preserve">alii,
              <lb/>
            quamuis aggreſſi omnia, multa tamen inter ſcriben dum præterierunt:
              <lb/>
            </s>
            <s xml:id="echoid-s134" xml:space="preserve">decreui, ſi qua poſſem, perficere: </s>
            <s xml:id="echoid-s135" xml:space="preserve">vt, quicquid vtiliter in Geometria
              <lb/>
            practica ab aliis traditum, à me etiam inuentum eſt, vnius operis gyro
              <lb/>
            clauderetur. </s>
            <s xml:id="echoid-s136" xml:space="preserve">Quod opus, cum ſpecies tres quantitatis continuæ ſint,
              <lb/>
            in tria membra, parteſ{q́ue} præcipuas ſecuimus: </s>
            <s xml:id="echoid-s137" xml:space="preserve">In prima rectas lineas,
              <lb/>
            in altera ſuperficies, corpora metientes in poſtrema: </s>
            <s xml:id="echoid-s138" xml:space="preserve">cui annectuntur
              <lb/>
            alia, quæ non tam ad quantitatis dimenſionem, quam ad alias Geo-
              <lb/>
            met@iæ praxes, ac demonſtrationes pertinent, à noſtro inſtituto non
              <lb/>
            aliena.</s>
            <s xml:id="echoid-s139" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s140" xml:space="preserve">VNIVERSAM autem tractationem in octo libros partiti ſum{us}.</s>
            <s xml:id="echoid-s141" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s142" xml:space="preserve">PRIMVS propoſitiones tres omnino neceſſari{as}, & </s>
            <s xml:id="echoid-s143" xml:space="preserve">perquam vtiles ad
              <lb/>
            omnium magnitudinum dimenſionem accuratè perficiendam continet.</s>
            <s xml:id="echoid-s144" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s145" xml:space="preserve">IN Secundo dimenſio linearum rectarum per Quadrantem Aſtronomi-
              <lb/>
            cum tam pendulum, quàm ſtabilem abſoluitur.</s>
            <s xml:id="echoid-s146" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s147" xml:space="preserve">TERTIVS de earundem rectarum linearum dimenſione per Quadra-
              <lb/>
            tum Geometricum tum pendulum, tum ſtabile, etiam per vnicam ſtationem,
              <lb/>
            agit. </s>
            <s xml:id="echoid-s148" xml:space="preserve">Vbietiam, qua ratione ſine huiuſmodi inſtrumento earundem recta-
              <lb/>
            rum linearum Dimenſiones nonnullæ fieri poſſint, traditur.</s>
            <s xml:id="echoid-s149" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s150" xml:space="preserve">QVARTVS ſuperficierum are{as} inquirit:</s>
            <s xml:id="echoid-s151" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s152" xml:space="preserve">QVINTVS ſolid{as} magnitudines metitur.</s>
            <s xml:id="echoid-s153" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s154" xml:space="preserve">ATQVE hiſce quinque libris omnes tres partes Geometriæ practicæ à
              <lb/>
            nobis propoſitæ explicantur.</s>
            <s xml:id="echoid-s155" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s156" xml:space="preserve">IN Sexto deinde libro de Geodæſia, ideſt, de ſuperficierum rectiline
              <unsure/>
            arum
              <lb/>
            cuiuſque generis Diuiſione tam per rect{as} ex certo aliquo puncto duct{as},
              <lb/>
            quam per line{as} parallel{as}, diſſeritur. </s>
            <s xml:id="echoid-s157" xml:space="preserve">Vbinonnulla etiam alia problemata ad
              <lb/>
            idem argumentum ſpectantia ſoluuntur. </s>
            <s xml:id="echoid-s158" xml:space="preserve">Item qua ratione figuræ tam pla-
              <lb/>
            næ, quam ſolidæ, vnà
              <unsure/>
            cum circulo ac ſphæra in data proportione augendæ ſint,
              <lb/>
            minuendæúe. </s>
            <s xml:id="echoid-s159" xml:space="preserve">In cui{us} rei gratiam modi aliquot proponuntur inuenienda-
              <lb/>
            rum duarum mediarum proportionalium inter du{as} rect{as} dat{as}. </s>
            <s xml:id="echoid-s160" xml:space="preserve">Denique
              <lb/>
            ars facilis, & </s>
            <s xml:id="echoid-s161" xml:space="preserve">expedita pro extrabendis radicib{us} cuiuſque generis præſcri-
              <lb/>
            bitur.</s>
            <s xml:id="echoid-s162" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s163" xml:space="preserve">SEPTIMVS de figuris Iſopemetris diſputat.</s>
            <s xml:id="echoid-s164" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s165" xml:space="preserve">IN Octauo deniq{ue} varia problemata, ac theoremata Geometrica per-
              <lb/>
            tractantur.</s>
            <s xml:id="echoid-s166" xml:space="preserve"/>
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