Salusbury, Thomas
,
Mathematical collections and translations (Tome I)
,
1667
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on the contrary reclines from its former poſition
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gr.
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47. and
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clineth towards the oppoſite part, ſo that to reſtore the ſame
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clination of the ſaid Pole A towards the Sun, it would be
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ſite by turning round the Terreſtrial Globe, according to the
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circumference A C B D, to tranſport it towards E thoſe ſame
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gr.
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47. and for ſo many degrees, any whatſoever fixed ſtar
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ſerved in the Meridian, would appear to be elevated, or inclined.
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>Let us come now to the explanation of that which remains, and
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let us conſider the Earth placed in the fourth Figure, that is,
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with its centre in the firſt point of Libra; upon which the Sun
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will appear in the beginning of Aries. </
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>And becauſe the Axis of
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the Earth, which in the firſt Figure is ſuppoſed to be inclined
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on the diameter Capricorn Cancer, and therefore to be in that
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ſame plane, which cutting the plane of the grand Orb,
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ding to the line Capricorn Cancer, was erected perpendicularly
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upon the ſame, tranſpoſed into the fourth Figure, and
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ned, as hath alwayes been ſaid, parallel to it ſelf, it ſhall come
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to be in a plane in like manner erected to the ſuperficies of
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the Grand Orbe, and parallel to the plane, which at right
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angles cuts the ſame ſuperficies, according to the diameter
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pricorn Cancer. </
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>And therefore the line which goeth from
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the centre of the Sunne to the centre of the Earth, that is,
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O Libra, ſhall be perpendicular to the Axis BA: but the
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ſame line which goeth from the centre of the Sunne to the
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centre of the Earth, is alſo alwayes perpendicular to the </
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