Reports documenting visits to various foreign factories, development and equipment reports.

Series of various reports published both in-house and by other publishers between 1947-1997. A large number concern visits made by employees to other factories abroad; Russia in 1962 to see turbine factories in Kharkov and Leningrad; A.E.G. West Berlin 1963-1969 to establish contacts and co-operate in large steam turbine design; General Electric Company of America 1957-1969 to work on large steam turbine design at the Schenectady and Lynn plants. Also included in this series are various reports on research and development carried out by Metropolitan-Vickers Electrical Co Ltd and Associated Electrical Industries Ltd - Turbine-Generator Division. Finally a series of reports roduced to document the number of turbine sets produced by the companies.