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Surveyor: Adams, Robert

Medium: Engraving

Date: 1738

Shelfmark: Maps.Crace XVIII

Item number: 17

Length: 406

Width: 686

Scale: Millimetres

Genre: Map

Map scale ratio: 1" : 5280 Feet (1 : 63360)

Map scale description: 1'' : 1 English Mile

Map showing the defence along the River Thames from London to Tilbury in case of attack from the Spanish Armada. The plate was produced in the 18th Century from an original survey made by Robert Adams at the end of the 16th Century. The map features title in cartouche with royal arms above the plan, compass rose at top right and scale bar in cartouche below the plan. It shows the fortifications and points of observation along the river, the pontoon between Gravesend and Tilbury, the main defence against the advancing Armada, and the military encampment at Tilbury chosen by the Earl of Leicester, commander in chief of the land forces.

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