Transcriber's Note
The cover image was created by the transcriber and is placed in the public domain.
SYMMES'S THEORY
OF
CONCENTRIC SPHERES;
DEMONSTRATING
THAT THE EARTH IS HOLLOW, HABITABLE WITHIN,
AND
WIDELY OPEN ABOUT THE POLES.
By a Citizen of the United States.
"There are more things in Heaven and EARTH, Horatio,
Than are dreamt of in your philosophy!"