- 1Battery mining locomotive drawings (GEC/2/2/2/1)
1956-1964, file - 2Bogie drawings (GEC/2/2/2/2)
1956-1964, file - 3Frame drawings of ISCOR locomotives (GEC/2/2/1/1)
1974-1988, file - 4Tender bogie drawings (GEC/2/2/5/1)
1949-1955, file - 5Axle boxes and details drawings (GEC/2/2/2/3)
1961-1973, file - 6Parts detail drawings for WG Bagnall Ltd (GEC/2/2/5/2)
1955-1958, file - 7Mechanical parts drawings for South African locomotives (GEC/2/2/1/2)
1981, file - 8Mechanical parts drawings for Brazil, South Africa Railways and British Rail Class 373 (GEC/2/2/1/3)
1953-1989, file - 9Bogie drawings for Brazil Steel Railway (GEC/2/2/1/4)
1976-1989, file - 10Wheel and axle drawings (GEC/2/2/1/5)
1956-1986, file - 11Electrical parts of cables, conduits and clips drawings (GEC/2/2/2/4)
1959-1971, file - 12South African Railways electric loco layouts (GEC/2/2/1/6)
1974-1988, file - 13Mechanical parts and arrangements for Malaya, East Pakistan and Northern Ireland Railways (GEC/2/2/2/5)
1969-1970, file - 14Conduits and cables, cleats and brackets drawings (GEC/2/2/1/7)
1967-1978, file - 15Mechanical details for industrial locomotives (GEC/2/2/7/1)
c 1955-1962, file
