Salusbury, Thomas
,
Mathematical collections and translations (Tome I)
,
1667
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of the cauſe, but findeth no fault with the method of it; that
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is, denieth that there is any mutation to be ſeen in the altitude of
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the Pole, but doth not blame the inquiſition, for not being
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ted to the finding of what is ſought, he thereby ſheweth, that he
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alſo eſtecemed the Polar altitude varied, or not varied every ſix
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moneths, to be a good teſtimony to diſprove or inferre the annual
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motion of the Earth.</
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A ſtronomeys,
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perhaps, have not
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known what
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pearances ought to
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follow upon the
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nual motion of the
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Earth.
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Copernicus
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derſtood not ſome
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things for want of
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Inſtruments.
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Tycho
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and
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thers argue
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gainſt the annual
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motion, from the
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invariable
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tion of the Pole.
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* Chriſiophoius
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Rothmannus.</
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>SIMP. </
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>In truth,
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Salviatus,
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my opinion alſo tells me, that the
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ſame muſt neceſſarily enſue: for I do not think that you will
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ny me, but that if we walk only 60. miles towards the North,
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the Pole will riſe unto us a degree higher, and that if we move
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60. miles farther Northwards, the Pole will be elevated to us a
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degree more, &c. </
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>Now if the approaching or receding 60. miles
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onely, make ſo notable a change in the Polar altitudes, what
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alteration would follow, if the Earth and we with it, ſhould
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be tranſported, I will not ſay 60. miles, but 60. thouſand miles
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that way.</
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<
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>SALV. </
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>It would follow (if it ſhould proceed in the ſame
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proportion) that the Pole ſhall be elevated a thouſand degrees.
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>See,
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Simplicius,
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what a long rooted opinion can do. </
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>Yea, by
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reaſon you have fixed it in your mind for ſo many years, that it
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is Heaven, that revolveth in twenty four hours, and not the
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Earth, and that conſequently the Poles of that Revolution are in
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Heaven, and not in the Terreſtrial Globe, cannot now, in an
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hours time ſhake off this habituated conceipt, and take up the
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contrary, fancying to your ſelf, that the Earth is that which
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veth, only for ſo long time as may ſuffice to conceive of what
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would follow, thereupon ſhould that lye be a truth. </
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<
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>If the Earth
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Simplicius,
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be that which moveth in its ſelf in twenty four hours,
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in it are the Poles, in it is the Axis, in it is the Equinoctial, that
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is, the grand Circle, deſcribed by the point, equidiſtant from the
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Poles, in it are the inſinite Parallels bigger and leſſer deſcribed by
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the points of the ſuperficies more and leſſe diſtant from the Poles,
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in it are all theſe things, and not in the ſtarry Sphere, which, as
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being immoveable, wants them all, and can only by the
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tion be conceived to be therein, prolonging the Axis of the Earth
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ſo far, till that determining, it ſhall mark out two points placed
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right over our Poles, and the plane of the Equinoctial being
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tended, it ſhall deſcribe in Heaven a circle like it ſelf. </
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<
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>Now if the
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true Axis, the true Poles, the true Equinoctial, do not change
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in the Earth ſo long as you continue in the ſame place of the
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Earth, and though the Earth be tranſported, as you do pleaſe,
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yet you ſhall not change your habitude either to the Poles, or to
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the circles, or to any other Earthly thing; and this becauſe, that
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that tranſpoſition being common to you and to all Terreſtrial </
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