Chapter 14 IMPROVEMENT AND EXPANSION

The First Telephone Exchange-The Bell Telephone

Association-Theodore N. Vail-The Fight with the Western

Union-Edison and Blake Invent Transmitters-Last Effort of the

Western Union-Mushroom Companies and Would-be Inventors-The

Controversy with Gray-Dolbear's Claims-The Drawbaugh Case-On a

Firm Footing.

Through public interest had b