Copy of a Survey of the Island of Jersey, taken by order of his Grace the Duke of Richmond, Master-General of the Ordnance
1 : 10560 This drawing is formally titled at the bottom left and features scale bars at bottom centre and a compass star at top right. Thin and delicate brushwork ('hachuring') indicates relief, while symbols and different colours of wash indicate types of land use. Note the prominent positions of Mont Orgueil Castle above Granville Bay, at middle right, and Elizabeth Castle in the Bay of St. Hellier, at bottom centre. These give strategic indications as to how Jersey has defended its coastline through the ages. Thompson and Longmore
Sevenoaks (Kent) reverse
1 : 21120 Drawing on the reverse side of OSD 100,pt.1 (folio V, serial no. 353). Only the skeleton of a drawing is presented here. Pencil lines radiate from fixed points, representing angular measurements taken from trigonometrical stations.,Churches were often chosen for such stations, due to the clear views afforded by their tall towers or spires. On this map, an outlined red cross indicates a church, 'St Clements', with a windmill nearby.