[Plymouth Harbour] Soundings on the Vanguard Rock ??

Scale: 1:1,100 (bar). One of five manuscript sheets showing cross sections and soundings in Plymouth harbour; pen and ink; colour wash and pencil Insets: Four sections showing Vanguard Rock circa 1:240 (bar) ??

Object Details

ID: STK223:2/171(1)
Collection: Charts and maps
Type: Chart
Display location: Not on display
Creator: Stokes, John Lort
Date made: 1858
Credit: National Maritime Museum, Greenwich, London. Caird Fund.
Measurements: Overall sheet dimensions: 133 cm x 77 cm ??