-
Pre- Telegraph:Leters by horse
Prior to the telegraph, the only way to deliver long-distance messages was by mail, and the fastest mail was by horse. The idea of using horses was great because it made mail faster, but mail was not fast enough to deliver messages where information would need to be passed along within the same day. -
Samuel Morse: the telegraph
Samuel Morse submits his patent sometime durring this year. Because of the revatively slow nature of the mail system, Morse was upset that he did not hear of his wife's illness in time to be there when she died. He soon began work on a near-instant communication system -
Problem: Solution
Morse had two problems with his device, both of witch were fixed by other people. The first was that he could not transmit messages over long distances. This was fixed when Professor Leonard Gale helped Samuel add relays, small devices that take the weak signal at the end of a wire and make it larger, giving it the chance to go farther. -
Problem two
The second problem was that Morse's code required the person at the other end to look up every word. A man named Alfred Vail fixed this by asinging individual letters codes, requiring only the 26 letters of the alphabet instead of the ever-expanding list of words in the english language. The most common leter, e was given the eaisiest code, a single dot -
Alexander Graham Bell: The Telephone
Alexander made the first sucsessful trial run of what would become the telephone on this date -
Modern Telegraph: Cell phones
The modern version of the telegraph is the cell phone, which uses inaudible sound waves to transmit a signal. this signal is tranfered to a reciever on the other end of the line, and is converted into sound. People can now talk to each other on different sides of the globe instantly