TELEPHONE

Before the invention of the telephone, a telegraph was a common way of sending messages. **__ Who invented it and when? __** In the 1870s, two inventors Elisha Gray and Alexander Graham Bell both invented the telephone. But Bell was the first to patent the telephone on March 7, 1876. Alexander Graham Bell was the first person to speak into the telephone. The first words ever spoken were to his assistant, “Come here Mr.Watson, I want to see you.”
 * [[image:telephone.jpg width="127" height="154" align="left"]]TELEPHONE [[image:telephone2.jpg width="120" height="119" align="right"]] **
 * By Miss McKenna **

** early 1870s ** While Alexander Graham Bell was experimenting with telegraph instruments, he realized it might be possible to transmit the human voice over a wire by using electricity. Bell's interest in electricity continued and he attempted to send several telegraph messages over a single wire at one time. ** March 7, 1876 ** Bell was the first to patent the telephone ** summer of ** **1877** the telephone had become a business. The first private lines, which typically connected a businessman's home and his office, had been placed in service. Bell, Sanders and Hubbard formalized their relationship by creating the Bell Telephone Company, As technology developed, we have seen the invention of cordless telephones and mobile phones. **__ What is it used for? __** Telephones are used to communicate with others. The first telephones were mainly used in businesses and later, telephones were placed in private homes. Today, telephones are used to communicate with people from all over the world. **__ What does it look like? __** A **cordless telephone** or portable telephone is a telephone with a **wireless handset** that communicates via **radio waves.** It has a **base station** connected to a fixed **telephone line**, usually within a limited range of its base station (which has the handset cradle). The base station is on the home premises, and attaches to the telephone network the same way a corded telephone does. The base station on home premises is the difference between a **cordless telephone** from a **mobile telephone**.
 * 1878 ** The initial telephone exchange opened in New Haven.

Unlike a corded telephone, a **cordless** telephone needs **electricity** to power the base station. The cordless **handset** is powered by a **rechargeable battery**, which is charged when the handset sits in its cradle. **__ How has it changed? __**

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