Scale: circa 1:150,000. Printed chart of the Thames Eastuary, coloured. With seven insets. Shoals and soundings marked. Compass roses with variation. Varnished paper, linen backed and with extra linen edges. Insets: Approach to Harwich 1:55,000 bar; Continuation of the River Thames 1:150,000 bar; Dover 1:23,000 bar; Folkstone 1:15,000 bar; Ramsgate 1:5,000 bar; Calais 1:4,000 bar; Boulogne 1:35,000 bar.