You are here: Home > Browse the Library > BSPs (Bell System) > by Letter Code > C Series I&M, Sets > C40 - C99: Magneto, Public Tel, Special Uses, etc.

Check out the TCI YouTube channel here. Please subscribe!

Check here for the 2024 Telephone Shows

Folder C40 - C99: Magneto, Public Tel, Special Uses, etc.

Documents

pdf C53.104 IA NY Order Turret No. 1 - Tests & Adjustments Popular

By 620 downloads

Download (pdf, 49 KB)

C53.104_IA_NY_Mar37_OrderTurretNo1_Test_Adjustments.pdf

C53.104 IA NY Order Turret No. 1 - Tests & Adjustments
March 37.  New York Telephone.

pdf C53.151 i6 Aug55 - 1A 1A1 KTS Desc Popular

By 302 downloads

Download (pdf, 447 KB)

C53.151_i6_Aug55_1A_1A1_KTS_Desc_ocr_tci.pdf

C53.151 i6 Aug55 - 1A 1A1 KTS Desc

Contributed and scanned by John Novack. Processed by Paul Fassbender.

pdf C53.152 i7 May55 - 1A and 1A1 KTS - Supplies Popular

By 366 downloads

Download (pdf, 302 KB)

C53.152_i7_May55_1A_1A1_KTS_Supplies_ocr_tci.pdf

C53.152 i7 May55 - 1A and 1A1 KTS - Supplies

Contributed and scanned by John Novack. Processed by Paul Fassbender.

pdf C53.153 i4 Jul53 - 1A KTS - ID Popular

By 292 downloads

Download (pdf, 378 KB)

C53.153_i4_Jul53_1A_KTS_ID_ocr_tci.pdf

C53.153 i4 Jul53 - 1A KTS - ID

Contributed and scanned by John Novack. Processed by Paul Fassbender.

pdf C53.154 i3 Nov54 - 1A KTS - Maint Popular

By 282 downloads

Download (pdf, 2.10 MB)

C53.154_i3_Nov54_1A_KTS_Maint_ocr_tci.pdf

C53.154 i3 Nov54 - 1A KTS - Maint

Contributed and scanned by John Novack. Processed by Paul Fassbender.

pdf C53.158 I1 Jun53 1A1 KTS Installation Popular

By 503 downloads

Download (pdf, 258 KB)

C53.158_i1_Jun53_1A1_KTS_Installation.pdf

C53.158 I1 Jun53 1A1 KTS Installation

Contributed by John Novack.

pdf C53.159 i2 Jan55 - 1A1 KTS Maint less pp. 30-31 Popular

By 290 downloads

Download (pdf, 4.71 MB)

C53.159_i2_Jan55_1A1_KTS_Maint_less 30-31_tci.pdf

C53.159 i2 Jan55 - 1A1 KTS Maint less pp. 30-31
Contributed by Steve Cichorsky.

pdf C53.251-15a-23a-KeyEquipment Tl Popular

By 766 downloads

Download (pdf, 335 KB)

c53.251-15a-23a-KeyEquipment_tl.pdf

pdf C53.271 I4 Key Equipment 100 - Description Popular

By 831 downloads

Download (pdf, 453 KB)

C53.271_I4_Jan54_KeyEquipmentNo100_Description.pdf

C53.271 I4 Key Equipment 100 - Description
Jan 54.

pdf C53.903 BT of Canada NE iA Dec56 - SENIOR MAGNAPHONE Popular

By 502 downloads

Download (pdf, 10.58 MB)

C53.903_BT_of_C_NE_iA_Dec56_SENIOR_MAGNAPHONE_tci_ocr.pdf

C53.903 BT of Canada NE iA Dec56 - SENIOR MAGNAPHONE

Contributed by Steve Cichorsky.

pdf C54.101 I1 Jul31 Amplifier Equipment Deaf Subscribers Description Popular

By 530 downloads

Download (pdf, 4.11 MB)

C54.101_I1_Jul31_Amplifier_Equipment_Deaf_Subscribers_Description.pdf

C54.101 I1 Jul31 Amplifier Equipment Deaf Subscribers Description
Contributed by Chuck Hensley.

