Map and Sections of the Severn Tunnel Railway. No date but circa 1875. On folding linen in 10 sections, size 71 by 50 cm. Attributed to Hawkshaw, Engineer in Chief, and to Richardson, Engineer. These names appear on the plans. The scale of the map is approximately 5 miles to the inch and there are 3 scales for the various sections (a cross section of the tunnel plus horizontal and vertical sections, with a longitudinal section under the Severn). The map shows railway connections to the Severn Tunnel with Great Western Railway lines in red. Hand-coloured. VG condition