- 1General arrangement drawing no 39448 (YA1966.24/3/21/C/20/6730)
1885, item - 2Overseas railways general arrangements of diesel electric locomotives (GEC/2/2/2/261)
1947-1956, file - 3Western Australian Government Railway diesel electric locomotives mechanical parts (GEC/2/2/4/20)
c 1955, file - 4Western Australian Government Railway diesel engine auxiliary machines and electrical equipment (GEC/2/2/4/45)
c 1955, file - 5Western Australian Government Railway diesel electric locomotives mechanical parts (GEC/2/2/4/58)
c 1955, file - 6Control frame layouts including for Western Australia Government Railways (GEC/2/2/2/510)
1942-1946, file - 7Layout of equipment in electro-diesel locomotives for British Rail Southern Region and LNER. General outlines for diesel electric locomotives, trolley mining locomotives, proposed cab arrangement for electric shunting locomotives for overseas railways (GEC/2/2/2/513)
1942-1949, file - 8Equipment layouts and general arrangements (GEC/2/2/2/542)
1944-1960, file - 9AEI General Signal Ltd electrical equipment layouts including for British Railways Scottish and Southern Regions and Western Australia Government Railways (GEC/2/2/34/55)
1965-1967, file - 10Electrical equipment layouts including for Cottam Coal Plant and Western Australia Government Railways (GEC/2/2/34/97)
1967-1968, file - 11Electrical equipment layouts including for Western Australia Government Railways (GEC/2/2/4/86)
1955-1966, file - 12Electrical equipment and wiring diagrams including for the National Coal Board, Western Australia Government Railways and British Railways Board (GEC/2/2/4/97)
1952-1967, file - 13Electrical equipment and wiring diagrams including for New South Wales Government Railways, Western Australia Government Railways and the National Coal Board (GEC/2/2/4/100)
1953-1969, file - 14Electrical equipment and wiring diagrams including for New South Wales Government Railways, Western Australia Government Railways and Córas Iompair Éireann (GEC/2/2/4/101)
1954-1986, file - 15GEC Witton electrical equipment and wiring diagrams for british and overseas railways (GEC/2/2/9/8)
1940-1955, file