'Floating Dock, Deptford (1820)', (c1878). The Royal Navy Dockyard at Deptford on the River Thames operated from the mid-16th to the late 19th century. The dockyard, in what is now part of greater London, built and maintained warships for 350 years. From Old and New London: A Narrative of Its History, Its People, And Its Places. The Southern Suburbs, Volume VI, by Edward Walford. [Cassell, Petter, Galpin & Co., London, Paris & New York, c1878]