Documents: This group contains single maps, plans and track charts. Examples include a map showing stands of timber in the Penobscot area of New England, ca.1770; plans of the battle of Trafalgar, 1805; of Portsmouth harbour, 1807; a group of plans relating to Sir John Rennie (1761-1821) concerning the proposed Northfleet dockyard, 1806, the West India docks and theIsle of Dogs, 1802 to 1820; a plan and estimate of 1815 of a proposed breakwater to be built at Deal by Graeme Spence (fl.1758-1815); a plan of Lowestoft harbour, 1830; and of Sunderland and the river Wear, 1867. Plans of dockyards are included in the description of Public Records (Section Two, above), while the main collection of charts in the Museum is held by the Department of Navigation.