Revised international code of signals 1969 (communication) :  study guide for nautical students. 

 - [S.l.] :  [s.n.],  1969. 
 - ii, 72 pages :   illustration ;  27 centimeter. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Signals and signaling. 
<br/><br/><label>Dewey Class. No.: </label>FOR 388 R32 1969