Salusbury, Thomas
,
Mathematical collections and translations (Tome I)
,
1667
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even, to wit, the ſurfaces of very vaſt Seas, which being alſo far
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remote from the continuate ledges of Mountains which environ
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it, ſeem to have no faculty of carrying the ſuper-ambient Air
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along therewith: and not carrying it about, we may perceive what
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will of conſequence enſue in thoſe places.</
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The revolution of
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the Earth
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firmed by a new
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argument taken
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from the Air.
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<
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>SIMP. </
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>I was about to propoſe the very ſame difficulty, which
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I think is of great validity.</
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<
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>SALV. </
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<
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>You ſay very well
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Simplicius,
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for from the not finding
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in the Air that which of conſequence would follow, did this our
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Globe move round; you argue its immoveableneſſe. </
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>But in caſe
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that this which you think ought of neceſſary conſequence to be
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found, be indeed by experience proved to be ſo; will you accept
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it for a ſufficient teſtimony and an argument for the mobility of
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the ſaid Globe?</
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<
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>SIMP. </
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>In this caſe it is not requiſite to argue with me alone,
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for if it ſhould ſo fall out, and that I could not comprehend the
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cauſe thereof, yet haply it might be known by others.</
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>SALV. </
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>So that by playing with you, a man ſhall never get, but
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be alwayes on the loſing hand; and therefore it would be better
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to give over: Nevertheleſs, that we may not cheat our third man
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we will play on. </
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>We ſaid even now, and with ſome addition we
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reitterate it, that the Ayr as if it were a thin and fluid body, and
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not ſolidly conjoyned with the Earth, ſeem'd not to be
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tated to obey its motion; unleſſe ſo far as the craggineſs of the
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terreſtrial ſuperficies, tranſports and carries with it a part
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of contigious thereunto; which doth not by any great ſpace
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ceed the greateſt altitude of Mountains: the which portion of Air
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ought to be ſo much leſs repugnant to the terreſtrial converſion,
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by how much it is repleat with vapours, fumes, and exhalations,
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matters all participating of terrene qualities, and conſequently
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apt of their own nature to the ſame motions. </
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<
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>But where there are
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wanting the cauſes of motion, that is, where the ſurface of the
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Globe hath great levels, and where there is leſs mixture of the
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terrene vapours, there the cauſe whereby the ambient Air is
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ſtrained to give entire obedience to the terreſtrial converſion will
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ceaſe in part; ſo that in ſuch places, whilſt the Earth revolveth
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wards the Eaſt, there will be continually a wind perceived which
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will beat upon us, blowing from the Eaſt towards the Weſt:
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and ſuch gales will be the more ſenſible, where the revolution of
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the Globe is moſt ſwift; which will be in places more remote from
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the Poles, and approaching to the greateſt Circle of the diurnal
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converſion. </
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<
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>But now
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de facto
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experience much confi meth this
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Phyloſophical argumentation; for in the ſpatious Seas, and in their
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parts moſt remote from Land, and ſituate under the Torrid Zone,
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that is bounded by the Tropicks, where there are none of thoſe </
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