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Publications and Educational Documents (by Date)

Organized by year of publication (if known).

Categories

Bell Laboratories Record Magazine

Bell Laboratories Record Magazine ( 278 Files )

See Chuck Hensley's comprehensive index to articles in the BLR in the folder below.  It can be used to locate articles to research, whether found in the TCI LIbrary or elsewhere.

Chuck has offered to scan a limited number of pages from his collection (at his convenience).  Send requests using the "Contact Us" link in the Menu Bar above.

HINT:  Search for "BLR" followed by a topic keyword to find a series of related articles.  Use alphabetic sort to display them in chronological order.  e.g.  BLR PBX  or  BLR Picturephone.

When posted, complete scanned BLR issues were available here:
  http://www.americanradiohistory.com/Bell_Laboratories_Record_Issue_Key.htm

Documents

Order by : Name | Date | Hits | [ Ascendant ]

Telephone Book PTT - Avalon, CA - Jul71 Ocr Telephone Book PTT - Avalon, CA - Jul71 Ocr

Date added: 06/15/2014
Date modified: 06/15/2014
Filesize: 3.97 MB
Downloads: 2974

Contributed by Steve Cichorsky.  Ocr by Clint Gilliland.

Magneto System Diagram Magneto System Diagram

Date added: 08/11/2010
Date modified: 11/06/2013
Filesize: 4.47 MB
Downloads: 2173

One page publication: 'How a Small Telephone System is Operated'

From "Western Electric News," page 3, January 1, 1913.

Explains how a magneto switchboard works, tells about jacks, plugs, cords, drops etc.

53nov PTM - San Franciscos Last Manual Exchange 53nov PTM - San Franciscos Last Manual Exchange

Date added: 11/10/2011
Date modified: 08/27/2014
Filesize: 6.52 MB
Downloads: 1892

1953, Pacific Telephone Magazine. Contributed by Steve Cichorsky.

Bell PUB 41803 Oct72 - Acoustic and Inductive Coupling Ocr R Bell PUB 41803 Oct72 - Acoustic and Inductive Coupling Ocr R

Date added: 03/17/2013
Date modified: 03/17/2013
Filesize: 5.42 MB
Downloads: 1762

Acoustic and Inductive Coupling for Data and Voice Transmission. October 1972.  Shows G- and Trimline handset dimensions.  F-58654 Coupler Test Set.  Contributed by Clint Gilliland. 

20apr Bell Telephone News - Chicago TelCo - Machine Switching Ocr R 20apr Bell Telephone News - Chicago TelCo - Machine Switching Ocr R

Date added: 03/07/2014
Date modified: 03/07/2014
Filesize: 5.32 MB
Downloads: 1685

April 1920. Chicago Telephone Company. Feature article on Machine Switching in the Bell System.  Contributed by Steve Cichorsky. OCR by Clint Gilliland.

Pentagon PBX ~ 1942 Pentagon PBX ~ 1942

Date added: 01/25/2010
Date modified: 04/05/2011
Filesize: 1.47 MB
Downloads: 1405
November 28, 1942, Telephony (special issue).  "World's biggest PBX" serves 20,000 phones.  Only 10 jacks per 100 lines.  (Contributed by Steve Cichorsky.)

MichBell 1955 - Electricity For The Telephone Man G4opt MichBell 1955 - Electricity For The Telephone Man G4opt

Date added: 11/19/2014
Date modified: 11/19/2014
Filesize: 3.83 MB
Downloads: 1237

Contributed by Greg Gobel.  OCR by Karl Brose.

BTL History: The Early Years (1875-1925) - 1975 - Extract - Ocr-op-r BTL History: The Early Years (1875-1925) - 1975 - Extract - Ocr-op-r

Date added: 04/25/2014
Date modified: 04/25/2014
Filesize: 3.19 MB
Downloads: 1203

A History Of Engineering and Science In The Bell System - The Early Years (1875-1925).  Includes Table of Contents, References, Credits and Index.  Bookmarked. Contributed by Steph Kerman.

Fundamentals Of Equipment Engineering EB 2.50 Jan54 Fundamentals Of Equipment Engineering EB 2.50 Jan54

Date added: 07/21/2013
Date modified: 07/21/2013
Filesize: 2.44 MB
Downloads: 1184

Contributed by John Novack.

