Mechanical details, general arrangements and wiring diagrams

This roll contains one drawing of English Electric-Vulcan pipework layout for the British Railways Board, V3225; one drawing of English Electric 600HP 3'6" gauge diesel electric loco general arrangement, P3202; one drawing of English Electric-Vulcan Robert Stephenson & Hawthorne overhead electric loco general outline, P3100 and one drawing by English Electric Co Bradford wiring diagrams, 2nd class NDT coaches (9ft stock), RWS 81D-683.