Artifact Details

Title

Electronic switching systems - No.1

Document Titles

Auto. message accounting data accumulation

Document Titles

Coin programs

Document Titles

Operator no test program

Document Titles

Operator programs - toll sw., rec. compl., disc.

Document Titles

Permanent signal and partial dial programs

Catalog Number

102774938

Type

Text

Date

1971

Publisher

Bell Telephone Laboratories, Inc.

Category

Program Listing

Collection Title

Al Kossow collection

Credit

Gift of Al Kossow

Lot Number

X6512.2012