Salusbury, Thomas
,
Mathematical collections and translations (Tome I)
,
1667
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1 - 30
31 - 60
61 - 90
91 - 120
121 - 150
151 - 180
181 - 210
211 - 240
241 - 270
271 - 300
301 - 330
331 - 360
361 - 390
391 - 420
421 - 450
451 - 480
481 - 510
511 - 540
541 - 570
571 - 600
601 - 630
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691 - 701
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gr.
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m.
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gr.
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m.
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<
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Reinhold.
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<
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>Polar altit.</
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<
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>51</
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<
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>18</
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<
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>Altit. of the Star</
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>79</
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>30</
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Hainzel.
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<
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>48</
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<
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>22</
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<
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>36</
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<
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>34</
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<
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<
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>2</
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<
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>56</
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<
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>2</
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<
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>56</
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gr.
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m.
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gr.
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m.
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<
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<
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<
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Camerar.
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<
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>Polar altit.</
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<
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>52</
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<
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>24</
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<
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>Altit. of the Star</
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<
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>24</
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<
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>17</
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<
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Hagecius
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<
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<
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>48</
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<
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>22</
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<
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<
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>20</
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<
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>15</
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<
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<
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>4</
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<
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<
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>Of the remaining combinations that might be made of the
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ſervations of all theſe Aſtronomers, thoſe that make the Stars
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lime to an infinite diſtance, are many in number, namely, about
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30. more than thoſe who give the Star, by calculation, to be
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low the Moon; and becauſe (as it was agreed npon between us) it
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is to be believed that the Obſervators have erred rather little than
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much, it is a manifeſt thing that the corrections to be applied to
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the Obſervaations, which make the ſtar of an infinite altitude, to
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reduce it lower, do ſooner, and with leſſer amendment place it in
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the Firmament, than beneath the Moon; ſo that all theſe applaud
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the opinion of thoſe who put it amongſt the fixed Stars. </
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<
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>You may
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adde, that the corrections required for thoſe emendations, are
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much leſſer than thoſe, by which the Star from an unlikely
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mity may be removed to the height more favourable for this
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thour, as by the foregoing examples hath been ſeen; amongſt
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which impoſſible proximities, there are three that ſeem to remove
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the Star from the Earths centre, a leſſe diſtance than one
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ameter, making it, as it were, to turn round under ground, and
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theſe are thoſe combinations, wherein the Polar altitude of one
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of the Obſervators being greater than the Polar altitude of the
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other, the elevation of the Star taken by the firſt, is leſſer than the
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elation of the Star taken by the latter.</
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<
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<
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>The firſt of theſe is this of the
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Landgrave
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with
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Gemma,
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where the Polar altitude of the
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Landgrave 51 gr. </
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<
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>18 min.
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is
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greater than the Polar altitude of
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type
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Gemma,
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which is 50
<
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type
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gr. </
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<
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>50 m.
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But the altitude of the Star of the
<
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Landgrave 79 gr. </
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<
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>30 min.
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is leſſer than that of the Star, of
<
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Gemma 79 gr. </
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<
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>45 min.
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