Produced by Bray Studios in the early 20th century, the film provides a straightforward, accessible overview of telephone technology as it existed in the 1920s.

Hearing the sound, Bell believed that he could solve ... Watson, come here. I need you." The telephone patent is one of the most valuable patents ever issued. Bell had other inventions as well ...

He had simply heard an unusual sound coming over the telegraph wire and called his assistant, Thomas A. Watson, to ask what he had done. Nevertheless, the telephone, which the two men proceeded to ...

Bell became a professor of sound for Boston University's School ... Bell was granted a telephone patent on March 7, 1876, beating out Illinois-based scientist Elisha Gray, who also was working ...