Johnson, Brian, — THE SECRET WAR.
BBC (British Broadcasting Corporation), London, 1978, 1st edn., 352pp, half tone photo pictorial half title and frontis, numerous in text half tone photo and line illustrations, large format (10 x 7 inches), grey cloth lettered in silver at spine, photo pictorial dustwrapper, expanded from the BBC TV series of the same name, WW2 as fought by the scientists and technicians; Luftwaffe navigational beams and the countermeasures; the development and use of radar in defence and aircraft navigation; the V-1 flying bomb and V-2 rocket; the battle against the u-boats incl. the development of new weapons, new vessels and new tactics; the countering the German mines; many special weapons; and the work at Bletchley Park in the breaking of the codes produced by the Enigma machines, boards rubbed along upper and lower edges, dustwrapper: rubbed with loss at extrems., repaired to reverse, very good in a good dustwrapper,
