The difference is it take wire less reciver
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.
Telegraph can only communicate by an on/off method (Morse code), whereas telephone can communicate a complex waveshape. Interestingly, that means that digital communication preceeded analog.
The telephone and the telegraph
The American Telephone and Telegraph Company was created in 1885
"i think it is an early form of a telphone."No, it is not an early form of a telephone. It was invented after the telephone was. The harmonic telegraph was an improvement with the telephone, regarding the number of dots and dashes between the tones it created. It was invented by Elisha Gray in 1874.
The symbol for Nippon Telegraph and Telephone Corporation in the NYSE is: NTT.
Inventors throughout history evolved the telegraph into the telephone.
Welll.... the telegraph replaced the pony express then the telephone replaced the telegraph. and now a days texting has replaced the telephone.
Both use electricity and radio waves to communicate.
telegraph
Um, a telephone??
telegraph