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The non-electric telegraph was invented by Claude Chappe in 1794. This system was visual and used semaphore, a flag-based alphabet, and depended on a line of sight for communication. The optical telegraph was replaced by the electric telegraph, the focus of this article.
In 1809, a crude telegraph was invented in Bavaria by Samuel Soemmering. He used 35 wires with gold electrodes in water and at the receiving end 2000 feet the message was read by the amount of gas caused by electrolysis. In 1828, the first telegraph in the USA. was invented by Harrison Dyar who sent electrical sparks through chemically treated paper tape to burn dots and dashes.
What else can I help you with?
What organization was Samuel Morse founder?
Samuel Morse was the co-founder of the Morse code and the inventor of the single-wire telegraph system.
How telegraph chaneged?
telegraph changed to internet
When was telegraph?
Telegraph-Journal was created in 1862.
Can a telegraph be wireless?
Yes a telegraph can be wireless. Thomas Edison invented the first wireless telegraph
Who are the owners of the Daily Telegraph UK?
The Barclay brothers puchased the Telegraph Group , which included the The Daily Telegraph, Sunday Telegraph and The spectator, from Hollinger in 2004.
How was electricity sent across the country?
The telegraph.
How do you make a Morse code machine?
HOW THEY MADE A MORSE CODE MACHINE Samuel F.B. Morse and Alfred Vail developed an electric telegraph which sent pulses of electrical current to control an electromagnet that was located at the receiving end of the telegraph wire.
What is a telegraph circuit?
A telegraph circuit is an electrical circuit attached to a telegraph. This circuit is incomplete until the telegraph is connected, allowing for the Morse-code messages by tapping the circuit closed.
Where can one subscribe to the Evening Telegraph online?
For Telegraph readers who are wishing to subscribe online to the Evening Telegraph they could subscribe by going to their local online Evening Telegraph website.
Which development brought an end to the Pony Express?
The telegraph is what ended the Pony Express
Where can you find info about the telegraph?
http://en.wikipedia.org/wiki/Telegraph
Use telegraph in a sentence?
Telegraph poles to stop debris
