UFOs and Anti-Gravity: Piece for a Jig-Saw - Leonard G. Cramp - Google Books

http://books.google.de/books?id=D2OqqGgwaIoC&pg=PA33&lpg=PA33&dq=Cedric+Lee+annular+wing&source=bl&ots=4boeTExJ0-&sig=aGBrk08dMM

Long out-of-print, Cramp's 1966 classic book on flying saucer propulsion and suppressed technology is available again. Cramp wrote Space, Gravity and the Flying Saucer in 1954 and was Vice-President of the British UFO Research Association (BUFORA). This is…