http://book.klll.cc/ebooks/author/54909.opds?sort_order=release_date 2025-11-18T02:43:20Z Books by Vail, Isaac N. (Isaac Newton) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T02:43:20Z https://en.wikipedia.org/wiki/Isaac_Newton_Vail See also: en.wikipedia 2025-11-18T02:43:20Z https://book.klll.cc/ebooks/68690.opds The Vailan or annular theory: A synopsis of Prof. I. N. Vail's argument in support of the claim that this Earth once possessed a Saturn-like system of rings Stephen Bowers