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Earlier long distance telegraphy was used from 1792 through semaphore lines or optical telegraphs. However electrical telegraphs were commercially introduced in 1837. Samuel Morse developed the Morse Code which was the basic language of telegraphy.
What else can I help you with?
Who invented the electrical telegraph?
Samuel Morse invented the electric telegraph.
When was the telegraph ivented?
The telegraph was invented in 1794 By Claude Chappe.
What was invented first telegraph neon lamp motorized vacuum cleaners or airplane?
telegraph was invented first...if question doesn't mean wireless telegraph
What country was the first telegraph invented?
the telegraph was invented in pennsylvania in 1836 but it wasnt succesful till 1837.
What country was the single wire telegraph invented in?
The telegraph was invented in Boston, Massachusetts.
Can a telegraph be wireless?
Yes a telegraph can be wireless. Thomas Edison invented the first wireless telegraph
Who invented that telegraph?
Thomas
Did bell invent the harmonic telegraph?
yes,he invented harmonic telegraph
Did Samuel Morse invent the telegraph?
Yes Samuel Morse invented the telegraph. He also invented the morse code
What date was the telegraph invented?
it was invented in the 1830's
When were the first telegraph cables invented?
They were invented in 1944.
When were telephones invented and when?
the telegraph was invented in 1794 and the telephone was invented in 1847
