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

Title:The Symmes Theory of Concentric Spheres, Demonstrating That the Earth is Hollow, Habitable Within, and Widely Open About the Poles
Author:
Editor:Symmes, Americus
Note:Louisville: Bradley and Gilbert, 1878
  
Link:
Stable link here:https://onlinebooks.library.upenn.edu/webbin/book/lookupid?key=olbp102240
  
Subject:Earth (Planet) -- Miscellanea
Subject:Earth (Planet) -- Internal structure
Call number:QB638 .S987 1878
Other copies:Look for editions of this book at your library, or elsewhere.

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