Title
Electronic switching systems no. 1 : arranged with 2-wire features
Catalog Number
102774939
Type
Document
Description
Items in this folder were originally bound. This folder contains multiple documents. All documents are labeled "AT&TCo SPCS."
Date
1970
Publisher
Bell Telephone Laboratories, Inc.
Category
Program Listing
Collection Title
Al Kossow collection
Credit
Gift of Al Kossow