Scale: circa 1:600,000. Chart of the English Channel. Lights coloured. With twelve insets and fourteen views. Variation. Printed track 'best parallel upon which to enter the English Channel'. Sailing directions. Coordinates given. Blue back Insets: Plymouth 1:75,000 bar; Scilly Isles 1:90,000 bar; Approaches to Falmouth 1:100,000 bar; Approaches to Portsmouth 1:200,000 bar; Cherbourg 1:65,000 bar; Needles Passage 1:95,000 bar; Entrance to the River Seine 1:150,000 bar; The Downs 1:120,000 bar; Penzance Bay 1:68,000 bar; Dartmouth 1:43,000 bar; The coast from Calais to Boulogne 1:300,000 bar; Portland and Weymouth 1:170,000 bar