The drawer contains negatives, tied into bundles of English Electric Company Traction Control gear component detail drawings. Drawing number range 5 B 1 – 499; 5 C 124 and 828; 5 C 3301 and 4192; 5 D 802 and 1233; 5 E 3603 and 5051; 2 B 8484; 2 C 5156; 2 C 5366; 2 C 7320; 5 E 5607; 5 E 6815.