The ground platt and prospect of Rokaine Castle

Bound sheet. Col. ms. Medium: Laid on linen. Physical description Note: Damaged by sea water. Cartographic Note: Scale in yards. Additional Places: Channel Islands. Contents Note: Plan and view. The view depicts surveyors conducting a chain survey.

Administrative / biographical background
From the bound manuscript report of the survey of the defences of the Channel Islands carried out under the direction of George Legge, Lt. General of Ordnance and later Baron Dartmouth. The volume was said to have been with Legge in the 'Gloucester' frigate when she was wrecked off Cromer and to have been found by a fisherman on the coast.