SGWEN - VII ème Caire - Roman Alphabet Tap Code The tap code is a way to encode text messages on a letter-by-letter basis by transmitting a series of tap (knock) sounds.
![Beyond The Concrete Veil | I use Morse Code, Locked in A Box, to Communicate with the Outside World - YouTube Beyond The Concrete Veil | I use Morse Code, Locked in A Box, to Communicate with the Outside World - YouTube](https://i.ytimg.com/vi/Gl2gr0zvJYg/maxresdefault.jpg)
Beyond The Concrete Veil | I use Morse Code, Locked in A Box, to Communicate with the Outside World - YouTube
![Vintage Communication Stock Photo - Download Image Now - Telegraph Machine, Coding, Machinery - iStock Vintage Communication Stock Photo - Download Image Now - Telegraph Machine, Coding, Machinery - iStock](https://media.istockphoto.com/id/462042009/photo/vintage-communication.jpg?s=612x612&w=0&k=20&c=3QzEDBNbDzc263_rdwMreY3MDqyOhpX9PycfB2bJ1qw=)