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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IO. BAPT. BENED.
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deſcendere, ſed recta orizontaliter, vt ita dicam, moueri. </
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<
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xml:space
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">Id quod à nemine ad-
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huc (quod ſciam) in trocho eſt obſeruatum. </
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<
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xml:space
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">Ab huiuſmodi motu trochi, aut hu-
<
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ius generis corporis, clarè perſpicitur, quàm errent peripatetici circa motum uio-
<
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lentum alicuius corporis, qui exiſtimant aerem qui ſubintrat ad occupandum locum
<
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à corpore relictum, ipſum corpus impellere, cum ab hoc, magis effectus contrarius
<
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naſcatur.</
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<
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<
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xml:id
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xml:space
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">Quod deinde ampullæ iungantur in aqua, non fit ratione ſimpathiæ, de qua lo-
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quitur Fracaſtorus, nam per accidens iunguntur, quia cum alia ad aliam accedit, quę
<
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libet earum tentat aſcendere ab ea parte, à qua inuicem hærent, quemadmodum
<
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efficiunt iuxta labrum vaſis, ea enim ſuperficies a quæ vicina circunferentiæ vaſis ali
<
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quantulum aſcendit in vaſe, qui non eſt omnino plenus.</
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<
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<
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">Ad id deinde quod de claritate noctium ſcribis, miror cur non videas, quod
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to magis obſcura nox apparet, non dico ratione nubium, ſed diſtantiæ Solis ſub
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orizonte ab eodem orizonte, tanto magis claram, & luminoſam ſeſe nobis oſten-
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dit Luna in quintadecima, quia cum Sol eſt in Sagittario, & Capricorno, Luna eſt
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in Geminis, & in Cancro, vnde in media nocte, eius radius per valde exiguam
<
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type
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titatem vaporum tranſit, quia tunc ipſa eſt valde propinqua axi orizontis, & præ-
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terea in huiuſmodi tempore anni & noctis, aer eſt magis purgatus, quàm in qualibet
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alia temporis parte, quia hieme Sol non poteſt excitare multos vapores, & ij, qui
<
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at tolluntur, nocte à frigore ſtatim congellati ratione grauitatis
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, </
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net aer multo clarior, qua ratione apparent ſtellæ minutæ, & Cœlum ijſdem ma-
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gis ornatum, quàm in quolibet alio anni tempore.</
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<
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xml:space
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">Dicere deinde, quemadmodum hic mundus eſt ætatis ſeptem, aut octomillium
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annorum, ita nunc potuiſſet eſſe (ſi Deus voluiſſet) ætatis quinquagintamillium; </
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go erat tempus; </
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<
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xml:space
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">ita ſe habet, ac ſi diceremus, quemadmodum hic mundus eſt tan-
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tæ magnitudinis, ita etiam quinquagies maior eſſe potuiſſet, ergo eſt ſpatium, aut
<
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interuallum corporeum, quod eum capere potuiſſet.</
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<
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<
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xml:space
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">Illud, nihil, Ariſtotelis extra Cęlum, nullo modo nobis inſeruit pro eiuſdem Cœ
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li ſphęrica rotunditate, cum cuiuſque alterius ex infinitis figuris Cęlum ipſum eſſe
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poſſit, ſecundum ſuam ſuperficiem conuexam. </
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<
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xml:space
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">Nam Cœlum ea ratione ſphęricum
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non eſt, quod magis ſit capax, quia ei innumerahiles alias figuras adeo magnas po
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terat concedere cauſa diuina: </
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xml:space
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">ſed ſphæricum eſt effectum, ne partem aliquam habe
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ret ſui termini ſuperfluam, quia nullum corpus à breuiori termino quam à ſphærico
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terminari poteſt.</
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<
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style
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xml:space
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">Derèuolutione rota putealis &
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problematibus.</
head
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<
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xml:space
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">FVnis cui appenſa eſt ſitula, longè facilius axi inuoluitur, ſi ipſi axi affixa ſit rota.
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<
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">atque item commodius eò fiet, quo amplior rota erit, & axis exilior.
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xml:space
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">Commodiſſimè autem, ſi ipſa rotæ extrema circunferentia, ex materia minori,
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& denſiori, ac proinde grauiori conſtabit. </
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<
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xml:space
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">Cuius rei ratio multiplex eſt. </
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<
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pe quia omne corpus graue, aut ſui natura, aut vi motum, in ſe recipit impreſſio- </
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