The estuaries of the Thames and Medway drawn from surveys made by Capts F. Bullock, I. Washington and W Hewtt R.N. London. Published by James Imray and Son 1854.

Scale: circa 1:500,000. Printed chart of the Thames Estuary with the River Medway. With four insets. Shoals marked and soundings. Compass roses. Lights coloured. Has split in centre on the fold. Insets: [Quen's Channel 1:70,000 bar; London to Sea Reach 1:85,000 bar; River Medway 1:60,000 bar. Harwich Harbour 1:40,000 bar. Right-hand side of the chart.