Description of suspension bridges on Dredge's patent taper principle, with diagrams, to which is appended several scientfic papers and opinions of eminent authorities in support of this important invention /
Dredge, William.
Stephenson, H. P.
Dredge, James.
Charles D. Young (Firm)
Dredge and Stephenson (Firm)
Edinburgh : W. Burness,
1851.
In portfolio entitled "Dredge's patent suspension bridges" .
Dredge, James.
Suspension bridges