Bell meets leather merchant Thomas Sanders (who has a deaf son) becoming close friends
Bell moves to Boston to teach deaf students, and begins intense audio experimentation
Bell meets Gardiner Hubbard at the Clarke Institution for the Deaf
Bell and Watson start working together at Williams' shop
While vacationing in Canada, Bell conceives how speech could be sent over telegraph wires
Bell reveals his work on the harmonic telegraph to Hubbard and Sanders, who agree to fund his efforts
Alexander Graham Bell realizes sound can be transmitted as a continuous electrical wave.
Bell uses a bi-directional "gallows" telephone to transmit "voice-like sounds"
Bell pitches his harmonic telegraph to Western Union's Orton, who declines
Bell Patent Association formed so Sanders and Hubbard can share in proceeds from Bell's patents
Bell completes the specifications for his telephone patent application
Feb 14, 11:30am: Alexander Graham Bell's lawyer files his telephone patent
Mabel insists Bell go to the U.S. Centennial Exhibit in Philadelphia, where his phone is a huge hit
Patent #174,465 for the telephone is issued to Bell
Bell and Watson stage public telephone exhibitions
Bell marries Mabel Gardiner Hubbard
Bell's box phone goes into service
Bell patents transfers 75% of his Canadian patent rights to his father
Bell turns his focus to the Photophone
Bell ends technical role at Bell Telephone, establishes Volta Laboratory
National Telephone Co formed by merger of Bell and Edison interests
First New York to Chicago phone call
First transcontinental phone call (between Bell and Watson)