- 1Engineering Drawings from the Derby Carriage and Wagon Works (DERBYC&W)
c 1877 - 1965, fonds - 2Bow Works Locomotive Drawings (BOW)
1855-1959, fonds - 3Stoke Works Drawings (STOKE)
1868 - 1927, fonds - 4Derby Locomotive Works Engineering Archive (DERBYLOCO)
1874 - 1961, fonds - 5Post Office (London) Railway and overseas railways diagrams of connections (GEC/2/2/2/171)
1908-1934, file - 6Mechanical details (GEC/2/2/2/211)
1949, file - 7LMS weight and measure diagrams for a 4-6-2 passenger engine (GEC/2/2/2/247)
1961-1962, file - 8Diesel electric locomotive electrical equipment layouts and general locomotive outlines including the Class 55 prototype (GEC/2/2/2/539)
1944-1960, file - 9GEC Witton electrical equipment layouts including for London Midland & Scottish Railway Co, New Zealand Railways and Central Argentine Railway (GEC/2/2/9/23)
1933-1937, file - 10GEC Witton electrical equipment layouts including for London Midland & Scottish Railway Co, New Zealand Railways and South African Railways and Harbours (GEC/2/2/9/24)
1932-1969, file - 11A diagram magazine book by Vulcan Locomotive Works for overseas and UK locomotives (GEC/3/7/3)
c 1955, file - 12Metropolitan-Vickers Electrical Co Ltd photo albums (GEC/4/3/13)
1952, file - 13Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/9)
1937-1955, file - 14Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/21)
1937, file - 15Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/22)
1924-1925, file