Pupin loading coils patented
Pupin loading coils patented
Lars and Hilda Ericsson retire from Ericsson
Lars and Hilda Ericsson retire from Ericsson
Fessenden achieves first wireless voice transmission
Fessenden achieves first wireless voice transmission
First dial telephones introduced
First dial telephones introduced
First transatlantic wireless transmission
First transatlantic wireless transmission
Western Electric Hawthorne Works opens in Chicago
Western Electric Hawthorne Works opens in Chicago
De Forest Audion triode invented
De Forest Audion triode invented
AT&T acquires struggling independent telcos, funded by J.P. Morgan
AT&T acquires struggling independent telcos, funded by J.P. Morgan
John J. Carty becomes AT&T chief engineer
John J. Carty becomes AT&T chief engineer
Theodore Vail returns to AT&T as President, backed by J.P. Morgan
Theodore Vail returns to AT&T as President, backed by J.P. Morgan
AT&T buys Western Union controlling interest, gaining access to its network
AT&T buys Western Union controlling interest, gaining access to its network
