Fabri, Honoré
,
Dialogi physici in quibus de motu terrae disputatur
,
1665
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cum ABD, vt AY ad AD, ſunt enim figuræ analogæ vel homoge
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neæ, vt vocare ſoleo; item quadrans ABD eſt ad quadrantem AGD, vt
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AY ad AD; igitur figura YDB eſt ad figuram BGD, vt AY ad AD, ſunt
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que duæ iſtæ figuræ homogeneæ; igitur vt YD ad GB, ita EO ad CI,
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ita HO ad CF, ita K a ad ab; ſed YD, BG ſunt æquales, igitur OE
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& IC æquales, item OH & CF, item a K & ab, igitur tantum creſ
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cit aqua vi preſſionis à B in I, quantum ab H ad Y, vel ab E in D ; igitur
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ſub initium & finem creſcit aqua modicis incrementis, iiſque reciprocè
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æqualibus hinc inde, aſſumptis ſcilicet angulis æqualibus; majori
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bus verò ſub medium; en tibi germanam & facilem tui quæſiti ra
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tionem, quæ dubito, an æquè facilè in qualibet alia hypotheſi afferri
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poſſit. </
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Auguſtin.
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<
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"> Quid dici queat, quod in rem hanc meliùs quadret, certè non
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video; ſed cur in Æquinoctiis æſtus major eſt? </
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Antim.
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<
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"> Iam ſupra ea ſuper hoc expoſui, quæ tibi facerent ſatis, ſi for
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tè in memoriam revocares; nempe, vt jam indicavi, ſi Autores illos
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conſulamus, qui de hoc argumento ſcripſerunt, nihil ferè niſi repugnan
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tia inter ſe inveniemus; nimirum aliqui ſcripſerunt, æſtum maximum eſſe
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in Solſtitiis, minimum verò in Æquinoctiis, alij contra maximum in
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Æquinoctiis, minimum in Solſtitiis; alij majorem in Æquinoctio ver
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no; alij majorem in autumnali; alij majorem in Solſtitio Brumali, mi
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norem in Æſtivo; alij majorem in æſtivo, minorem in Brumali nihil af
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fingo; Auguſtine, hæc adeò repugnantia apud Autores invenies. </
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<
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ſtitiis nihil certi, cùm etiam in hoc Autores varient, non dubito tamen,
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quin, id quod eſt, in noſtram notitiam venire poſſit, fidelis obſervatio
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nis opera, in eodem ſcilicet loco; nempe pro diverſis locis, diverſa ra
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tio eſt, cùm diverſa ſit preſſio; ſed pro eodem loco facilè obſervari po
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teſt in vtroque Solſtitio æſtus aſſurgentis menſura, tum diurni, tum no
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cturni; cùm multum inter vtrumque diſcrimen eſſe poſſit; nulla autem re
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gula certa ſtatui poteſt, propter diverſam preſſionis rationem, ob ſuperfi
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ciem globi variis, ſine lege & ordine, maris & continentis tractibus di
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ſtinctam. </
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<
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">Quod pertinet ad Æquinoctia; hoc vnum certò conſtat, maxi
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mum in iis cieri æſtum, Luna ſcilicet plena aut nova, ſaltem in noſtro
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Oceano, intra Europam; rationem hic globus tibi ſuggeret, in quo
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vides, Luna exiſtente in Æquatore arcus preſſionum eſſe majores; vbi
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verò Luna declinat versùs Boream, in quo tractu, Europa noſtra ſita eſt,
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vides, ni fallor, quantam prædictorum arcuum aream circulus maximæ
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preſſionis reſcindat, traducátque ad oppoſitum hemiſphærium, exiſten
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te Luna infra horizontem ad Meridianum; qua ſita ſupra horizontem, de
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meridie ſcilicet Luna nova, de media nocte, in Plenilunio vides quan
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tam maxima pars Americæ inutilem reddat: vbi porro Luna declinat in
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Auſtrum, eadem prorſus ratio militat; poſita enim Luna in Tropico
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Capricorni, in Novilunio de meridie idem eſt circulus maximæ preſſio
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nis, qui erat de media nocte dum Luna nova eſſet in Tropico Can
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cri; in Plenilunio verò, de meridie, idem eſt circulus maximæ </
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