Note 91 — Chapter XVIII
Reading edition
Robert Stephenson's narrative of the early history of the design, in Edwin Clark's "Britannia and Conway Tubular Bridges," vol. i., p. 25, London, 1850.
Reading edition
Robert Stephenson's narrative of the early history of the design, in Edwin Clark's "Britannia and Conway Tubular Bridges," vol. i., p. 25, London, 1850.