No, they are very different, though related. A telegraph worked with sending code using a simple on/off ability. A telephone converts sound waves into a signal that can be transmitted on a wire and then converting it back again.
Today, the digital telephones are actually pretty much transmitting the information using an on/off ability rather than analog waves.
The American Telephone and Telegraph Company was created in 1885
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
The telegraph
A telegraph?
Louis Casper has written: 'Telephone and telegraph cables' -- subject(s): Telegraph cables, Telephone cables
The telephone followed the telegraph in terms of communication technology.