Text on inside covers. Pierced for binder. 'This chapter supersedes the whole of Chapter V of the "Admiralty manual of hydrographic surveying" (1948 edition)' - title page verso.
Admiralty manual of hydrographic surveying. Vol.2; Chapter 1, Marks and marking. ISBN 0902539264. Published by Hydrographer of the Navy in 1970. Publication and catalogue information, links to buy online and reader comments.