Benedetti, Giovanni Battista de
,
Io. Baptistae Benedicti ... Diversarvm specvlationvm mathematicarum, et physicarum liber : quarum seriem sequens pagina indicabit ; [annotated and critiqued by Guidobaldo Del Monte]
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EPISTOL AE.
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245
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0245
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<
s
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xml:space
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">Debebat igitur author animaduerſionum non quaſi cæcus eæcos ſequi, ſed prius
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laborare, vt certior fieret, an interuallum annorum .960. </
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<
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xml:space
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<
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xml:space
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">Sed peius eſt,
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idem author paulo inferius citat coniunctiones horum duorum
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planetarum anni .1493. et .1512. quas neſcio vnde ſumpſerit.</
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<
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xml:space
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">Nam, etſi inter hos annos eſt interuallum annorum .19. tamen tantum abeſt, vt
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coiuerint dictis annis, vt Saturnus anno .1493. ante finem Auguſti fuerit in .28. gra-
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du Aquarij, Iupiter verò in .28. Leonis ex diametro oppoſiti. </
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<
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xml:space
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">Et anno .1512. per to
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tum menſem Iunium & Auguſtum, Saturnus fuerit in Libra, Iupiter verò in Ariete,
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itaque inter ſe ſimiliter oppoſiti, & ſi perfecta oppoſitio non fuit poſtea niſi ad
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Iunij ann .1513. & locus Monteregij ab eo citatus, vbi ait eum ponere coniunctio-
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nem anni .1484. in gra .23. min .4. </
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nit dictam coniunctionem in mi .42. gra .24. non autem in min .4. ipſius gradus. </
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<
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hic error nullius eſt momenti, fortaſſe qui impræſſorum incuria irrepſit.</
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<
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xml:space
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">Pergatur poſtea obſecro ad paginam .3. ipſarum Animaduerſionum, vbi hic co-
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natur oſtendere calculatores non obſeruaſſe verum modum, ſic dicens.</
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<
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">Anno .1484. Nouembris .25. Saturno locum conſtituit Monteregius in grad .23.
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min .4. Scorpij. </
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xml:space
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">Anno poſtmodum ſubſequenti qui eſt .1485. eundem in min .7. Sa-
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gitarij collocat .21. Februarij die. </
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tempora duo interſunt menſes dies .26.
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<
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xml:space
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ſcendere</
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, ſit tamen inter
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tempus differentia graduum .7. minutorum .3. quæ
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ratione ſui motus requirunt menſes .6. vt eos perficiat, conſtat pluſquam tribus men
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ſibus fallere nos Saturnum.</
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<
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">Hic videre licet quam veram viam hic ſecutus ſit ad aperiendos errores Epheme
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ridum, & miſeri Monteregij, qui Saturnum claudum facit tantum itineris conficere
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tribus
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,
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vix confeciſſet
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. ſex. </
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hoc modo.</
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<
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">Si motus naturalis Saturni facit vt circumeat totum cęlum annis .30. igitur menſi-
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bus .30. conficiet duodecimam partem circuitus, cum menſes .30. ſint duodecima
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pars annorum .30. & quia duodecima pars circuitus cęli intelligitur conſtare ex .30.
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gradibus, igitur quilibet menſis poſtulabit gradum vnum. </
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<
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">Ideo illi .6. aut .7. gradus
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poſtulant tempus, amplius menſium ſex.</
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<
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">Atque eiuſmodi mira ratiocinatio poteſt in .2. exemplo eius, inſcripto.</
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Monteregius faciat Saturnum ambulare gra .9. min .10. in menſi-
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bus .7. & diebus .6. </
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<
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iudicio.</
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<
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<
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xml:space
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">Sed ſi hoc miratur, quid dicturus fuiſſet, ſi animaduertiſſet, quod idem calculator
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Monteregius facit Saturnum ambulare immo volare gra .9. min .48. non in 7. ſed in
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2. menſibus cum dimidio, videlicet à .10. die Iunij vſque ad .26. Auguſti
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an-
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ni .1504.</
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<
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à .10. die Iunij ſupradicti vſque ad .16. Ianuarij
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anni ſequentis, faciunt Saturnum, ſurſum, deorſum curſitare amplius gra .17. mi .54.
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Imino ſi animaduertiſſet, quod anno .1524. </
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<
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ad
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medium Maium, ideſt menſib .4. cum dimidio, facit Saturnum ambulare gra .15. </
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<
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fectò ob has velocitates, eius iudicio, tam abſurdas, obſtupuiſſet.</
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<
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xml:space
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">Vbi autem in tergo eiuſdem paginę ait, quod gradibus .13. min .42. reſpondent
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menſes .19. errauit in calculo, nam ex eiuſmodi tempore ſecundum eius regulam ef- </
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