Salusbury, Thomas
,
Mathematical collections and translations (Tome I)
,
1667
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vations by the addition or ſubſtraction of two or three minutes, and
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with that amendment to reduce it to poſſibility, a man ought
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not to eſſay to adjuſt it by the addition or ſubſtraction of fifteen,
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twenty, or fifty.</
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>SIMP. </
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>I think the Authour would not deny this: for granting
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that they are expert and judicious men, it ought to be thought that
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they did rather erre little than much.</
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>SALV. </
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>Obſerve again; The places where the new Star is
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ced, are ſome of them manifeſtly impoſſible, and others poſſible.
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<
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>Abſolutely impoſſible it is, that it ſhould be an infinite ſpace
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riour to the fixed Stars, for there is no ſuch place in the world;
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and if there were, the Star there ſcituate would have been
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ceptible to us: it is alſo impoſſible that it ſhould go creeping along
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the ſuperficies of the Earth; and much leſſe that it ſhould be
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within the ſaid Terreſtrial Globe. </
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>Places poſſible are theſe that
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be in controverſie, it not interferring with our underſtanding, that
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a viſible object in the likeneſſe of a Star might be aſwell above the
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Moon, as below it. </
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>Now whilſt one goeth about to compute by
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the way of Obſervations and Calculations made with the utmoſt
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certainty that humane diligence can attain unto what its place was,
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it is found that the greateſt part of thoſe Calculations make it
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more than infinitely ſuperiour to the Firmament, others make it
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very neer to the ſurface of the Earth, and ſome alſo under the
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ſame; and of the reſt, which place it in ſituations not impoſſible,
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none of them agree with each other; inſomuch that it muſt be
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confeſſed, that all thoſe obſervations are neceſſarily falſe; ſo that
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if we would nevertheleſs collect ſome fruit from ſo many laborious
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calculations, we muſt have recourſe to the corrections, amending
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all the obſervations.</
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>SIMP. </
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>But the Authour will ſay, that of the obſervations that
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aſſign to the Star impoſſible places, there ought no account to be
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made, as being extreamly erroneous and falſe; and thoſe onely
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ought to be accepted, that conſtitute it in places not impoſſible:
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and amongſt theſe a man ought to ſeek, by help of the moſt
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bable, and moſt numerous concurrences, not if the particular and
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exact ſituation, that is, its true diſtance from the centre of the
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Earth, at leaſt, whether it was amongſt the Elements, or elſe
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mongſt the Cœleſtial bodies.</
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<
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>SALV. </
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>The diſcourſe which you now make, is the ſelf ſame
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that the Author made, in favour of his cauſe, but with too
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ſonable a diſadvantage to his adverſaries; and this is that
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pal point that hath made me exceſſively to wonder at the too great
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confidence that he expreſſed to have, no leſs of his own authority,
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than of the blindneſs and inadvertency of the Aſtronomers; in
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favour of whom I will ſpeak, and you ſhall anſwer for the Author. </
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