- 1Working papers collected by Frank Rosslyn Harris, Chief Engineer of the Steam and Gas Turbine Department of GEC. (YA1999.39/1)
1937 - 1997, series - 2Reports documenting visits to various foreign factories, development and equipment reports. (YA1999.39/2)
1947 - 1997, series - 3Catalogues representing the turbines developed and built by Metropolitan-Vickers. (YA1999.39/3)
1921-1958, series - 4Books and journals representing the development and production of gas turbines by Metropolitan-Vickers Electrical Co. Ltd and The General Electric Company Ltd. (YA1999.39/4)
1917 - 1987, series - 5Plans and sections from Metropolitan-Vickers Electrical Co Ltd and Associated Electrical Industries Limited and Associated electrical Industries Limited of gas turbines built for various customers. (YA1999.39/5)
c.1935 - c.1970, series - 6Series of photographs of gas turbine and F2 engines (YA1999.39/6)
1945 - c.1985, series - 7The Frank Harris Collection (YA1999.39)
1931 - 1989, fonds
