Scale: circa 1:500,000. Chart of the English Channel, with parts of the North Sea, Bristol and St Georges Channels. Lights coloured. With thirteen insets and twenty views. Variation. MS pencil position marks. Notes on lights, tides etc. Coordinates given. Blue back with red ribbon edge. Torn in two Insets: The harbour of Valentia by Alexr Nimme 1:95,000 bar; Galway Harbour by Commr G.A. Bedford 1:50,000 bar; Dublin Bay surveyed by Commr G.A. Frazer 1:95,000 bar; Entrance of Cork Harbour 1:130,000 bar; Scilly Islands 1:90,000 bar; Holyhead Bay by Capt F.W. Beechey 1:120,000 bar; Liverpool Bay surveyed by Commr H.M. Denham 1:250,000 bar; Plymouth Sound 1:75,000 bar; The coast from Calais to Boulogne 1:250,000 bar; Entrance of the River Seine 1:200,000 bar; St Malo 1:90,000 bar; Isle of Wight 1:300,000 bar; The Downs surveyed by Capt Bullock 1846 1:130,000 bar