Category: Science - Earth/Agricultural/Farming

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

Containing an introductory glance at some of the different Theories and Opinions which have been embraced respecting the formation of the Earth, and the reception which those Theories met with from the world when first promulgated.

Chapters

15. CHAPTER V.

_The Theory of Concentric Spheres, supported by arguments drawn from Terrestrial facts; such as the migration of animals to and from the arctic regions, and from refraction, and...

13. CHAPTER III.

_Symmes's Theory supported by arguments drawn from the principles inherent in matter, and the consequences resulting from motion; tending to show that, from necessity, matter mu...

17. CHAPTER VII.

_Several objections, made to the Theory of Concentric Spheres, answered, particularly the one that it contravenes religious opinions; demonstrating that the earth, and the other...

19. CHAPTER VIII.

_General observations on the Theory of Concentric Spheres, with a few suggestions to the Congress of the United States, to authorize and fit out an Expedition for the discovery...

16. CHAPTER VI.

According to Symmes's Theory, each sphere has an intermediate cavity, or _mid-plane-space_, of considerable extent, situated between the convex and concave surfaces of the spher...

12. CHAPTER II.

_Symmes's Theory; comprehending his description of the form of the earth, and of the other orbs in the Universe; his principles of gravity, and the points wherein he differs fro...

21. CHAPTER X.

John Cleves Symmes, the author of the Theory of Concentric Spheres, is the son of Timothy Symmes, of the state of New-Jersey, whose father's name was also Timothy, and who was t...

11. CHAPTER I.

_Containing an introductory glance at some of the different Theories and Opinions which have been advanced respecting the formation of the Earth, and the reception which those T...

20. CHAPTER IX.

_A few brief suggestions, relative to the description, tonnage, and number of vessels, necessary to be equipped for a voyage of discovery to the interior regions of the earth; t...

14. CHAPTER IV.

That a disposition to hollow cylinders does exist in nature, I think, must be admitted; and that a similar principle exists in the planetary system, at least in some degree, app...

18. chapter 1, verse 2,[44]) we must acknowledge their correctness; and I

The skilful and attentive observer of nature, whether examining the most minute or the most sublime, will discover that infinite wisdom, judgment, and ingenuity, equally prevail...

9. CHAPTER IX.

A few brief suggestions, relative to the description, tonnage, and number of vessels, necessary to be equipped for a voyage of discovery to the interior regions of the earth; th...

8. CHAPTER VIII.

General observations on the Theory of Concentric Spheres, with a few suggestions to the Congress of the United States, to authorize and fit out an Expedition for the discovery o...

7. CHAPTER VII.

Several objections, made to the Theory of Concentric Spheres, answered, particularly the one that it contravenes religious opinions; demonstrating that the earth, and the other...

3. CHAPTER III.

Symmes's Theory supported by arguments drawn from the principles inherent in matter, and the consequences resulting from motion; tending to show that, from necessity, matter mus...

5. CHAPTER V.

The Theory of Concentric Spheres, supported by arguments drawn from Terrestrial facts; such as the migration of animals to and from the arctic regions, and from refraction, and...

1. CHAPTER I.

Containing an introductory glance at some of the different Theories and Opinions which have been embraced respecting the formation of the Earth, and the reception which those Th...

2. CHAPTER II.

Symmes's Theory; comprehending his description of the form of the earth, and of the other orbs in the Universe; his principles of gravity, and the points wherein he differs from...

10. CHAPTER X.

6. CHAPTER VI.

4. CHAPTER IV.