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<p>Book digitized by Google from the library of the University of California and uploaded to the Internet Archive by user tpb.
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<br>Subjects: earth; sun; moon; distance; orbit; center; planet; stars; solar; planets; periodic time; horizontal parallax; angular distance; great circle; apparent diameter; heavenly bodies; opposite sides; square root; solar system; sir william</div>
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Denison Olmsted</div>
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