Salusbury, Thomas
,
Mathematical collections and translations (Tome I)
,
1667
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diſſenteth from the doctrine of
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Ariſtotle
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and
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Ptolomy.
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As again,
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to this third motion, which the Author aſſignes to the Terreſtrial
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Globe, as the judgment of
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Copernicus,
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I know not which he would
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mean thereby: it is not that queſtionleſſe, which
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Copernicus
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cribes unto it conjunctly with the other two, annual and diurnal,
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which hath nothing to do with declining towards the South and
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North; but onely ſerveth to keep the axis of the diurnal
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on continually parallel to it ſelf; ſo that it muſt be confeſt, that
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either the Authour did not underſtand this, or that elſe he
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bled it. </
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>But although this great miſtake ſufficeth to free us from
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any obligation of a farther enquiry into his objections; yet
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vertheleſſe I ſhall have them in eſteem; as indeed they deſerve to
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be valued much before the many others of impertinent
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niſts. </
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<
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>Returning therefore to his objection, I ſay, that the two
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motions, annual and diurnal, are not in the leaſt contrary, nay are
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towards the ſame way, and therefore may depend on one and the
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ſame principle. </
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>The third is of it ſelf, and voluntarily ſo
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tial to the annual, that we need not trouble our ſelves (as I ſhall
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ſhew in its place) to ſtudy for principles either internal or external,
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from which, as from its cauſe, to make it produced.</
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By another
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error it is ſeen that
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the Antagoniſt had
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but little ſtudied
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Copernicus.</
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It is queſtioned,
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whether the
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nent underſtood
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the third motion
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aſſigned to the
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Earth by
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cus.</
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>SAGR. </
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>I ſhall alſo, as being induced thereto by natural reaſon,
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ſay ſomething to this Antagoniſt. </
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>He will condemn
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Copernicus,
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unleſſe I be able to anſwer him to all objections, and to ſatisfie
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him in all queſtions he ſhall ask; as if my ignorance were a
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ſary argument of the falſhood of his Doctrine. </
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>But if this way of
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condemning Writers be in his judgment legal, he ought not to
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think it unreaſonable, if I ſhould not approve of
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Arîſtotle
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and
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lomy,
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when he cannot reſolve, better than my ſelf, thoſe doubts
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which I propound to him, touching their Doctrine. </
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>He asketh me,
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what are the principles by which the Terreſtrial Globe is moved
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with the Annual motion through the Zodiack, and with the
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nal through the Equinoctial about its own axis. </
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>I anſwer, that
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they are like to thoſe by which
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Saturn
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is moved about the
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ack in thirty years, and about its own centre in a much ſhorter
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time along the Equinoctial, as the collateral apparition and
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cultation of its Globes doth evince. </
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>They are principles like to
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thoſe, whereby he ſcrupleth not to grant, that the Sun runneth
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row the Ecliptick in a year, and revolveth about its own centre
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parallel to the Equinoctial in leſſe than a moneth, as its ſpots doth
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ſenſibly demonſtrate. </
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<
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>They are things like to thoſe whereby the
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Medicean Stars run through the Zodiack in twelve years, and
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all the while revolve in ſmall circles, and ſhort periods of time
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bout
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Jupiter.
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The ſame
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ment anſwered by
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examples of the
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like motions in
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ther cœleſtial
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dies.
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<
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>SIMP. </
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>This Author will deny all theſe things, as deluſions of
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the fight, cauſed by the cryſtals of the
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Teleſcope.
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