THE SLOW AND REPEATED UP AND DOWN MOVEMENT OF THE ARMS
While researching maritime emergency signals in the context of my written story, I found out about the world of 'signal flags' and how to communicate with them from a vessel at sea. Out of the International Code of Signals, handbook for visual, sound and radio communications by I-GMCO, I made a collection of favourite verses.
15 x 18 cm (scale 0.5:1 to the size of a common signal flag)
Some of all pages: