A timberclad warship is a kind of mid 19th century river gunboat.
The timberclad USS Conestoga, photographed during the American Civil War
The third USS Lexington was a timberclad gunboat in the United States Navy during the American Civil War.
Timberclad warship
…USS Essex (1856) USS Lexington (1861) USS Tyler (1857…
Lexington with Tyler at Belmont
Lexington with Tyler at Shiloh
Lexington crosses over the falls