Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 1: Opera mechanica
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DE CENTRO OSCILL. CONTROVERSIA.
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ſervavi, quum in lucem ederem leges ejusmodi motuum in
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diariò Pariſienſi 1669 menſis Februarii, ita ut minime pro lege
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naturæ habendum ſit, eandem motus quantitatem ſemper con-
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ſervari, niſi alicui impendatur & </
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ſtans lex eſt, corpora ſervare vim ſuam adſcendentem, & </
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co ſummam quadratorum velocitatum illorum ſemper manere
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eandem; </
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">Hoc autem non ſolum obtinet in ponderibus pen-
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dulorum, & </
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">percuſſione corporum durorum, ut ibidem ob-
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ſervavi, ſed in multis quoque aliis mechanicis experimentis.</
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">Demonſtraveram admittendo principium Abbatis Catelani,
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vim aſcendentem ponderum penduli augeri, & </
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">ita commune
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eorum gravitatis centrum altius poſſe reverti quam unde de-
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ſcenderat, unde inferebam, hoc poſito inventum fore perpetu-
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um mobile. </
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. </
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">Bernoulli non concedit hanc conſequentiam
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ob aëris obſtaculum, & </
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">quædam alia, quæ effectum impedi-
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rent: </
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">ſed conſiderare debuiſſet, cum altitudo illa major,
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quam acquirit centrum gravitatis, ſemper determinata ſit quan-
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titas, & </
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">effectus obſtaculorum non ſit determinatus, imo mi-
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nui magis magisque poſſit, facile conſtrui poſſe machinam,
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in qua commodum ex elevatione centri gravitatis deriva-
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tum, præponderaret impedimento obſtaculorum; </
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i
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d experiri neceſſe erit nunquam.</
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