Artifact Details

Title

Electronic switching systems no. 1 : arranged with 2-wire features

Document Titles

Auto. message accounting data accumulation

Document Titles

Coin programs

Document Titles

Operator no test program

Document Titles

Operator programs - misc., outgoing to swbd and desks

Document Titles

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

Document Titles

Permanent signal and partial dial programs

Catalog Number

102774938

Type

Text

Date

1970-1971

Publisher

Bell Telephone Laboratories, Inc.

Identifying Numbers

Document number PR-1A140-14 Coin programs
Document number PR-1A141-14 Auto. message accounting data accumulation
Document number PR-1A143-12 Permanent signal and partial dial programs
Document number PR-1A146-12 Operator programs - toll sw., rec. compl., disc.
Document number PR-1A147-10 Operator programs - misc., outgoing to swbd and desks
Document number PR-1A148-10 Operator no test program

Description

Items in this folder were originally bound. This folder contains multiple program listings. All listings are labeled "AT&TCo SPCS."

Category

Program Listing

Collection Title

Al Kossow collection

Credit

Gift of Al Kossow

Lot Number

X6512.2012