Britannia tubular bridge over the Menai Straits taken during its construction in 1848

Name of Robert Stephenson, engineer, at bottom of print, also included are specifications of bridge.

Britannia tubular bridge over the Menai Straits taken during its construction in 1848
Britannia Tubular Bridge, over the Menai Straits, shewing the float
Britannia Tubular Bridge over the Menai Straits taken during its construction in May, 1849
Britannia Tubular Bridge over the Menai Straits taken during its construction in May, 1849