- 1Report books of John Graham, Stockton and Darlington Railway Employee (GRA)
1831-1845, fonds - 2Battery mining locomotive drawings (GEC/2/2/2/1)
1956-1964, file - 3Bogie drawings (GEC/2/2/2/2)
1956-1964, file - 4Locomotive details, inlcuding drawings for New South Wales State Mines Authority, Australia (GEC/2/2/2/20)
1967-1973, file - 5Mechanical details for a variety of locomotives (GEC/2/2/2/21)
1962-1966, file - 6Mining trolley locomotive mechanical parts (GEC/2/2/1/57)
1977-1980, file - 7ISCOR locomotives mechanical parts (GEC/2/2/1/58)
1974-1981, file - 8Underframe details (GEC/2/2/1/59)
1974-1988, file - 9Mining locomotives mechanical details (GEC/2/2/8/9)
1960-1961, file - 10Miner gear guides (GEC/2/2/2/180)
1961, file - 11Industrial locomotive arrangements and details (GEC/2/2/2/182)
1960-1964, file - 12Roan Antelope Copper Mines Ltd electric shunting locomotives mechanical parts (GEC/2/2/19/2)
c 1950, file - 13Rede Mineira de Viação bogie mechanical parts for 800 kw electric locomotives (GEC/2/2/4/22)
c 1950, file - 14National Coal Board, Sandhole Colliery trolley locomotive mechanical parts (GEC/2/2/4/27)
c 1953, file - 15Maltby Colliery type D.B.F. locomotives mechanical parts (GEC/2/2/4/29)
c 1959, file