the led to the invention of the telephone

On march 3 1847, Alexander Gramham Bell was born in Edinburgh . He was a Scotsman although he later emigrated , first to Canada and then to the USA in 1870s 

In America,he worked with deaf-mute at Boston University. Soon, Bell started experimenting with ways if transmitting  speech over a long distance. This led to the invention of the telephone 

Bell and his assistant , Thomas Watson , conducted many experiments and finally came up with a device which they first introduced in 1876 . Bell said on the telephone :'Mr.Watson ,come here ,i want you' . This was the first telephone message .

Traveling all over America , Bell demonstrated his invention to the public at countless exhibition ,and  by 1887 the first telephone was in commercial use. :))