The 1931 International Code of Signals : Volume 1 for Visual and Sound Signalling. Published and printed in London by His Majesty's Stationery Office, 1932. Hard cover, burgundy coloured. Price printed on fly page "15s 0d"warrnambool, flagstaff hill maritime museum, shipwreck coast, book, 1931 international code of signals, the 1931 international code of signals : volume 1 for visual and sound signalling, communication, navigation, maritime signals