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Recreations in Astronomy With Directions for Practical Experiments and Telescopi

Recreations in Astronomy W…

Warren, Henry White
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All sciences are making an advance, but Astronomy is moving at the double-quick. Since the principles of this science were settled by Copernicus, four hundred years ago, it has never had to beat a retreat. It is rewritten not to correct material errors, but to incorporate new discoveries.
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