Um, a telephone??
The telegraphony invented by Granville T Woods in 1885 was a combination of a telephone and telegraph which allowed a telegraph station to send voice and a telegraph message over a single wire.
The Telegraph Required Wires The Radio Did Not
The telephone was invented as an evolutionary setup from the telegraph, naturally Alexander Graham Bell wondered if there was a way to transfer his voice through interconnecting cables like the telegraph.
Yes he invented the telegraph that can transport voice and sound from a long distance away. :)
the first to patent the wireless telegraph was Marconi. his system used spark gap transmitters and coherer detectors. it was not until effective vacuum tubes were invented that voice could be sent on radio.
telegraph changed to internet
Telegraph-Journal was created in 1862.
Yes a telegraph can be wireless. Thomas Edison invented the first wireless telegraph
The Barclay brothers puchased the Telegraph Group , which included the The Daily Telegraph, Sunday Telegraph and The spectator, from Hollinger in 2004.
The telegraph is a communication device that transmits messages using electrical signals over wires, while the telephone is a device that transmits voice conversations over wires or wirelessly. The key difference is that the telegraph communicates using coded messages, while the telephone allows for real-time spoken conversations.
The telegraph.
HOW THEY MADE A MORSE CODE MACHINE Samuel F.B. Morse and Alfred Vail developed an electric telegraph which sent pulses of electrical current to control an electromagnet that was located at the receiving end of the telegraph wire.