Salusbury, Thomas
,
Mathematical collections and translations (Tome I)
,
1667
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point N, and in any other except thoſe two A and B, the ſaid
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ſtar ſhall no longer be obſerved in the line A B; but in others.
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<
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>So that, if the appearing under ſeveral lines ought to cauſe
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apparent mutations, ſome difference muſt needs appear in
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this caſe. </
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>Nay more, I will ſpeak it with that Philoſophical
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freedom, which ought to be allowed amongſt Philoſophick
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friends, methinks that you, contradicting your ſelf, deny that
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now, which but even now to our admiration, you proved to be
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really true, and conſiderable; I mean that which happeneth in
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the Planets, and particularly in the three ſuperiour ones, that
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being conſtantly in the Ecliptick, or very near unto it, do not
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onely ſhew themſelves one while near unto us, and another
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while remote, but ſo deformed in their regular motions, that
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they ſeem ſometimes immoveable, and ſometimes many
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grees retrograde; and all upon no other occaſion than the
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nual motion of the Earth.</
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Objections againſt
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the Earths annual
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motion taken from
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the fixed stars
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placed in the
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cliptick.
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>SALV. </
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>Though by a thouſand accidents I have been
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fore aſſured of the wittineſſe of
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Sagredus,
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yet I had a deſire by
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this one experiment more to aſcertain me of what I may expect
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from his ingenuity, and all this for my own intereſt, for in caſe
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my Propoſitions ſtand but proof againſt the hammer and
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nace of his judgment, I ſhall be confident that they will abide
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the ^{*} teſt of all Touch-ſtones. </
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>I ſay therefore that I had
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poſely diſſembled this objection, but yet not with any intent to
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deceive you, and to put any falſhood upon you, as it might
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have happened if the objection by me diſguiſed, and by you
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ver-lookt, had been the ſame in effect as it ſeemed to be in
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pearance, that is, really valid and concluſive; but it is not ſo;
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nay I rather ſuſpect that to try me, you make as if you did not
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ſee its nullity. </
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>But I will herein be too hard for you, and force
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from your tongue, that which you would ſo artificially conceal;
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and therefore tell me, what that thing ſhould be, whereby you
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come to know the ſtation and retrogradation of the Planets,
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which is derived from the annual motion, aud which is ſo great,
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that at leaſt ſome foot-ſteps of ſuch an effect ought to appear in
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the ſtars of the Ecliptick?</
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* Or will prove
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of good alloy.</
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<
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>SAGR. </
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>This demand of yours containeth two queſtions, to
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which it is neceſſary that I make reply; the firſt relates to the
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imputation which you lay upon me of a Diſſembler; the other
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concerneth that which may appear in the ſtars,
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&c.
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As to the
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firſt, I will ſay with your permiſſion, that it is not true, that I
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have diſſembled my knowing the nullity of that objection; and
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to aſſure you of the ſame, I now tell you that I very well
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ſtand the nullity thereof.</
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<
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>SALV. </
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<
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>But yet I do not underſtand how it can be, that you </
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