| Description | Letter from Isambard Kingdom Brunel to W. Johnson regarding the Northumberland Railway, including Barnfather's report on sections of opposing line, instructions for trial of most incorrect part, 16 December 1844
Letter from Isambard Kingdom Brunel to Burchell & Kilgour regarding the Northumberland Railway, including recommendation of agreement to Lawson's terms, subject to Lawson's assent to the line, 18 December 1844 |