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