Metropolis water supply. Report of Thomas Telford, civil engineer, February 1834, on the means of supplying the metropolis with pure water. Report p. 2 Appendix p. 9 Plans: 1. Plan and section of a line of aqueduct, from the River Verulam, above Watford, to Primrose Hill. 2. Plan and section of a line of aqueduct, from the River Wandle at Beddington, to Clapham Common. 3. Map of the new river from its source, near the town of Ware, to London, and part of the River Lea [electronic resource].