Over the course of several volumes, Allen Jackson uses an array of photographs to lavishly illustrate the story of signalling in the principal constituents of the LNER - continuing here with the second volume, which tells the story of the North Eastern Railway in Durham, Northumberland and Cumbria. Although the NER could be likened to the Midland Railway, it was unlike the MR in one respect - that of keeping to a fairly tight geographic area. This...