39jul BTL Monograph B-1166 Cold-Cathode Gas-Filled Tubes 39jul BTL Monograph B-1166 Cold-Cathode Gas-Filled Tubes

Date added: 08/06/2011
Date modified: 08/06/2011
Filesize: 3.45 MB
Downloads: 1184

61dec PTM P8 A New Voice On The Farm Interphone Ocr R 61dec PTM P8 A New Voice On The Farm Interphone Ocr R

Date added: 01/14/2014
Date modified: 01/14/2014
Filesize: 4.02 MB
Downloads: 1122

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

500 Set Design - 1949 500 Set Design - 1949

Date added: 11/19/2009
Date modified: 06/06/2012
Filesize: 1.44 MB
Downloads: 1113
Notes on the Discussions at the Conference of Bell System Lecturers, May 1949.  Detailed description of the new 500 set -- features and internal components. Introduction year.  Interesting speculations on possible future directions.

Telezonia Teachers Guide, 1964 - Three Wall Charts Telezonia Teachers Guide, 1964 - Three Wall Charts

Date added: 07/13/2014
Date modified: 07/14/2014
Filesize: 1.13 MB
Downloads: 1030

The three wall charts extracted for quick reference from the 1964 Telezonia Teacher's Guide.

60dec LongLines ATT R 60dec LongLines ATT R

Date added: 02/10/2015
Date modified: 02/10/2015
Filesize: 8.33 MB
Downloads: 1005

Includes articles on the Morris Electronic CO and cord winding.  OCR by Clint Gilliland.

1947-50 - 500 Telephone Pre-introduction Planning Memos Ocr 1947-50 - 500 Telephone Pre-introduction Planning Memos Ocr

Date added: 09/19/2013
Date modified: 09/19/2013
Filesize: 2.29 MB
Downloads: 1004

Several internal memos discussing transmission and zoning implications of the new 500-type sets.  Includes a mention of the 4,000 unit 1949 trial and projected production quantities for the 500B:  50Q2 - 23K, 50Q3 - 49K and 50Q4 - 49K; and for the 401B: 50Q4 - 20K.  Price for a 500B = $14.30.  Also see AB43.910  Contributed by Clint Gilliland.

Telezonia Teachers Guide 1964 Ocr Telezonia Teachers Guide 1964 Ocr

Date added: 07/13/2014
Date modified: 07/13/2014
Filesize: 7.04 MB
Downloads: 977

"A communications and telephone program for lower elementary grades." Emphasis: language arts, social studies and science.  Uses Teletrainer hardware so students can practice telephone skills. "Role-playing with the Teletrainer stimulates interest in the communications unit, develops listening and speaking skills, and provides opportunities for teaching social studies and science." Contributed by John Novack.

Western Electric .- Hawthorne - Its Life And People ... Western Electric .- Hawthorne - Its Life And People ...

Date added: 08/26/2010
Date modified: 08/26/2010
Filesize: 11.72 MB
Downloads: 929

Manual Switchboards Manual Switchboards

Date added: 01/07/2010
Date modified: 01/07/2010
Filesize: 1.21 MB
Downloads: 905

The Reel Romance Of The Telephone In Movies The Reel Romance Of The Telephone In Movies

Date added: 04/15/2014
Date modified: 04/15/2014
Filesize: 4.13 MB
Downloads: 900

50 pages.  Undated, but certainly before 1955 when C&P of Baltimore City became C&P of Maryland.  Several of the films were made in the late 1920s and can be found on youtube or the AT&T site.  Contributed by John Novack.

BSTJ Jul79 - TSPS Operator Training Facilities Ocr BSTJ Jul79 - TSPS Operator Training Facilities Ocr

Date added: 06/15/2014
Date modified: 06/25/2014
Filesize: 1.8 MB
Downloads: 838

Training simulator with multiple TSPS stations. Bell system Technical Journal, Page 1347. Contributed by Steve Cichorsky.  Ocr by Clint Gilliland.

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Telephone Collectors International was incorporated under the laws of the state of Kansas on May 13, 1986. The goal of the organization is "to educate the public, as well as the members of the Corporation, regarding the history of telephony, the value of old telephones and related items, their collectability and preservation; to research telephone history and publish and provide literature thereon; to promote the public exhibition of old telephones and related items; and to promote common courtesies and guidelines for use by the public." Telephone Collectors International is recognized by the Internal Revenue Service as a 501(c)(3) organization, to which U.S. tax deductible contributions can be made.