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<p>Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
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<br>Subjects: vjooqic; sin; longitude; apparent; latitude; tang; distance; moon; eclipse; sidereal time; vjooqic chapter; vjooqic table; hourly motion; approximate time; angular distance; hour angle; radius vector; zenith distance; apparent diameter</div>
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John Gummere,  Ezra Otis Kendall</div>
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