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 ]

57Jan BLR P22 Testing Cords 57Jan BLR P22 Testing Cords

Date added: 05/20/2013
Date modified: 05/20/2013
Filesize: 848.97 kB
Downloads: 296

Bell Laboratories Record. Contributed by Chuck Hensley.

57Jun BLR P219 Operator Chairs 57Jun BLR P219 Operator Chairs

Date added: 05/20/2013
Date modified: 05/20/2013
Filesize: 1.04 MB
Downloads: 1763

Bell Laboratories Record. Contributed by Chuck Hensley.

57Jun BLR P231 Experimental Drive In Payphone 57Jun BLR P231 Experimental Drive In Payphone

Date added: 05/20/2013
Date modified: 05/20/2013
Filesize: 281.47 kB
Downloads: 342

Bell Laboratories Record. Contributed by Chuck Hensley.

56Dec BLR P473 Drop Wire Cap 56Dec BLR P473 Drop Wire Cap

Date added: 04/24/2013
Date modified: 04/24/2013
Filesize: 211.2 kB
Downloads: 267

Bell Labs Record. Contributed by Chuck Hensley.

56Oct BLR P381 Military Telephone TA43PT 56Oct BLR P381 Military Telephone TA43PT

Date added: 04/24/2013
Date modified: 04/24/2013
Filesize: 1.62 MB
Downloads: 1116

Bell Labs Record. Contributed by Chuck Hensley.

56Sep BLR P334 Experimental Picturephone 56Sep BLR P334 Experimental Picturephone

Date added: 04/24/2013
Date modified: 04/24/2013
Filesize: 424.17 kB
Downloads: 300

Bell Labs Record. Contributed by Chuck Hensley.

56Jul BLR P252 Color Telephones 500 Type 56Jul BLR P252 Color Telephones 500 Type

Date added: 04/22/2013
Date modified: 04/22/2013
Filesize: 789.3 kB
Downloads: 460

Bell Labs Record.  Contributed by Chuck Hensley.

55Feb BLR P70 Drop Wire Clamp 55Feb BLR P70 Drop Wire Clamp

Date added: 04/21/2013
Date modified: 04/21/2013
Filesize: 496.2 kB
Downloads: 545

Bell Labs Record.  Contributed by Chuck Hensley.

55Oct BLR P361 Volume Control Telephone 532 151A Amp 55Oct BLR P361 Volume Control Telephone 532 151A Amp

Date added: 04/21/2013
Date modified: 04/21/2013
Filesize: 723.54 kB
Downloads: 289

Bell Labs Record.  Contributed by Chuck Hensley.

56Apr BLR P140 1A1 Key Tel Sys KTS 56Apr BLR P140 1A1 Key Tel Sys KTS

Date added: 04/21/2013
Date modified: 04/21/2013
Filesize: 659.47 kB
Downloads: 729

Bell Labs Record.  Contributed by Chuck Hensley.

56Aug BLR P294 Aluminum Booth 56Aug BLR P294 Aluminum Booth

Date added: 04/21/2013
Date modified: 04/21/2013
Filesize: 778.65 kB
Downloads: 1695

Bell Labs Record.  Contributed by Chuck Hensley.

56Aug BLR P298 Telephone Protectors 56Aug BLR P298 Telephone Protectors

Date added: 04/21/2013
Date modified: 04/21/2013
Filesize: 1.2 MB
Downloads: 904

Bell Labs Record.  Contributed by Chuck Hensley.

56Aug BLR P313 5300 Type Set 56Aug BLR P313 5300 Type Set

Date added: 04/21/2013
Date modified: 04/21/2013
Filesize: 224.91 kB
Downloads: 319

Bell Labs Record.  Contributed by Chuck Hensley.

56Jun BLR P208 1A Speakerphone 592 56Jun BLR P208 1A Speakerphone 592

Date added: 04/21/2013
Date modified: 07/05/2013
Filesize: 1.55 MB
Downloads: 304

Bell Labs Record.  Contributed by Chuck Hensley.

56Mar BLR P116 Tone Ringer Trial 56Mar BLR P116 Tone Ringer Trial

Date added: 04/21/2013
Date modified: 04/21/2013
Filesize: 558.99 kB
Downloads: 270

Bell Labs Record.  Contributed by Chuck Hensley.

56May BLR P165 Answer Set 56May BLR P165 Answer Set

Date added: 04/21/2013
Date modified: 04/21/2013
Filesize: 1.39 MB
Downloads: 287

Bell Labs Record.  Contributed by Chuck Hensley.

71Jan BLR P22 558A PBX 71Jan BLR P22 558A PBX

Date added: 04/21/2013
Date modified: 04/21/2013
Filesize: 995.85 kB
Downloads: 1300

Bell Labs Record.  Contributed by Chuck Hensley.

54Feb BLR P69 Dial Governors 54Feb BLR P69 Dial Governors

Date added: 04/10/2013
Date modified: 04/10/2013
Filesize: 961.83 kB
Downloads: 864

Bell Labs Record.  Contributed by Chuck Hensley.

54Mar BLR P96 Telephone Hazardous Areas KS14476 54Mar BLR P96 Telephone Hazardous Areas KS14476

Date added: 04/10/2013
Date modified: 04/10/2013
Filesize: 340.7 kB
Downloads: 266

Bell Labs Record.  Contributed by Chuck Hensley.

54May BLR P197 Coinless Payphone 54May BLR P197 Coinless Payphone

Date added: 04/10/2013
Date modified: 04/10/2013
Filesize: 224.96 kB
Downloads: 256

Bell Labs Record.  Contributed by Chuck Hensley.

Recent Contributors

Thanks for new documents from David Gruger, Jeff Lamb, Walt Aydelotte, Dennis Hock, Steve Flocke, Paul Wills, Sam Etler, Fred Haynes, John Novack, Clint Gilliland, Steve Cichorsky and Karl Brose.

Please add your name to this list!

Who's Online

We have 312 visitors online