When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Original vintage AT&T Bell System Practices technical documentation (total of 38 different) housed in a plain white three-ring binder.
This collection contains an assortment of original Bell System engineering, installation, operating, and maintenance publications dating from the 1930s through the early 1980s focusing on Battery & Power topics.
These technical documents were prepared for use by telephone company engineers and technicians responsible for maintaining the equipment and infrastructure of the Bell System.
Subjects represented include:
* Bell System central office equipment and infrastructure
* No. 1 and No. 1A Electronic Switching Systems (ESS)
* Telephone switching equipment and associated components
* Lead-acid and nickel-cadmium storage batteries
* Central office battery charging and maintenance
* Western Electric BELLCELL battery systems
* Emergency power and uninterruptible power supplies
* Battery corrosion, inspection, and replacement procedures
* Technical specifications, diagrams, illustrations, and operating procedures
Some of the earliest documents date to 1934, with additional material from the 1940s, 1950s, 1960s, 1970s, and early 1980s.
Includes AT&T Bell System Practices standard publications and Pacific Northwest Bell documentation.
An interesting collection of original telecommunications engineering history, documenting technologies used throughout the Bell System during much of the 20th century.
Condition: Vintage used condition with expected age-related wear, discoloration, handling marks, and possible handwritten notations. Documents are housed in a three-ring binder. Individual section completeness has not been verified. Please examine all photographs for contents and condition.
Sold as one vintage technical documentation collection, exactly as pictured.
