The roll contains six waxed linen drawings by British Railways Locomotive Drawing Office, Brighton of axlebox, piping, shoegear and bodyside details for electro-diesel locomotives. Drawing numbers W.12887; W.13780; W.13807; W.13888; W.13914; SL/DE/19799.

Class 73/0. Arrangement of motor connection boxes. Class 73/1. AWS piping No. 1 end cab partition. Body side details. Single drawing for all BR Standard locomotives and tenders. Axle box guide and spring. Details of collector shoe gear. Mechanical lubricator check valve grease nipple connections (for BR Standards).