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Visual Network Sent
In the Frenchman, Claude Chappe used a visual network to send a message ten miles away. The visual network consisted of a telescope, a clock, a codebook, and white and black panel. -
First non-electrical Telegraph
• The first non-electrical telegraph was made by Claude Chappe. -
Crude Telegraph
Samuel Sommering created the first-ever crude telegraph. -
US telegraph
The first US telegraph was made by Harrison Dyar. -
Long Distance Message Demonstration
Joseph Henry demonstrated the potential of William Strugeons electromagnet for long-distance communication. By sending an electric current over one mile of wire to activate an electromagnet, causing a bell to ring. -
Recording Electric Telegraph
Samuel Morse created the first recording electric telegraph. He used pulses of current to deflect an electromagnet, which moved a marker to produce written codes on a strip of paper. This led to the invention of the Morse Code. -
Panted Telegraph
William Cooke and Charles Wheatstone panted the Cooke and Wheatstone telegraph using the same principle of electromagnetism. -
Morse Gaining Support
Morse obtained a patent in the United States but split his patent right to gain the support of influential partners. -
Experiments by Morse
Morse obtained a $30,000 grant from Congress to build an experimental line between Baltimore and Washington.