The Symmes theory of concentric spheres
Subtitle: demonstrating that the earth is hollow, habitable within, and widely open about the poles.
By: Compiled by Americus Symmes from the writings of his father, Capt. John Cleves Symmes.
Contributors: Symmes, Americus, comp.
Publisher: Printed by Bradley & Gilbert
Published: 1878
Place of publication: Louisville, Ky
Language: eng
Number of pages: 69
Subjects: Earth -- Miscellanea.
Notes: On cover: 2d ed. 1885.