The Evolution Of Telephone

Alexender Graham Bell invented the telephone over 100 years ago.

At first ,the telephone line were seperate lines that connected pairs of telephone.

At first,telephone line was sep up in boston in 1877.

The first , telephones line overhead line that placed on telephone poles or attached to racks on the rooftop.

The telephone lines was made up by iron or steel.

The lines were single and noisy.

In 1877,Thomas doulittle develop the process for hard drown copper wire.

In 1885,a hard drawn copper was set up between New York and Philadelphia.

In the end of the 19 th and the beggining of the 20 th century ,is the changes and the rapid expansion in the telephones industry.

the telephone went from being a novelty item that only a few could afford ,to what most consider a neccessity today.

Nowdays all the people were use a handphones,such as adults,teenegers even a kids.

we can use the handphones to connect the people around the world.