So people can talk more quickly and efficiently. Better Then Pony Express
The telegraph was useful by sending messages quicker than by horseback.
It introduced the technology that led to the invention of the telephone.
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.
A telegraph?
telegraph
Um, a telephone??
telegraph
The 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.