A book that considers problems of control on the railways at all levels, from control of railways as systems down to control of the individual pieces of rolling stock. Ex-library. Blue cloth-covered boards, gilt titles to spine, fore-edges uncut (untrimmed), illustrations from diagrams, charts, maps et cetera and from photographs, some foldout charts, 255 pages. Condition: Boards worn, bumped, stained and faded. Untrimmed edges inevitably rather grubby. Light age-tanning to prelims. Pages clean and unmarked, and binding sound.