The Telephone

Ali Gentry, Haris Rafiq, Rafay Ali - 2nd Period


The telephone, invented by Alexander Graham Bell, is a system that converts acoustic vibrations to electrical signals so that sound can be transmitted over a long distance using a wire or radio.


Although the telegraph itself was an extraordinary innovation in communication, it could only send one message at a time; the telephone elevated long-distance communication and revolutionized the transfer of economic, political, and social information. The concept of the telephone, developed primarily in Germany, was formally invented by Alexander Graham Bell and transported to Britain. The telephone increased the efficiency of communication, allowed for better coordination of finances, and faster flow of vital breaking news across Europe. Coupled with rapid industrialization, urbanization, and specialization, the telephone complimented increasingly diversified and compartmentalized economies. With more rapid transportation of direct orders, militaries would also benefit from such a monumental invention, especially considering the political dynamicism and instability of Europe historically.


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“Sometimes we stare so long at a door that is closing that we see too late the one that is open.” —Alexander Graham Bell


  • Gained knowledge through several experiments in sound and working with the deaf

  • His mother and wife were deaf, which greatly influenced his life work

  • Worked with Thomas Watson on the creation of the first practical telephone

  • Held 18 patents by himself and shared 12 patents with collaborators

  • Born in Scotland, but moved to America in 1871 to begin work on a device that would allow for telegraph transmission of several messages at once (a telephone)
This Is Alexander Graham Bell's Voice