U-bootwaffe 1939-1945, part 4

Softcover 21x30 cm, 80 pages. Polish text. Numerous b&w photos, paint schemes, maps and sketches, insert with an A0 plan and sections of the XXI boat in 1:100th scale. Fourth part of the German submarine forces profile, with emphasis on new Electro-Boote, the type XXI and XXIII, as well as Walter prototypes. 8386208899