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

Document

Description

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

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

Category

Program Listing

Collection Title

Al Kossow collection

Credit

Gift of Al Kossow

Lot Number

X6512.2012