Salusbury, Thomas
,
Mathematical collections and translations (Tome I)
,
1667
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Eaſt to Weſt? </
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>And the annual motion of the Sun through the
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Ecliptick, is it not on the contrary from Weſt to Eaſt? </
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<
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then can you make theſe motions being conferred on the Earth, of
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contraries to become conſiſtents?</
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<
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>SAGR. Certainly,
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Simplicius
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hath diſcovered to us the original
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cauſe of error of this Philoſopher; and in all probability he
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would have ſaid the very ſame.</
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<
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>SALV. </
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<
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>Now if it be in our power, let us at leaſt recover
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Simplicius
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from this errour, who ſeeing the Stars in their riſing
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to appear above the Oriental Horizon, will make it no difficult
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thing to underſtand, that in caſe that motion ſhould not belong </
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to the Stars, it would be neceſſary to confeſſe, that the Horizon,
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with a contrary motion would go down; and that conſequently
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the Earth would reoolve in it ſelf a contrary way to that
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with the Stars ſeem to move, that is from Weſt to Eaſt, which
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is according to the order of the Signes of the Zodiack. </
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<
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>As, in the
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next place, to the other motion, the Sun being fixed in the
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tre of the Zodiack, and the Earth moveable about its
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rence, to make the Sun ſeem unto us to move about the ſaid
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diack, according to the order of the Signes, it is neceſſary, that
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the E arth move according to the ſame order, to the end that the
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Sun may ſeem to us to poſſeſſe alwayes that degree in the Zodiack,
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that is oppoſite to the degree in which we find the Earth; and thus
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the Earth running,
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verbi gratia,
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through
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Aries,
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the Sun will
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appear to run thorow
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Libra
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; and the Earth paſſing thorow the
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ſigne
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Taurus,
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the Sun will paſſe thorow
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Scorpio,
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and ſo the
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Earth going thorow
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Gemini,
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the Sun ſeemeth to go thorow
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gittarius
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; but this is moving both the ſame way, that is
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ing to the order of the ſignes; as alſo was the revolution of the
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Earth about its own centre.</
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The error of the
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Antagoniſt is
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nifeſt, by
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ring that the
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nual and diurnal
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motions belonging
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to the Earth are
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both one way, and
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not contrary.
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<
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>SIMP. </
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>I underſtand you very well, and know not what to
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ledge in excuſe of ſo groſſe an error.</
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<
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>SALV. </
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<
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>And yet,
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Simplicius,
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there is one yet worſe then this; and
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it is, that he makes the Earth move by the diurnal motion about
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its own centre from Eaſt to Weſt; and perceives not that if this
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were ſo, the motion of twenty four hours appropriated by him
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to the Univerſe, would, in our ſeeming, proceed from Weſt to
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Eaſt; the quite contrary to that which we behold.</
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<
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>SIMP. </
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>Oh ſtrange! Why I, that have ſcarce ſeen the firſt
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elements of the Sphere, would not, I am confident, have erred
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ſo horribly.</
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<
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>SALV. </
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<
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>Judg now what pains this Antagoniſt may be thought
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to have taken in the Books of
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Copernicus,
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if he abſolutely invert
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the ſenſe of this grand and principal Hypotheſis, upon which is
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founded the whole ſumme of thoſe things wherein
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Copernicus
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