telegraphy
1.Thomas Edison invents multiplex telegraphy.
2.A message transmitted by wireless telegraphy.
3.Morse code was an early code in telegraphy.
4.Telegraphy in which messages are transmitted by radio instead of wire.
5.Telegraphy by Samuel F. B. Morse. Morse invents American Morse Code.
6.Wireless telegraphy, the phonograph and the radio are based on this law.
7.In a telegraphy system, a pulse(often+80V) that represents a1-bit.
8.The sound,image,or message transmitted or received in telegraphy,telephony,radio,television,or radar.
9.1937 Guglielmo Marconl, Italian physicist and pioneer in the use of wireless telegraphy, died in Rome.
10.The sound, image, or message transmitted or received in telegraphy, telephony, radio, television, or radar.

