telegraphy

n.

电信技术；超感；

wireless telegraphy无线电话；无线电报

1. He taught Edison railway telegraphy.
   他教爱迪生铁路电报技术。
2. Morse code was an early code in telegraphy.
   摩尔斯电码是在电报技术中一种早期使用的电码。
3. For a long time all his inventions had to do with telegraphy.
   在很长的一段时间里,他的所有发明都与电报系统有关。

Telegraphy
History of Telegraphy
Carrier Current Telephony and Telegraphy
Propagation of waves in wireless telegraphy
Multiplex cable code telegraphy with diversity reception
Effects of heat on wireless telegraphy operators hearing and recording Morse messages.
Thought communication and control: a first step using radiotelegraphy
System for the automatic establishment of a shortwave telegraphy signal connection
Historicizing Online Politics: Telegraphy, the Internet, and Political Participation in China by Yongming Zhou
From Machine Shop to Industrial Laboratory: Telegraphy and the Changing Context of American Invention, 1830-1920 by Paul Israel