Folder 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

Categories

Documents

pdf 52apr BLR P183 Army Telephone Popular

By 130 downloads

Download (pdf, 422 KB)

52apr_BLR_p183_Army_Telephone.pdf

52apr BLR P183 Army Telephone

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 52aug BLR P317 500 Handset G1 T1 U1 Popular

By 116 downloads

Download (pdf, 620 KB)

52aug_BLR_p317_500_Handset_G1_T1_U1.pdf

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 52dec BLR P456 Telephone Repair Reuse Popular

By 144 downloads

Download (pdf, 620 KB)

52dec_BLR_p456_Telephone_Repair_Reuse.pdf

52dec BLR P456 Telephone Repair Reuse

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 52jan BLR P12 Lettered Dial

By 96 downloads

Download (pdf, 437 KB)

52jan_BLR_p12_Lettered_Dial.pdf

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 52jul BLR P295 JKT Station Wire Popular

By 129 downloads

Download (pdf, 534 KB)

52jul_BLR_p295_JKT_Station_Wire.pdf

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 52may BLR P205 507 PBX Popular

By 133 downloads

Download (pdf, 711 KB)

52may_BLR_p205_507_PBX.pdf

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 52may BLR P211 500 Dial 7A Popular

By 137 downloads

Download (pdf, 833 KB)

52may_BLR_p211_500_Dial_7A.pdf

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 53apr BLR P130 U1 Receivers Adjustment Popular

By 133 downloads

Download (pdf, 1.13 MB)

53apr_BLR_p130_U1_Receivers_Adjustment.pdf

53apr BLR P130 U1 Receivers Adjustment

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 53apr BLR P158 Installers Tool Case

By 99 downloads

Download (pdf, 156 KB)

53apr_BLR_p158_Installers_Tool_Case.pdf

53apr BLR P158 Installers Tool Case

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 53jan BLR P22 Early Dial Systems Popular

By 129 downloads

Download (pdf, 1.35 MB)

53jan_BLR_p22_Early_Dial_Systems.pdf

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 53jan BLR P9 Lag Linemans Wrench Popular

By 118 downloads

Download (pdf, 267 KB)

53jan_BLR_p9_Lag_Linemans_Wrench.pdf

53jan BLR P9 Lag Linemans Wrench

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 53jun BLR P236 Robot Secretary

By 85 downloads

Download (pdf, 237 KB)

53jun_BLR_p236_Robot_Secretary.pdf

53jun BLR P236 Robot Secretary

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 53nov BLR P439 1A Answering Set Popular

By 115 downloads

Download (pdf, 1.35 MB)

53nov_BLR_p439_1A_Answering_Set.pdf

53nov BLR P439 1A Answering Set

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 53oct BLR P407 Cords Machine

By 87 downloads

Download (pdf, 739 KB)

53oct_BLR_p407_Cords_Machine.pdf

53oct BLR P407 Cords Machine

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 53sep BLR P342 Trains Payphone Popular

By 147 downloads

Download (pdf, 1.28 MB)

53sep_BLR_p342_Trains_Payphone.pdf

53sep BLR P342 Trains Payphone

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 54Feb BLR P69 Dial Governors Popular

By 157 downloads

Download (pdf, 961 KB)

54Feb_BLR_p69_Dial_Governors.pdf

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 54Mar BLR P96 Telephone Hazardous Areas KS14476 Popular

By 119 downloads

Download (pdf, 340 KB)

54Mar_BLR_p96_Telephone_Hazardous_Areas_KS14476.pdf

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 54May BLR P197 Coinless Payphone Popular

By 120 downloads

Download (pdf, 224 KB)

54May_BLR_p197_Coinless_Payphone.pdf

54May BLR P197 Coinless Payphone

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 54Nov BLR P439 Hard of Hearing 532 Popular

By 106 downloads

Download (pdf, 228 KB)

54Nov_BLR_p439_Hard_Hearing_532.pdf

Bell Labs Record.  Contributed by Chuck Hensley.

pdf 54Oct BLR P366 Universal Ringer C4A Popular

By 213 downloads

Download (pdf, 1.53 MB)

54Oct_BLR_p366_Universal_Ringer_C4A.pdf

54Oct BLR P366 Universal Ringer C4A

Bell Labs Record.  Contributed by Chuck Hensley.

New User?

Read the articles under "Introduction" in the black menu bar above.

Recent Contributors

Thanks for new documents from Chuck Hensley, John Gilbert, Chuck Batson, Alan David, Steve Flocke, Paul Wills, Dave Gruger, Jim Prather, John Stancliff, Sam Etler, John Novack, Clint Gilliland, Steve Cichorsky and Paul Fassbender.

Please add your name to this list!

Who's online

We have 176 guests online