Instructions as to the survey of lights and sound signals ...
Contributors: Great Britain. Ministry of War Transport.
Publisher: H.M. Stationery Off.
Published: 1945
Place of publication: London
Language: eng
Number of pages: 36
Subjects: Collisions at sea -- Prevention.; Signals and signaling.
Notes: At head of title: Ministry of War Transport.
"1927 issue [by the Board of Trade] reprinted with amendments, Dec. 1944."--p. [2] of cover.
Errata slip.