- 1Tender bogie drawings (GEC/2/2/5/1)
1949-1955, file - 2Mechanical parts drawings for South African locomotives (GEC/2/2/1/2)
1981, file - 3Mechanical parts drawings for Brazil, South Africa Railways and British Rail Class 373 (GEC/2/2/1/3)
1953-1989, file - 4Bogie drawings for Brazil Steel Railway (GEC/2/2/1/4)
1976-1989, file - 5South African Railways electric loco layouts (GEC/2/2/1/6)
1974-1988, file - 6Mechanical parts and arrangements for Malaya, East Pakistan and Northern Ireland Railways (GEC/2/2/2/5)
1969-1970, file - 7Electrical parts drawings for industrial overseas locomotives (GEC/2/2/1/9)
1975-1984, file - 8Pakistan Eastern Railway diesel electric locomotive (GEC/2/2/1/11)
1969-1972, file - 9Electric stock details for the South Indian Railway (GEC/2/2/2/6)
1929-1934, file - 10Axle box guide casting drawings (GEC/2/2/1/13)
1967-1984, file - 11Brake gear details for ISCOR locomotives (GEC/2/2/1/14)
1967-1976, file - 12Mechanical details for ISCOR locomotives (GEC/2/2/1/15)
1975-1979, file - 13Mechanical details for Pakistan and Western Brazil locomotives (GEC/2/2/1/16)
1957-1981, file - 14Bogie arrangements (GEC/2/2/1/17)
1983-1992, file - 15Ventilation details (GEC/2/2/1/18)
1983-1987, file