Apollonius <Pergaeus>, Apollonii Pergaei Conicorvm Lib. V. VI. VII. paraphraste Abalphato Asphahanensi : nunc primum editi ; additvs in calce Archimedis assvmptorvm liber, ex codibvs arabicis mss Abrahamus Ecchellensis Maronita latinos reddidit, Jo. Alfonsvs Borellvs curam in geometricis versione contulit & [et] notas vberiores in vniuersum opus adiecit

Page concordance

< >
Scan Original
301 263
302 264
303 265
304 266
305 267
306 268
307 269
308 270
309 271
310 272
311 273
312 274
313 275
314 276
315 277
316 278
317 279
318 280
319 281
320 282
321 283
322 284
323 285
324 286
325 287
326 288
327 289
328 290
329 291
330
< >
page |< < (236) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div749" type="section" level="1" n="235">
          <p style="it">
            <s xml:id="echoid-s8844" xml:space="preserve">
              <pb o="236" file="0274" n="274" rhead="Apollonij Pergæi"/>
            nuuntur quidem; </s>
            <s xml:id="echoid-s8845" xml:space="preserve">ſed non efficiuntur minora interuallo quo parallelæ asymptoti
              <lb/>
            diſtant inter ſe; </s>
            <s xml:id="echoid-s8846" xml:space="preserve">ex altera verò parte perueniri poteſt ad interuallum minus
              <lb/>
            quolibet dato. </s>
            <s xml:id="echoid-s8847" xml:space="preserve">Et hoc erat faciendum.</s>
            <s xml:id="echoid-s8848" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s8849" xml:space="preserve">Data hyperbola eadem X præcedentis propoſitionis deſcribere duos ſi-
              <lb/>
              <note position="left" xlink:label="note-0274-01" xlink:href="note-0274-01a" xml:space="preserve">PROP.
                <lb/>
              14. Add.</note>
            miles conos, vt idem planum in eis efficiat duas hyperbolas ſimiles da-
              <lb/>
            tæ ſectioni, quæ asymptoticæ ſint, & </s>
            <s xml:id="echoid-s8850" xml:space="preserve">ex vtraque parte ſibi ipſis vici-
              <lb/>
            niores fiant interuallo minori quolibet dato.</s>
            <s xml:id="echoid-s8851" xml:space="preserve"/>
          </p>
          <figure number="320">
            <image file="0274-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0274-01"/>
          </figure>
          <p style="it">
            <s xml:id="echoid-s8852" xml:space="preserve">In quolibet plano fiat angulus A d G æqualis angulo inclinationis diametri,
              <lb/>
            & </s>
            <s xml:id="echoid-s8853" xml:space="preserve">baſis hyperbolæ datæ X, & </s>
            <s xml:id="echoid-s8854" xml:space="preserve">per G d extenſo quolibet alio plano, ducatur in
              <lb/>
            eo recta linea B d C perpendicularis ad G d O, & </s>
            <s xml:id="echoid-s8855" xml:space="preserve">ſumpto quolibet alio puncto
              <lb/>
            b in recta linea B C in plano per B G O extenſo, centris d, & </s>
            <s xml:id="echoid-s8856" xml:space="preserve">b, deſcribãtur
              <lb/>
            duo circuli inter ſe æquales G C O B, & </s>
            <s xml:id="echoid-s8857" xml:space="preserve">S Q P L ſe ſe ſecantes in duobus punctis
              <lb/>
            R, a: </s>
            <s xml:id="echoid-s8858" xml:space="preserve">atq; </s>
            <s xml:id="echoid-s8859" xml:space="preserve">vt latus rectum ad tranſuerſum ſectionis datæ X, ita fiat quadratũ
              <lb/>
            G d ad quadratũ d A, & </s>
            <s xml:id="echoid-s8860" xml:space="preserve">ducatur recta linea A N M parallela ipſi B C, quæ ſecet
              <lb/>
            b N æquidiſtantẽ d A in N, & </s>
            <s xml:id="echoid-s8861" xml:space="preserve">coniungantur rectæ lineæ A B, A C, N L, N Q,
              <lb/>
            & </s>
            <s xml:id="echoid-s8862" xml:space="preserve">fiant A, & </s>
            <s xml:id="echoid-s8863" xml:space="preserve">N vertices duorũ conorũ A B C, N L Q, & </s>
            <s xml:id="echoid-s8864" xml:space="preserve">in eorũ ſuper ficiebus
              <lb/>
            planum M c T æquidiſtans planis A G O, & </s>
            <s xml:id="echoid-s8865" xml:space="preserve">N S P efficiat ſectiones H I K,
              <lb/>
            & </s>
            <s xml:id="echoid-s8866" xml:space="preserve">T V c, quarum diametri D V I genitæ à triangulis A B C, & </s>
            <s xml:id="echoid-s8867" xml:space="preserve">N L Q per
              <lb/>
            axes in eodem plano exiſbentibus ſunt æquidiſtantes axibus conorum A d, N b,
              <lb/>
            propter planorum æquidiſtantiam: </s>
            <s xml:id="echoid-s8868" xml:space="preserve">Dico, eas eſſe hyperbolas quæſitas. </s>
            <s xml:id="echoid-s8869" xml:space="preserve">Qnoniam
              <lb/>
            (propter æquidiſtantiam oppoſitarum linearum) eſt ſpatium A b parallelogram-
              <lb/>
            mum; </s>
            <s xml:id="echoid-s8870" xml:space="preserve">igitur conorum axes A d, N b æquales ſunt inter ſe, & </s>
            <s xml:id="echoid-s8871" xml:space="preserve">æquè inclinan-
              <lb/>
            tur ad communem rectam lineam B C Q (propter æquidiſtantiam earundem
              <lb/>
            A d, N b); </s>
            <s xml:id="echoid-s8872" xml:space="preserve">ſuntque æqualium circulorum radij d B, d C, b L, b Q æqua-
              <lb/>
            les inter ſe; </s>
            <s xml:id="echoid-s8873" xml:space="preserve">igitur triangula A B C, N L Q ſimilia ſunt inter ſe, & </s>
            <s xml:id="echoid-s8874" xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>