Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667

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              <s>
                <pb xlink:href="040/01/305.jpg" pagenum="285"/>
              tical point in which the Star is, from the Meridian; Moreover,
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              after a conſiderable interval of time, the operation muſt be
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              peated, and exact account kept of the time that paſſed, truſting
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              either to Dials, or to other obſervations of the Stars. </s>
              <s>Such an
                <emph type="italics"/>
              Olio
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              of Obſervations doth he ſet before you, comparing them with
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              ſuch another made by another obſerver in another place with
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              nother different inſtrument, and at another time; and from this
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              the Authour ſeeks to collect what would have been, the Elevations
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              of the Star, and Horizontal Latitudes happened in the time and
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              hour of the other firſt obſervations, and upon ſuch a coæquation he
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              in the end grounds his account. </s>
              <s>Now I refer it to you, what credit
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              is to be given to that which is deduced from ſuch like workings.
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              </s>
              <s>Moreover, I doubt not in the leaſt, but that if any one would
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              ture himſelf with ſuch tedious computations, he would find, as in
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              thoſe aforegoing, that there were more that would favour the
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              verſe party, than the Authour: But I think it not worth the while
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              to take ſo much pains in a thing, which is not, amongſt thoſe
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              ry ones, by us underſtood.</s>
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              <s>SAGR. </s>
              <s>I am of your Opinion in this particular: But this
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              neſſe being environed with ſo many intricacies, uncertainties, and
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              errours, upon what confidence have ſo many Aſtronomers
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              ly pronounced the new Star to have been ſo high?</s>
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            <p type="main">
              <s>SALV. </s>
              <s>Upon two ſorts of obſervations moſt plain, moſt eaſie,
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              and moſt certain; one only of which is more than ſufficient to aſſure
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              us, that it was ſcituate in the Firmament, or at leaſt by a great
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              diſtance ſuperiour to the Moon. </s>
              <s>One of which is taken from the
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              equality, or little differing inequality of its diſtances from the
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              Pole, aſwell whilſt it was in the loweſt part of the Meridian, as
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              when it was in the uppermoſt: The other is its having
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              ly kept the ſame diſtances from certain of the fixed Stars, adjacent
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              to it, and particularly from the eleventh of
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              Caſſiopea,
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              no more
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              remote from it than one degree and an half; from which two
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              ticulars is undoubtedly inferred, either the abſolute want of
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              lax, or ſuch a ſmalneſſe thereof, that it doth aſſure us with very
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              expeditious Calculations of its great diſtance from the Earth.</s>
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              <s>SAGR. </s>
              <s>But theſe things, were they not known to this Author?
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              </s>
              <s>and if he ſaw them, what doth he ſay unto them?</s>
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              <s>SALV. </s>
              <s>We are wont to ſay, of one that having no reply that
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              is able to cover his fault, produceth frivolous excuſes,
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              cerca di
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              taccarſi alle funi del cielo,
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              [He ſtrives to take hold of the Cords of
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              Heaven;] but this Authour runs, not to the Cords, but to the Spi­
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              ders Web of Heaven; as you ſhall plainly ſee in our examination
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              of theſe two particulars even now hinted. </s>
              <s>And firſt, that which
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              ſheweth us the Polar diſtances of the Obſervators one by one, I
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              have noted down in theſe brief Calculations; For a full </s>
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          </chap>
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