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Publications and Educational Documents (by Date)

Organized by year of publication (if known).

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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 ]

Extension Bell Wiring For Subscriber Lines In Relay Offices Extension Bell Wiring For Subscriber Lines In Relay Offices

Date added: 08/06/2011
Date modified: 08/06/2011
Filesize: 1.05 MB
Downloads: 541

AutomaticNumberIdentification NYTel MBW GeneralEngineeringBulletin Apr60 AutomaticNumberIdentification NYTel MBW GeneralEngineeringBulletin Apr60

Date added: 08/06/2011
Date modified: 08/06/2011
Filesize: 1.65 MB
Downloads: 624

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: 1278

60spring NYTEL Suffern Manual Cutover 60spring NYTEL Suffern Manual Cutover

Date added: 08/06/2011
Date modified: 08/06/2011
Filesize: 1.89 MB
Downloads: 452
Contributed by Steve Cichorsky.

60spring NYTel Panel Office Cutover 60spring NYTel Panel Office Cutover

Date added: 08/06/2011
Date modified: 08/06/2011
Filesize: 8.94 MB
Downloads: 665
Contributed by Steve Cichorsky.

60spring NYTel City Island Manual Cutover 60spring NYTel City Island Manual Cutover

Date added: 08/06/2011
Date modified: 08/06/2011
Filesize: 2.05 MB
Downloads: 887
Contributed by Steve Cichorsky.

ATT Notes on the Network - Section 5 - Signaling ATT Notes on the Network - Section 5 - Signaling

Date added: 08/06/2011
Date modified: 08/06/2011
Filesize: 10.06 MB
Downloads: 681
1980.  Signaling. Contributed by Steve Cichorsky.

ATT Notes on the Network - Section 4 - Equipment Requirements ATT Notes on the Network - Section 4 - Equipment Requirements

Date added: 07/03/2011
Date modified: 08/06/2011
Filesize: 1.65 MB
Downloads: 438
1980.  Equipment Requirements. Contributed by Steve Cichorsky.

ATT Notes on the Network - Sections 1 - 3 - Numbering, Dialing & Switching ATT Notes on the Network - Sections 1 - 3 - Numbering, Dialing & Switching

Date added: 07/03/2011
Date modified: 08/06/2011
Filesize: 4.01 MB
Downloads: 451
1980.  Numbering, Dialing, Switching. Contributed by Steve Cichorsky.

Principles of Electricity Ch XIII, Apparatus and Circuits Principles of Electricity Ch XIII, Apparatus and Circuits

Date added: 03/27/2011
Date modified: 03/27/2011
Filesize: 5.06 MB
Downloads: 836
October 1928,  "Principles of Electricity Applied to Telephone and Telegraph Work" extract includes pages 90 - 109 and the following sections:  

76.The Telephone Receiver
77. The Telephone Transmitter
78. The Polarized Ringer
79. Plugs, Jacks and Cords
80. Resistances
81. Switchboard Keys
82. Relays
83. Operation of Toll Central Office Circuits in Establishing a Long Distance Connection - No. 1 Switchboard
          Figure 168 - Typical Long Distance Terminating Connection. Open Wire Circuit - No. 1 Switchboard.
84.Operation of Toll Central Office Circuits in Establishing a Long Distance Connection - No. 3 Switchboard
     Plate V - Toll Operating
          Figure 168A - Typical Long Distance Terminating Connection. Four Wire Cable Circuit - No. 3 Switchboard.

Contributed by Steve Cichorsky.

Schematic Symbols (AT&T - 1961) Schematic Symbols (AT&T - 1961)

Date added: 12/26/2010
Date modified: 12/26/2010
Filesize: 18.8 kB
Downloads: 724
From "The Principles of Electricity Applied to Telephone and Telegraph Work,"AT&T, 1961 edition.  Submitted by Steph Kerman

Schematic Symbols (AT&T - 1930) Schematic Symbols (AT&T - 1930)

Date added: 12/26/2010
Date modified: 12/26/2010
Filesize: 36.4 kB
Downloads: 656
From "The Principles of Electricity Applied to Telephone and Telegraph Work,"AT&T, 1930 edition.  Submitted by Steph Kerman

Project 572 Project 572

Date added: 09/26/2010
Date modified: 09/26/2010
Filesize: 10.74 MB
Downloads: 580

Article about the DEW line project:

"On the northern fringes of the continent W.E. has built the first units of America's Distant Early Warning Line"

CAMA Introduction CAMA Introduction

Date added: 09/13/2010
Date modified: 09/13/2010
Filesize: 12.39 MB
Downloads: 554

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: 975

WECo ~ Hawthorne Microphone - April '73 WECo ~ Hawthorne Microphone - April '73

Date added: 08/26/2010
Date modified: 08/26/2010
Filesize: 19.36 MB
Downloads: 617

73apr ANI-D Article (cropped) 73apr ANI-D Article (cropped)

Date added: 08/26/2010
Date modified: 07/05/2013
Filesize: 3.77 MB
Downloads: 724

WE Hawthorne Works, The Microphone, April, 1973

Magneto System Diagram Magneto System Diagram

Date added: 08/11/2010
Date modified: 11/06/2013
Filesize: 4.47 MB
Downloads: 2357

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.

Bell News - Eastland Bell News - Eastland

Date added: 08/09/2010
Date modified: 08/09/2010
Filesize: 1.05 MB
Downloads: 528

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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.