The Severn tunnel :

its construction and difficulties. 1872-1887. /
By Thomas A. Walker. With five portraits on steel and upwards of forty sketches and plans.
Bibliographic Details
Main Creator: Walker, Thomas Andrew, 1828-1889.
Format: Book
Language:English
Published / Created: London : R. Bentley & Son, 1888.
Subjects:
Notes:Physical description: xv, 188 p. : ill. (part fold.), fold. map, ports., plans (part fold., 1 col.) ; 26 cm.