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Symmes's Theory of Concentric Spheres: Demonstrating That the Earth is Hollow, Habitable Within, and Widely Open About the Poles

Title:Symmes's Theory of Concentric Spheres: Demonstrating That the Earth is Hollow, Habitable Within, and Widely Open About the Poles
Author:
Author:
Note:Cincinnati: Morgan, Lodge, and Fisher, 1826
  
Link:
Stable link here:http://onlinebooks.library.upenn.edu/webbin/book/lookupid?key=olbp62173
  
Subject:Earth (Planet) -- Miscellanea
Subject:Earth (Planet) -- Internal structure
Subject:Symmes, John Cleves, 1780-1829
Call number:QB638 .S987
Other copies:Look for editions of this book at your library, or elsewhere.

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