Symmes's Theory of Concentric Spheres Demonstrating that the Earth is hollow, habitable within, and widely open about the poles
by James McBride, John Cleves Symmes
📖 Public Domain — Free to Read
| Editions | 1 |
| Publisher | Project Gutenberg |
Subjects
Earth (Planet) -- MiscellaneaSymmes, John Cleves, 1780-1829