Gassendi, Pierre
,
De proportione qua gravia decidentia accelerantur
,
1646
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quatuor horarum spatio proximè reuolui ſupponatur; neceſſe
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eſt, vt quæ partes hoc momento celeriùs, tardiuſve moueri inci
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piunt, iterùm poſt horas viginti quatuor ſimili celeritate, aut
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tarditate moueantur, vt manifeſtum eſt. </
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<
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id
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uerſitas motus cauſſa eſſet quotidianorum æſtuum, deberent
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præcisè poſt horas viginti quatuor recurrere, cùm vnâ ferè
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horâ quotidie tardiùs recurrant. </
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<
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id
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">Quò fit, vt ſingulis men
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ſibus tunc mare maximè quieſcat, cùm habita ratione motus
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Telluris ſummè feruere deberet; & contrà, tum vehementer
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ferueat, cùm illud paccatè quieſcere oporteret.
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<
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id
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"> Verùm vno
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verbo inſinuatum eſt in Epiſtolis naturam aquæ flui
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dam obſtare, ne aqua circumferatur tam facilè, ac reli
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qui globi compacta natura. </
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">Quippe cùm motus re
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liqui globi non exquiſitè obfecundet (ſcilicet, ſi ob
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ſecundaret, nullus æſtus exſiſteret) ideò neceſſe eſt
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eius motum fieri non-nihil retardatiorem, & menſurâ
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quidem tarditatis acceptâ ex portione motus Lunæ
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menſtrui addita diurno Telluris, quatenus ab ipſo de
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pendet, imò idem reipsâ eſt. </
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<
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">Quia enim, vt Sol ſibi ipſi
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intra dies proximè viginti ſeptem circumductus Ter
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ram vnà circumvehit, ſed ſegniùs tamen inſequentem,
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& non-niſiintra annum abſoluentem circuitum, pro
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pter diffuſiores, paucioreſque radios, qui cùm in Ve
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nere, & Mercurio confertiores ſint, circuitus in ipſis
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faciunt celeriores: ſic Terra ſibi circumducta intra ho
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ras viginti quatuor, Lunam circum ſe abripit, ſed ſe
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gniùs tamen obſequentem, & non-niſi intra menſem,
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abſoluentem circuitum, qui abſolueretur haud-dubiè
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celeriùs, ſi confertiores radios exceptura, circum ferretur
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propiùs: Ideò, vt motus Terræ annuus eſt veluti com-</
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