# Symmes' Theory of Concentric Spheres, Showing That the Earth Is Hollow, Part 5 (Conclusion)

Page: https://stenobird.com/podcast/boring-books-for-bedtime-readings-to-help-you-sleep-237351/symmes-theory-of-concentric-spheres-showing-that-the-earth-is-hollow-part-5-conclusion
Text version: https://stenobird.com/podcast/boring-books-for-bedtime-readings-to-help-you-sleep-237351/symmes-theory-of-concentric-spheres-showing-that-the-earth-is-hollow-part-5-conclusion.md
Podcast: [Boring Books for Bedtime Readings to Help You Sleep](https://stenobird.com/podcast/boring-books-for-bedtime-readings-to-help-you-sleep-237351)
Published: 2026-05-04T11:00:00+00:00
Episode link: https://boringbooksforbedtime.libsyn.com/symmes-theory-of-concentric-spheres-showing-that-the-earth-is-hollow-part-5-conclusion
Audio file: https://traffic.libsyn.com/secure/boringbooksforbedtime/Symmes_Hollow_Earth_5.mp3?dest-id=810167
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Duration seconds: 3793

## Resource

Let's relax with the conclusion of this most remarkable book of geological theory. This time, a plea to scientific advancement and nation-building in the form of an expedition to the Earth's interior, an outline of the voyage, and a glowing portrait of Captain Symmes and his genius. Well, at least he tried, I guess? Help us stay ad-free and 100% listener-supported! Patreon: https://www.patreon.com/boringbookspod Buy Me a Coffee: https://www.buymeacoffee.com/d5kcMsW Read "Symmes' Theory of Concentric Spheres" by John Cleves Symmes at Project Gutenberg: https://www.gutenberg.org/ebooks/54329 Music: "Boring Books for Bedtime" by Lee Rosevere, licensed under CC BY, https://leerosevere.bandcamp.com If you'd like to suggest a copyright-free reading for soft-spoken relaxation to help you overcome insomnia, anxiety and other sleep issues, connect on our website, https://www.boringbookspod.com .

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