Page:Walker (1888) The Severn Tunnel.djvu/16

 following account of some of the difficulties met with in the construction of the Severn Tunnel, and how they were surmounted, is, by kind permission, dedicated to the Engineer-in-Chief,, of whose professional skill and indomitable perseverance the Tunnel itself will ever remain a lasting monument.

T. A. W. June 14, 1888.