Book A: Survey

United Kingdom: England, southeast coast: Kent, Essex and Suffolk: Broadstairs and North Foreland to Orford Ness. 'A Survey of the Entrances or Channels into the River Thames'. Chart shows coastline, hydrography anchorages, buoys, preferred navigable channels, topography, vegetation, settlements, buildings, fortifications (Languard Fort), military installations, land marks (including the location of a horizontal mill, Margate), sight lines and remarks. Printed. Watermark: '1811' [obscured by linen backing]. Latitude and longitude indicated; north point with compass indicator and magnetic north variation (1811); no scale shown. Surveyed 'by [Murdoch] Mackenzie [Junior], [Graeme] Spence and [George] Thomas'; Published according to Act of Parliament by Captian Thomas Hurd, Hydrographer to the Admiralty, Hydrographical Office, 7 [March] 1812; includes Hydrographical Office logo with anchor motif. Annotated with pasted pink label: 'Admiralty. Original Document to be Returned to the Curator, Chart Branch, Hydrogrpahic Department.'; also annotated (in red crayon): 'Original', '1'. Endorsed (in blue crayon): ‘Original’