Bell System

Background
The Bell System was a system of companies led by the Bell Telephone Company and later by AT&T, which dominated the telephone services industry in North America for 100 years, from its creation in 1877 until its antitrust breakup in 1983.

1st Logo (1940)


Logo: TBA.

FX/SFX: TBA.

Music/Sounds: The closing theme of the short.

Availability: Extinct.

2nd Logo (1958)


Logo: TBA.

FX/SFX: TBA.

Music/Sounds: Opening theme to the film.

Availability: Extinct.

3rd Logo (1960)


Logo: TBA.

FX/SFX: TBA.

Music/Sounds: An announcer saying the following words: "The Bell Telephone System brings you another of its series of programs on science, man's effort to understand nature's laws."

Availability: Extinct.

4th Logo (1970-1983)
Logoː We see multiple outlines of the Bell System logo in whatever color on a black background. They then form into one in blue outline. It stands up & it flips, making the logo entirely blue. While it's happening, text in white shows up, which are the followingː


 * Bell of Pennsylvania
 * C&P Telephone
 * Ohio Bell
 * New England Telephone
 * New Jersey Bell
 * Indiana Bell
 * Southern New England Telephone
 * Pacific Telephone
 * Michigan Bell
 * Pacific Northwest Bell
 * Southern Bell
 * Nevada Bell
 * South Central Bell
 * New York Telephone
 * Mountain Bell
 * Cincinnati Bell
 * Wisconsin Telephone
 * Northwestern Bell
 * Illinois Bell
 * Diamond State Telephone
 * Southwestern Bell
 * Western Electric
 * Bell Labs
 * Long Lines
 * AT&T Finally, Bell System.

FX/SFXː The animation for the Bell logo & the text.

Music/Soundsː Multiple telephone beeps, as well as catchy music.

Avaiabilityː Only seen on commercials at the time.