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The date of birth of the first electric phone is widely considered to be February 14, 1876. That same day, his invention, a talking phone (an apparatus for transmitting sound over a distance by means of electric current) was registered in the Western Union Washington bureau by Alexander Graham Bell, a Scottish-born American scientist. Two hours later a patent for an 'Apparatus for transmitting and receiving vocal sounds telegraphically' was filed by I. Gray from Chicago. Later he would repeatedly legally contest Bell for recognition as the inventor of the telephone.

March 7, 1876 Alexander Graham Bell finally received his long-awaited patent. Surprisingly, the scientist made his discovery almost by accident: he was trying to invent, not a phone, but the 'harmonic telegraph' capable of transmitting several telegrams on the same wire as the telegraph lines at that time were overloaded.

Bell's handset served alternately for transmitting and receiving speech. Initially the A. Bell phone had no ringer, it being invented in 1878 by Bell's assistant T. Watson. Calling was made through a handset using a whistle. The telephone transmitted sound over short distances (only 500 meters) but the improvement of the invention allowed manufacurers to expand production and to produce better phones already.

Alexander Graham Bell first demonstrated his phone on June 25, 1876 at the first World Electrotechnical Exhibition in Philadelphia. It was then that the triumphant global march of this wonderful invention started.

In the beginning, however, telephone devices were far from perfect. Moreover, they were not suitable for everyday use because they required constant adjustment.