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 ]

67Jun BLR P202 Experimental Lineless (Cordless) Telephone 67Jun BLR P202 Experimental Lineless (Cordless) Telephone

Date added: 06/15/2013
Date modified: 06/19/2013
Filesize: 609.22 kB
Downloads: 856

Bell Laboratories Record.  Contributed by Chuck Hensley.

56June BLR P201 Mechanized Memory 56June BLR P201 Mechanized Memory

Date added: 10/14/2014
Date modified: 10/14/2014
Filesize: 1.49 MB
Downloads: 823

Bell Laboratories Record Magazine.  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: 818

Bell Labs Record.  Contributed by Chuck Hensley.

54Oct BLR P366 Universal Ringer C4A 54Oct BLR P366 Universal Ringer C4A

Date added: 04/10/2013
Date modified: 04/10/2013
Filesize: 1.53 MB
Downloads: 813

Bell Labs Record.  Contributed by Chuck Hensley.

41apr BLR "No Such Number: Tone for Dial Systems" 41apr BLR "No Such Number: Tone for Dial Systems"

Date added: 08/02/2011
Date modified: 03/15/2013
Filesize: 2.24 MB
Downloads: 801

April 1941 Bell Labs Record. Contributed by Steve Cichorsky

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: 783

Bell Labs Record.  Contributed by Chuck Hensley.

70oct BLR - 1A2 Advances 70oct BLR - 1A2 Advances

Date added: 10/28/2009
Date modified: 03/15/2013
Filesize: 6.21 MB
Downloads: 777

Oct 70, Bell Labs Record, Pages 259-263 plus cover. "Advances in the 1A2 Key Telephone System"

66jan BLR - Trimline Development 66jan BLR - Trimline Development

Date added: 10/28/2009
Date modified: 03/15/2013
Filesize: 7.44 MB
Downloads: 775

Jan 66, Bell Labs Record, pp 8-14. "The Evolution Of A Telephone,"   Great photo evolution chart showing prototypes on page 10 and info on field trials.

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: 759

Bell Labs Record. Contributed by Chuck Hensley.

70Oct BLR P259 1A2 Key Advances 70Oct BLR P259 1A2 Key Advances

Date added: 06/20/2013
Date modified: 12/28/2013
Filesize: 1.39 MB
Downloads: 746

Bell Labs Record.  Contributed by Chuck Hensley.

60Dec BLR P470 All Number Calling 60Dec BLR P470 All Number Calling

Date added: 06/13/2013
Date modified: 06/13/2013
Filesize: 864.54 kB
Downloads: 733

Bell Laboratories Record. Contributed by Chuck Hensley.

68Nov BLR P346 Protection For Receivers 104A Varistor 68Nov BLR P346 Protection For Receivers 104A Varistor

Date added: 06/19/2013
Date modified: 06/19/2013
Filesize: 878.47 kB
Downloads: 708

Bell Laboratories Record.  Contributed by Chuck Hensley.

61Jul BLR P240 Overseas Dialing 61Jul BLR P240 Overseas Dialing

Date added: 06/13/2013
Date modified: 06/13/2013
Filesize: 1.81 MB
Downloads: 693

Bell Laboratories Record. Contributed by Chuck Hensley.

74sep BLR P238 - Modular Set Introduction 74sep BLR P238 - Modular Set Introduction

Date added: 10/28/2009
Date modified: 02/24/2014
Filesize: 11.19 MB
Downloads: 689

11MB.  Sep 74, Bell Labs Record, Pages 238-244 plus covers. "Telephone Sets Go Mod (Modular, That Is)"  Modular Wiring.

71Feb BLR P61 Card Dialer ANSI Cards 71Feb BLR P61 Card Dialer ANSI Cards

Date added: 06/20/2013
Date modified: 06/20/2013
Filesize: 268.82 kB
Downloads: 675

Bell Labs Record.  Contributed by Chuck Hensley.

72May BLR P134 801A Midi PBX 72May BLR P134 801A Midi PBX

Date added: 07/04/2013
Date modified: 07/04/2013
Filesize: 1.79 MB
Downloads: 666

Bell Labs Record. Contributed by Chuck Hensley.

60Jan BLR P23 Experimental Dial In Handset Phone 60Jan BLR P23 Experimental Dial In Handset Phone

Date added: 06/13/2013
Date modified: 06/13/2013
Filesize: 745.67 kB
Downloads: 665

Bell Laboratories Record. Contributed by Chuck Hensley.

58Mar BLR P81 6A KTS 58Mar BLR P81 6A KTS

Date added: 06/15/2013
Date modified: 06/15/2013
Filesize: 1.62 MB
Downloads: 650

Bell Laboratories 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: 626

Bell Labs Record. Contributed by Chuck Hensley.

61Jun BLR P220 PBX Speeding Calls 756A DSS 61Jun BLR P220 PBX Speeding Calls 756A DSS

Date added: 06/20/2013
Date modified: 06/20/2013
Filesize: 528.56 kB
Downloads: 624

Bell Labs Record.  Contributed by Chuck Hensley.

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