314 pages. Numerical and Classified Checking List. Some entries with BSP references. KS-Specification List.
Contributed by Sam Etler. Pagination and Bookmarks by Paul Fassbender.

The Reporter, Bell Telephone Laboratories, June 1957. The history of the Holmdel, NJ site before the construction of the large BTL complex in the early 1960s. Contributed by Paul Fassbender.

Undated. Includes receding door type and booth numbered 5, 6, 8, 15, 17, 20, 21, 22, 23, 31, 36, 40, and 48. Contributed by Doug Duffy.

Basic configuration and operation for Telepatcher models added to WE 555 and 557-type switchboards. Not dated. Contributed by Jeremy Walters.

"Telepatcher circuit enables attendant to extend an incoming call to any other primary line or trunk, or to provide a three-point conference call."

Scanned and processed by Remco Enthoven | Contributed by Fred Haynes

Blast Detector Function Description
For Underground L-3 Coaxial Cable Buildings
American Telephone & Telegraph
Long Lines Division
August 1966
Paris RS, Missouri

24 pages. "This public telephone instruction card manual introduces the first universally applicable standard for language, graphics, and overall card design." OCR and bookmarks by Paul Fassbender.

40 pages. March 1978 with product name updates from 78, 80, 82 and 83. OCR and Bookmarks by Paul Fassbender.

Version 2023-06-25. This chart documents the history of Western Electric dial generations of the lineage started by Oscar Forsberg in 1915. It traces the history of apparatus codes through generations No. 1 to 6.  The apparatus codes also trace the application area of each dial type.
This is a work in progress, a snapshot, and will be updated as new information and documentation continues to emerge.

Created and contributed by Karl Brose.

This document is covered by Creative Commons Attribution-ShareAlike 4.0 International Public License. For details, click on the link in the lower right corner of the pdf.

Note: Prints best on 11x17" paper. Printing on 8.5x11" paper results in very small font size.
Most Windows print drivers allow "poster" printing on multiple 8.5x11" pages. For example, to print on two pages, which may be taped together:
    Select: Print / Paper Size & Handling / Poster / Tile Scale: 125% / Landscape

Scanned and processed by Remco Enthoven - From the Collection of the JKL Museum of Telephony

Scanned by Valerie Flores | From the Collection of the JKL Museum of Telephony

Traffic Operating Practice, Division C, for use at Traffic Service Positions ( TSPS )

PRINCIPLES OF OPERATING AT THE TRAFFIC SERVICE POSITION

Scanned by Valerie Flores - From the collection of the JKL Museum of Telephony

INSTRUCTIONS for operating PRIVATE BRANCH EXCHANGE SWITCHBOARDS (Cordless Type)
When Connected with a Dial Central Office (Step-by-Step)

THE BELL TELEPHONE COMPANY OF PENNSYLVANIA AND ASSOCIATED COMPANIES - 1922

Shows a WE #2 JMRW  dial. The #2 dial on a deskstand would necessarily be a #2AE dial.
The cordless switchboard shown is a 505C PBX.

April 1939. THIS IS A SINGLE-STAGE AMPLIFIER USED IN CONNECTION WITH A 321A, 321B OR 321C TELEPHONE SET IN THE NO. 2A KEY TELEPHONE SYSTEM PER DRAWINGS SD-69103-011 AND SD-69103-012. Contributed by Steve Cichorsky.

Title: "We Learn About the Telephone"

NOTE TO THE TEACHER AND PARENTS: This booklet is associated with "Telezonia," a communications and telephone program for the lower elementary grades which has been prepared with the guidance of elementary educators. The booklet's aim is to teach children how to use the telephone effectively, and something of the science, history and social significance of communications.

Find other Telezonia items in the Library. Contributed by Colby Cuthbertson.

"Service Through Sales" Handbook - Oregon Plant Dept. - July 1955

Small booklet with 5" x 3" pages showing available equipment. Including early colored 500 sets and Continental and Imperial models.

scanned by: Remco Enthoven

From the collection of the JKL Museum of Telephony

11MB. 365 pages. Preface by C. L. Lovell, Bell Labs, PRIVATE EDITION, Morris, IL Electronic Central Office, Trial Installation. Contributed by Astrid Smith, Connections Museum. Missing page supplied by Steph Kerman and integrated by Karl Brose.

22 pages. Includes transmitters, microphones, and short wave radio receivers. Contributed by Steve Cichorsky.

FAQ: Why aren't Touch-Tone telephone buttons arranged the same way as those on most adding machines? Contributed by Paul Fassbender.

Your AT&T Private Pay Phone Plus is a coin-operated telephone with the capabilities of the coin-operated telephones owned by your local telephone company. The difference is that the profit is yours. You decide where the phone will be mounted, how it will be mounted, and how much it will charge for local and long distance calls. The AT&T Private Pay Phone Plus may be connected to most local telephone services as if it were a residential telephone. Contributed by John Novack.

From the collection of the JKL Museum of Telephony / American Museum of Telephony | scanned by Remco Enthoven

From the collection of the JKL Museum of Telephony / American Museum of Telephony | scanned by Remco Enthoven