BLR

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 ]

73Dec BLR P353 PICTUREPHONE Big Picture 73Dec BLR P353 PICTUREPHONE Big Picture

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 1.96 MB
Downloads: 331

Bell Labs Record. Contributed by Chuck Hensley.

73Jan BLR P9 Key Telephone 4A Call Distributor 73Jan BLR P9 Key Telephone 4A Call Distributor

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 1.44 MB
Downloads: 271

Bell Labs Record. Contributed by Chuck Hensley.

73Jun BLR P187 Payphone Sentry Mounts 73Jun BLR P187 Payphone Sentry Mounts

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 334.76 kB
Downloads: 291

Bell Labs Record. Contributed by Chuck Hensley.

73Mar BLR P94 TouchTone Dial Foil 73Mar BLR P94 TouchTone Dial Foil

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 815.38 kB
Downloads: 339

Bell Labs Record. Contributed by Chuck Hensley.

73May BLR P158 TOUCH A MATIC Dialer Keyset 2872 73May BLR P158 TOUCH A MATIC Dialer Keyset 2872

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 336.22 kB
Downloads: 520

Bell Labs Record. Contributed by Chuck Hensley.

73May BLR P136 805A PBX 73May BLR P136 805A PBX

Date added: 07/04/2013
Date modified: 12/27/2013
Filesize: 1.85 MB
Downloads: 594

Bell Labs Record. Contributed by Chuck Hensley.

73Oct BLR P273 Handicapped Voice Dialing 73Oct BLR P273 Handicapped Voice Dialing

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 1.7 MB
Downloads: 519

Bell Labs Record. Contributed by Chuck Hensley.

73Sep BLR P233 4A Speakerphone 73Sep BLR P233 4A Speakerphone

Date added: 07/04/2013
Date modified: 02/03/2014
Filesize: 1.21 MB
Downloads: 345

Bell Labs Record. Contributed by Chuck Hensley.

74Dec BLR P358 Credit Authorization Transaction Telephone 74Dec BLR P358 Credit Authorization Transaction Telephone

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 917.94 kB
Downloads: 228

Bell Labs Record. Contributed by Chuck Hensley.

74Jun BLR P181 Vinyl Drop Wire 74Jun BLR P181 Vinyl Drop Wire

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 1.2 MB
Downloads: 580

Bell Labs Record. Contributed by Chuck Hensley.

74May BLR P153 50A Attendant Console 74May BLR P153 50A Attendant Console

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 2.11 MB
Downloads: 452

Bell Labs Record. Contributed by Chuck Hensley.

74Nov BLR P303 812A PBX 74Nov BLR P303 812A PBX

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 2.06 MB
Downloads: 350

Bell Labs Record. Contributed by Chuck Hensley.

74Nov BLR P318 - Seeking the Ideal in "Hands-Free" Telephony for Speakerphones 74Nov BLR P318 - Seeking the Ideal in "Hands-Free" Telephony for Speakerphones

Date added: 07/04/2013
Date modified: 02/01/2014
Filesize: 2.08 MB
Downloads: 359

Bell Labs Record. Keywords: Hands free, Center clipping. Contributed by Chuck Hensley.

74Sep BLR P239 Telephones Go Modular 74Sep BLR P239 Telephones Go Modular

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 1.42 MB
Downloads: 459

Bell Labs Record. Contributed by Chuck Hensley.

74Sep BLR P253 Key Telephone Modular Panels 74Sep BLR P253 Key Telephone Modular Panels

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 1.58 MB
Downloads: 733

Bell Labs Record. Contributed by Chuck Hensley.

28Jul BLR P 363 Non Multiple PBX 551A 551B 28Jul BLR P 363 Non Multiple PBX 551A 551B

Date added: 06/20/2013
Date modified: 06/20/2013
Filesize: 1.01 MB
Downloads: 327

Bell Labs Record.  Contributed by Chuck Hensley.

29Apr BLR P 331 Cordless Switchboard 506A 29Apr BLR P 331 Cordless Switchboard 506A

Date added: 06/20/2013
Date modified: 06/20/2013
Filesize: 1.15 MB
Downloads: 757

Bell Labs Record.  Contributed by Chuck Hensley.

29Feb BLR P226 Private Branch Exchanges 29Feb BLR P226 Private Branch Exchanges

Date added: 06/20/2013
Date modified: 06/20/2013
Filesize: 929.5 kB
Downloads: 277

Bell Labs Record.  Contributed by Chuck Hensley.

29Nov BLR P105 New Multiple PBX 605A 29Nov BLR P105 New Multiple PBX 605A

Date added: 06/20/2013
Date modified: 06/20/2013
Filesize: 826.36 kB
Downloads: 293

Bell Labs Record.  Contributed by Chuck Hensley.

29Sep BLR P36 Large Capacity PBX 701A 29Sep BLR P36 Large Capacity PBX 701A

Date added: 06/20/2013
Date modified: 06/20/2013
Filesize: 1.3 MB
Downloads: 333

Bell Labs Record.  Contributed by Chuck Hensley.

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