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Written by Henry Warren


Recreations in Astronomy

Recreations in Astronomy

by Henry Warren

Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work. 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 i..