pdf C54.102 I1 Jul31 Amplifier Equipment Deaf Subscribers Apparatus Use Popular

By 508 downloads

Download (pdf, 296 KB)

C54.102_I1_Jul31_Amplifier_Equipment_Deaf_Subscribers_Apparatus_Use.pdf

C54.102 I1 Jul31 Amplifier Equipment Deaf Subscribers Apparatus Use
Contributed by Chuck Hensley.

pdf C54.103 I1 Jul31 Amplifier Equipment Deaf Subscribers Installation Popular

By 489 downloads

Download (pdf, 3.25 MB)

C54.103_I1_Jul31_Amplifier_Equipment_Deaf_Subscribers_Installation.pdf

C54.103 I1 Jul31 Amplifier Equipment Deaf Subscribers Installation
Contributed by Chuck Hensley.

pdf C54.104 I1 Jul31 Amplifier Equipment Subscribers Connections Popular

By 524 downloads

Download (pdf, 463 KB)

C54.104_I1_Jul31_Amplifier_Equipment_Subscribers_Connections.pdf

C54.104 I1 Jul31 Amplifier Equipment Subscribers Connections
Contributed by Chuck Hensley.

pdf C54.105 I1 Jul31 Amplifier Equipment Deaf Subscribers Maintenance Popular

By 436 downloads

Download (pdf, 471 KB)

C54.105_I1_Jul31_Amplifier_Equipment_Deaf_Subscribers_Maintenance.pdf

C54.105 I1 Jul31 Amplifier Equipment Deaf Subscribers Maintenance
Contributed by Chuck Hensley.

pdf C54.115 I1 Key Equipment 10A & 6030A Key Popular

By 886 downloads

Download (pdf, 2.15 MB)

C54.115 Key Equipment 10A & 6030 Key.pdf

C54.115 I1 Key Equipment 10A & 6030A Key
Oct 55.  For customers with impaired hearing. 23A amplifier and 6030A key with on/off and loudness controls. Description, installation, connections, maintenance, supplies and ordering info.

pdf C54.203 I3 Dec56 1A 1B Code Calling Systems Installation Ocr Op R Popular

By 426 downloads

Download (pdf, 410 KB)

C54.203_i3_Dec56_1A_1B_Code_Calling_Systems_Installation_ocr_op_r.pdf

C54.203 I3 Dec56 1A 1B Code Calling Systems Installation Ocr Op R

Contributed by Steve Hilsz and Steve Cichorsky.  OCR by Clint Gilliland.

pdf C54.204 I3 Dec56 1A 1B Code Calling Systems Test Adjustments Ocr Op R Popular

By 363 downloads

Download (pdf, 204 KB)

C54.204_i3_Dec56_1A_1B_Code_Calling_Systems_Test_Adjustments_ocr_op_r.pdf

C54.204 I3 Dec56 1A 1B Code Calling Systems Test Adjustments Ocr Op R

Contributed by Steve Hilsz and Steve Cichorsky.  OCR by Clint Gilliland.

pdf C54.912 IA NY Call Box Circuits - Bridged Leased Lines [RCA] Popular

By 741 downloads

Download (pdf, 734 KB)

Call Box Circuits - Bridged Leased Lines [RCA].pdf

C54.912 IA NY Call Box Circuits - Bridged Leased Lines [RCA]
Mar 49.  Also coded F92.310.  The call boxes are used to summon messengers from message centers maintained by RCA.  Includes addendum Issue A, Dec 49 covering alternate installation method using a floor bunching block..

pdf C54.918 Holmes Electric Protective Co Leased Lines Popular

By 810 downloads

Download (pdf, 84 KB)

C54.918 Holmes Electric Protective Co Leased Lines.pdf

C54.918 Holmes Electric Protective Co Leased Lines

New User?

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

Recent Contributors

Thanks for new documents from Ed Palazzo, Bruce Patterson, Jon Kolger, Paul Ivester, Len Hicken, Paul Fassbender, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Mark Cuccia, Alan David, Harry Joseph, Charlie Terry, Karl Brose, Dennis Hock, Tim Griffin, Remco Enthoven, and Steve Cichorsky.

Please send a file to add your name to this list!

Who's online

We have 1037 guests online