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What is the harmonic telegraph and how does it work?
"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.
What came first the telegraph or the telephone?
Telegraphy was discovered First and then Telephony was discovered much later by Alexander Graham Bell.
Who changed the way people communicated in the late 1800s?
The two inventions that changed the way Americans communicated in the 1800's are the telephone and telegraph.
What were some of the American inventions after the 1800s?
the sewing machine, telegraph, steel plow, telephone, generator, bessemer steel process....etc
How did people communicate in 19 th century?
trains, trolly, and most popular, Bicycles.
What do telegraph and telephone have in common?
They Both are used to communicate.
When was the American Telephone and Telegraph Company created?
The American Telephone and Telegraph Company was created in 1885
What is the symbol for Nippon Telegraph and Telephone Corporation in the NYSE?
The symbol for Nippon Telegraph and Telephone Corporation in the NYSE is: NTT.
What happened to the telegraph?
Inventors throughout history evolved the telegraph into the telephone.
What came after the telegraph?
Welll.... the telegraph replaced the pony express then the telephone replaced the telegraph. and now a days texting has replaced the telephone.
What was used prior to the telephone?
telegraph
What is a voice telegraph?
Um, a telephone??
What has the telephone made obsolete?
telegraph
What came before the telephone?
The telegraph
What is most related to the telephone?
A telegraph?
What has the author Louis Casper written?
Louis Casper has written: 'Telephone and telegraph cables' -- subject(s): Telegraph cables, Telephone cables
What form of communication followed the telegraph?
The telephone followed the telegraph in terms of communication technology.
