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Key to the Universe Orson Pratt
Key to the Universe
Orson Pratt
Key to the universe or, A new theory of its mechanism. Founded upon a I. Continuous orbital propulsion, arising from the velocity of gravity and its consequent aberrations II. Resisting ethereal medium of variable density. With mathematical demonstrations and tables. This book, "Key to the universe", by Orson Pratt, is a replication of a book originally published before 1879. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.
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