A detailed history of the Berlin U-Bahn’s type B units, first introduced in the 1920s these units were still in operation in the late 1960s. The type B’s were the first standard design of units to be used on the Berlin U-Bahn. This book looks at their history, design and working life up to the end of service in 1969. Also included is a section looking at the units since retirement. Illustrated with black and white photographs. German text. Hardback. 192 pages.