“Ever Seen Your Telephone Switchboard?” (May, 1939)
“Ever Seen Your Telephone Switchboard?”
It’s a fascinating sight â€” the inside of a telephone central office where your telephone may be connected with the whole Bell System.
Would you like to know more about the telephone and what happens when you make a call?
Your Bell Telephone Company will be glad to show you. Visitors are welcome and we believe you will have a most interesting time. Why not call the Business Office and arrange a visit?
BELL TELEPHONE SYSTEM
You are cordially invited to visit the Bell System exhibit at Golden Gate International Exposition, San Francisco