{"product_id":"ufos-and-anti-gravity-9781939149565","title":"UFOs and Anti-Gravity","description":"Leonard G. Cramp's classic book on flying saucer propulsion and suppressed technology is back in print in this expanded edition. Now including material from his first book; Space; Gravity \u0026amp; the Flying Saucer; this book is a highly technical look at the UFO phenomena by a trained scientist. Cramp first introduces the idea of 'anti-gravity' and introduces us to the various theories of gravitation. He then examines the technology necessary to build a flying saucer and examines in great detail the technical aspects of such a craft. Cramp's book is a wealth of material and diagrams on flying saucers; anti-gravity; suppressed technology; G-fields and UFOs. Chapters include: Crossroads of Aerodynamic Saucers; Limitations of Rocketry; Gravity and Magnetism; Gravitation and the Ether; The Present State of the Art; Gravitational Spaceships; The G-Field Theory; G-Field Lift Effects; Accompanying Phenomena; Analysis of Technically; Corroborative Evidence; Analysis of a Theory to Fit the Facts; The Bi-Field Theory; VTOL and Hovercraft; Analysis of UFO photos; tons more. The book that finally blew the lid on anti-gravity\u003cbr\u003e\u003cbr\u003e\u003cb\u003eBinding Type:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Adventures Unlimited Press\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 04\/15\/2016\u003cbr\u003e\u003cb\u003eISBN:\u003c\/b\u003e 9781939149565\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 396\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 1.05lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 8.40h x 5.40w x 1.00d","brand":"Leonard G. Cramp","offers":[{"title":"Default Title","offer_id":42917430263989,"sku":"9781939149565","price":16.96,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/0804\/6492\/products\/img_c4b5cd87-2769-44fd-8aba-50c3fdd2abfe.jpg?v=1687284884","url":"https:\/\/pastforward.org\/products\/ufos-and-anti-gravity-9781939149565","provider":"Past Forward","version":"1.0","type":"link"}