An Explanation of the Gnomonic Projection of the Sphere; And of Such Points of Astronomy as Are Most Necessary in the Use of Astronomical Maps. Being a Description of the Construction and Use of the Larger and Smaller Maps of the Stars as Also of the Si
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An Explanation of the Gnomonic Projection of the Sphere; And of Such Points of Astronomy as Are Most Necessary in the Use of Astronomical Maps. Being a Description of the Construction and Use of the Larger and Smaller Maps of the Stars as Also of the Si
