Sea signalling simplified
Subtitle: for the Merchant Navy, fishermen, yachtdmen, sea cadets, etc.
By: by Captain P. J. Russell.
Publisher: Robert Ross & co.
Published: 1949
Place of publication: London
Language: eng
Number of pages: 84
Subjects: Flags; Signals and signaling
Notes: "A simple system, with all essential notes, for learning and using the International Code of Signals, flags, pendants, morse lamp and semaphore."
"Sole distributors: Rolls House Publishing Co., LTD."
Col. ill. on lining papers.