The Anti-Gravity Files: A Compilation of Patents and Reports (Lost Science): Childress, David Hatcher: 9781939149756: : Books
Books by David Hatcher Childress
HOW TO BUILD A TIME MACHINE: The Real Science of Time Travel: .co.uk: CLEGG, BRIAN, HOMLER, in 2023
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The Anti-Gravity Handbook: Expanded and Revised Third Edition: Childress, David Hatcher: 9781931882170: : Books
The Anti-Gravity Handbook: Childress, David Hatcher: 9780932813015
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Anti-Gravity and the Unified Field (Lost Science Series)
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The Anti-Gravity Handbook: Expanded and Revised Third Edition: Childress, David Hatcher: 9781931882170: : Books
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The Anti-Gravity Handbook
David Childress : : Booksamillion.com