Как появился первый телефон : Thousand years ago, men could send massages over a long distance. The long distance communication changed in 1832 , when the electric telegraph was invented by the Russian scientists P.L.Shilling.People used a special cod to send massages of the telegraph.Some years latter telephone lines became longer and longer.The first telephone lines exchange opened in Moscow in 1882.Today we can talk across seas,oceans and continets. Наверно подойдет ?
