Changes

===Foundations of the Bell System===

===Foundations of the Bell System===

The two patents issued to Alexander Graham Bell on his improvement to the telegraphy became the technological foundation in the development of the telephone while the Bell Patent Association served as the organization foundation of the Bell System.<ref>[http://www.porticus.org/bell/capsule_bell_system.html#Alexander Graham Bell and the Invention of the Telephone A Capsule History of the Bell System--The Corporation is Born]</ref>

The two patents issued to '''Alexander Graham Bell''' on his improvement to the telegraphy became the technological foundation in the development of the telephone while the '''Bell Patent Association''' served as the organization foundation of the Bell System.<ref>[http://www.porticus.org/bell/capsule_bell_system.html#Alexander Graham Bell and the Invention of the Telephone A Capsule History of the Bell System--The Corporation is Born]</ref>

===Guiding Principle of the Bell System===

===Guiding Principle of the Bell System===