Horse hauling a barge on the Regent's Canal at Park Village East, London, 1829. Artist: W Radcliff

Horse hauling a barge on the Regent's Canal at Park Village East, London, 1829. The Regent's Canal, connecting the Paddington Canal and the Thames at Limehouse, was opened in 1820. The canal cost £772,000 to construct, twice the amount originally estimated. In 1929 the Regent's Canal Company purchased the Grand Junction and Warwick Canals, merging the three waterways to create the Grand Union Canal. Fom London and Its Environs in the Nineteenth Century. (London, 1829). (Photo by Oxford Science Archive/Print Collector/Getty Images)