- 1Drawing Office records (GEC/2)
1874-1994, sub-fonds - 2Drawings (GEC/2/2)
1874-1993, series - 3Publications (GEC/4/1)
1904-1996, series - 4Drewry Car Co Ltd drawings (GEC/2/2/20)
1931-1944, sub-series - 5Diesel locomotive mechanical parts (GEC/2/2/20/1)
1931-1944, file - 6Diesel locomotive components (GEC/2/2/20/2)
1934-1941, file - 7Diesel locomotive mechanical components (GEC/2/2/20/3)
1938-1939, file
