jueves, 31 de julio de 2008

The History of the Telephone


The phone is very important in the actuality to communication with my family in all counties and knows your health.

Its history is:

In the 1870s, two inventors Elisha Gray and Alexander Graham Bell both independently designed devices that could transmit speech electrically (the telephone). Both men rushed their respective designs to the patent office within hours of each other; Alexander Graham Bell patended his telephone first. Elisha Gray and Alexander Graham Bell entered into a famous legal battle over the invention of the telephone, which Bell won.

In the actuality we have different marks and models to choose.


http://www.urbe.edu/

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