The 1931 international code of signals.
Edition: American ed. (Effective January 1, 1934)
Series: [U. S.] Hydographic office. [Publication]; no. 87-88
Publisher: U.S. Govt. print. off.
Published: 1933
Place of publication: Washington
Language: eng
Subjects: Signals and signaling.; Merchant marine -- Signaling.
Other titles: International code of signals.
Notes: On cover:    International code of signals <American edition> ... 1931. United States Navy department. Hydrographic office.
Table of contents: title: I. For visual and sound signaling.; title: II. For radio signaling.