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: The 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)
Logo: We see multiple outlines of the Bell System logo in different colors on a black background. They then form into one in blue outline. It stands up and it flips, making the logo entirely blue. While it's happening, text in white shows up, which are the following:

Finally, we see the Bell System logo.
 * 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

Variantː More than once, it's abridged to only show the final product.

FX/SFX: The animation for the Bell logo and the text, which are in 2D Animation.

Music/Sounds: Multiple telephone beeps, as well as catchy music.

Music/Sounds Variantː Sometimes, an announcer can be heard.

Availability: Very Rare. Only seen on commercials/programs at the time.