- 1AEI News and Rotor (YA1996.2338)
January 1937 - August 1956, fonds - 2Quotations for Supplying Electrical Cable and Meters (YA1996.2739)
3rd November 1931- 19th January 1932, fonds - 3Control equipment schemes and details (GEC/2/2/3/1)
1966-1967, file - 4Cable schedule and wiring diagrams for Class AL1 & AL5 (GEC/2/2/3/2)
1966-1967, file - 5Electrical equipment drawings (GEC/2/2/3/3)
1965, file - 6Wiring diagrams for diesel electric locomotives (GEC/2/2/2/58)
1949-1961, file - 7Equipment layouts (GEC/2/2/2/59)
1953-1957, file - 8Control apparatus equipment drawings (GEC/2/2/3/4)
1971-1973, file - 9Arrangement of equipment (GEC/2/2/2/60)
1968-1969, file - 10Contactors for flameproof locomotives equipment (GEC/2/2/2/79)
1924-1961, file - 11Layouts of electrical equipment and pantograph general arrangements (GEC/2/2/2/80)
1928-1949, file - 12Sandbox, sandpipe and ballast arrangements and details (GEC/2/2/2/81)
1962-1969, file - 13Rhodesian 3'6'' Class 40 variant general arrangement (GEC/2/2/2/82)
1958, file - 14Class 87 bogie casting and bogie frame machining details (GEC/2/2/2/83)
1959, file - 15Underframe air and vaccum pipe arrangement (GEC/2/2/2/84)
1969, file