Britannia Bridge, Platform and Construction of Tubes, September 1848 by Hawkins the younger, George (1819 - 1852)
Lithograph, handcolor/tinted. Conway bridge ? (Ian Kennedy).
 
Matted, Image size: 13.8in x 18.6in (34.9 x 47.3cm). 
Overall size 22in x 28in (55.9 x 71.1cm).
Made in: UK, 1848 
Art-In-Industry collection number pp_087