Manual of air navigation field manual Air navigation / prepared under direction of the chief of the air corps radio equipment C.B. 4553 (1) (R) Auto-aligning System Mark 2. (A/AL. MK.2) : alignment of plan displays with associated radar aerials, Volume 1. Technical Description, 1951 radio equipment C.B. 4553 (2) (R) Auto-aligning system mark 2. (A/AL. MK.2) : alignment of plan displays with associated radar aerials, Volume 2. Figures
