Symmes’s Theory of Concentric Spheres book cover
Alternative History · English

Symmes’s Theory of Concentric Spheres

by James McBride and John Cleves Symmes

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About this book

This work explains Symmes’s proposal that the Earth consists of concentric spheres with openings near the poles. McBride discusses the observations and arguments offered in support of the idea and the exploration it inspired.

Author
James McBride and John Cleves Symmes
Category
Alternative History
Language
English

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