Poster International radio alphabets and semaphore, morse code and international code of maritime signals

This poster from the Signs & Codes collection by Pappus éditions brings together 4 modes of communication on a single medium! It includes the international radio alphabet used in aviation and at sea, the semaphore alphabet as well as the Morse code and the international code for maritime signals. Educational, fun, decorative, this content-rich poster is reminiscent of old school boards. It arouses our curiosity about these communication codes developed by man to be understood for several decades. Format: 50 x 70 cm 160gr textured paper Creation by Pappus éditions with the Marquis de Moon Printed in Brest - France