Symmes's Theory of Concentric Spheres; Demonstrating that the Earth is hollow, habitable within, and widely open about the poles

Symmes's Theory of Concentric Spheres; Demonstrating that the Earth is hollow, habitable within, and widely open about the poles

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Discover the groundbreaking exploration of a world within our world in ""Symmes's Theory of Concentric Spheres."" Originally penned by visionary thinkers James McBride and John Cleves Symmes, this captivating work unveils the audacious hypothesis that the Earth is hollow, habitable, and accessible through vast openings at the poles. Journey into the depths of 19th-century scientific curiosity and imagination, where the boundaries of known geography are challenged and expanded. Out of print for decades, this intriguing volume has been meticulously republished by Alpha Editions, offering both th...