The 1931 International code of signals
Subtitle: Vol. I : For visual and sound signaling
Contributors: United States. Navy Department
Edition: American ed.
Series: H.O -- no. 103; H.O. pub -- no. 103
Publisher: U.S. G.P.O.
Published: 1962
Place of publication: Washington
Language: eng
Number of pages: 367
Subjects: Signals and signaling; Merchant marine; Signaling
Other titles: Nineteen handred thirty one International code of signals.; International code of signals.
Notes: "Corrected reprint 1962."

"Published by the U.S. Navy Hydrographic Office under the authority of the Secretary of the Navy."

"Formerly H.O. pub. 87."

"For sale by authorized sales agents of the U.S. Navy Hydrographic Office."