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Check out the TCI YouTube channel .
See the video of the 1994 TCI show in St. Louis -- provided by Steve Schack.
Don't forget to subscribe to our TCI PhoneVideos YouTube Channel!
Use "Contact Us" to report anything that doesn't work or is confusing. Tell us what you like, what you don’t like, and make any suggestions for future additions (to be added to our already long wish list). Constructive comments are always welcome.
Thanks,
The TCI Library Administrators
- Paul Wills, Remco Enthoven and Paul Fassbender
Major TCI Library Sections
- Bell System Practices
- Index Documents
- Handbooks
- Early AT&T Specifications
- BSPs: Letter-coded
- BSPs: Numeric Division Numbers
- Canadian Practices
- Bruce Crawford Switching Library
- WEco Switching Documents
- SDs and CDs
- Manufacturer Catalogs and Data Sheets
- Wiring Diagrams
- Catalogs, Manuals and Educational Documents
- Employee Publications
- Marketing Brochures
- Training Manuals
To browse the Library by category, start with Browse the Library in the Black Menu Bar above and select Document Repository.
When searching, watch for these formats and abbreviations in document titles:
BSPs - e.g. C38.904NY_iA_Oct58_Keysets_Receiver_Amp
- NY - New York (Operating Company)
- i1 - issue A
- Oct58 - Publication Date (October 1958)
- Following words are search keywords based on the document name
Catalogs and booklets - e.g. 1923 WE Catalog 5 - Telephone Apparatus and Supplies T-667-A
- 1923 - Date
- WE Catalog 5 - Catalog Number
- Following words are search Keywords based on the document name
Articles in documents - e.g. 65jun_BLR_p214_No1_ESS
- 65jun - Date
- BLR - Publication Name (Bell Labs Record)
- p214 - Start page
- No1 ESS - Article Title (abbreviated)
TCI Members Only Documents (MOD)
In addition to documents in the Library, TCI Members can access documents that were contributed to TCI with the restriction that they are made available to TCI Members only, and are not to be posted on any publicly available web site.
Most are large manufacturer catalogs, restricted distribution documents or files that have had extensive processing by TCI volunteers, such as page straightening, clean-up and OCR.
The MOD area is accessed from the Members Area menu entry on the TCI site or the Members Only Docs link under TCI Sites in the menu above on this page.
Not a member?
BSTJ Archive
Check our our comprehensive index with hotlinks to articles in the Bell System Technical Journals published from 1922-1983, provided by Sam Etler. Follow the BSTJ Archive link under "Browse the Library" in the black menu bar above.
You can do an on-page search by keyword (usually initiated in a browser using Control-F), then click to pull up the complete issue.
Go to the BSTJ Archive
Telezonia and Teletrainers
Check out the 1964 Teacher's Guide and Student's Guide for Telezonia -- the Bell System's program to educate elementary school students in how to use the telephone. The program started in 1950 and used several generations of Teletrainer hardware. Paul Fassbender and John Novack have collected BSPs for many of them. Find them with a simple search for "teletrainer" Also check out articles in the October 2018 Singing Wires and on
Call-a-matic Automatic Dialers
First there was the 1671, then the 2671. Find out the differences in the BSPs and read about the history in a Bell Labs Record article. Simply search for "Call-a-matic"
Reference pages for Kellogg, Stromberg Carlson and Select-O-Phone
The TCI Library hosts the web sites created by Mike Neale. Check them out for downloads of technical and marketing literature. Pages open in a new window.
Site links can also be found under TCI Sites in the black menu bar on each TCI Library page.
Note that the documents on these sites are currently NOT found using the TCI Library's search feature. We hope to add them to the Library as volunteer time and priorities permit.