+Telegraphy is the long-distance transmission of messages using coded signals, often electrical. It pioneered near-instant [Communication](/wiki/communication), linking distant points with unprecedented speed. This technology transformed the world before the advent of [Radio](/wiki/radio).
+## See also
+- [Morse Code](/wiki/morse-code)
+- [Telecommunication](/wiki/telecommunication)
+- [Electricity](/wiki/electricity)
... 1 more lines