In the 19th century, the harnessing of electricity brought about the means to transmit signals via electrical telegraph.
It was also connected to the rest of the world via telegraph during this time.
The warnings were communicated to potentially affected areas via mail, telegraph, and other forms of communication.
Broadcasting of sports started with descriptions of play sent via telegraph in the 1890s.
The system was designed to be operated remotely via wireless telegraph.
St Helena Island was not connected to the mainland via telegraph.
When there is danger, his fellow signalmen alert him via telegraph and alarms.
Communicating with the outside world (including series consultants) only through the postal service at the remote country store, or via telegraph.
Most of the pool halls in 1870s Pittsburgh also broadcast horse races via telegraph.
Donald was able to correspond via telegraph, and gave her solid advice, much of which Bertha rejected.