The 1931 international code of signals

An edition of The 1931 international code of signals (1932)

The 1931 international code of signals.

By Great Britain. Board of Trade.

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Publish Date

1933

Publisher

U.S. Govt. print. off.

Language

eng

Pages

362

Description:

subjects: Signals and signaling, Merchant marine, Signaling, Cipher and telegraph codes, Signalling, Radio in navigation