An antique lithograph by G. Hawkins and Day & Son. Lithographer's to The Queen after G. Pickering. Published by T. Catherall, Eastgate Row, Chester. Circa 1850 with later hand colouring. Beneath the image are inscribed the following facts - Length of Tube 412 Feet and Weight of Tube 1300 Tons. Top and side margins have been trimmed close to printed border.
Approx 27.5cms by 19cms.