Viaduct over the River Colne
Facsimile print. London and Birmingham Railway. Viaduct over the River Colne about 1840. Watford Public Libraries Facsimile No 8. Published and printed by Watford Corporation. (Original print drawn by G Dodgson, engraved by W Radclyffe and from The London and North Western Railway by Thomas Roscoe, 1847).