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pdf Genoa Branch Circuit Cross Reference ST3471 I1 Popular

1360 downloads

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Genoa_Branch_Circuit_Cross_reference_ST3471_i1.pdf

Genoa Branch Circuit Cross Reference ST3471 I1

Circuit Assignment Numbers - Genoa Branch Circuits.  Scan quality did not permit reliable OCR.  Contributed by John Novack.

pdf CMC 707 IA May75 Quik Chek Test Sets 707 710 Popular

1428 downloads

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CMC_707_iA_May75_Quik_Chek_Test_Sets_707_710.pdf

CMC 707 IA May75 Quik Chek Test Sets 707 710

Contributed by John Novack.

pdf CMC 714 IC Jun79 Quik Chek Test Set 714 XY Popular

1387 downloads

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CMC_714_iC_Jun79_Quik_Chek_Test_Set_714_XY.pdf

CMC 714 IC Jun79 Quik Chek Test Set 714 XY

Contributed by John Novack.

pdf Mitel - SX-5 Communication System Practices Popular

1647 downloads

Download (pdf, 4.77 MB)

MITL9103-098-000-NA_i1_May82_SX-5.pdf

Mitel - SX-5 Communication System Practices

224 pages of practices beginning with MITL9103-098-000-NA Issue 1, May 1982 - Documentation Index.  Text searchable.  Contributed by John Novack.

pdf FTR 6E PABX Description - 1946 Popular

1386 downloads

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FTR_6E_PABX_Description_NS_1800.pdf

FTR 6E PABX Description - 1946

Federal Telephone & Radio.  30 pages.  NS-1800, NSE-120113, NSE-59882 and NSE-97800.  Contributed by Chris Mattingly and John Novack.

pdf Tone Commander 13-100444 revE Apr81 - RT-3600 KTU Tone-rotary Dial Intercom Popular

1163 downloads

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Tone_Commander_RT-3600_tone-rotary_dial_intercom_1981_ocr_r.pdf

Tone Commander 13-100444 revE Apr81 - RT-3600 KTU Tone-rotary Dial Intercom

Contributed by Steve Cichorsky. OCR by Clint Gilliland.

pdf Elgin EAK6 EBK6 PowerSupply Schematic Popular

1658 downloads

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Elgin_EAK6_EBK6_PowerSupply_Schematic_Oct81.pdf

Elgin EAK6 EBK6 PowerSupply Schematic
Oct81.   Contributed by Steve Cichorsky.

pdf Webster Electric Bulletin 251-43047 DB-Series Switchboards Addendum Popular

1172 downloads

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Webster_Electric_Bulletin_251-43047_DB-Series_Switchboards_Addendum.pdf

Webster Electric Bulletin 251-43047 DB-Series Switchboards Addendum
Contributed by Steve Cichorsky.

pdf Webster Electric Bulletin TC4-1A Jul68 Service Routining Troubleshooting TelTerminology Popular

1571 downloads

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Webster_Electric_Bulletin_TC4-1A_Jul68_Service_Routining_Troubleshooting_TelTerminology.pdf

Webster Electric Bulletin TC4-1A Jul68 Service Routining Troubleshooting TelTerminology
Contributed by Steve Cichorsky.

pdf Digit Absorber Popular

1385 downloads

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Digit Absorber.pdf

Digit Absorber

Ad from Universal Controls Corporation, Carrollton, Texas

circa January, 1959

pdf Florida Toll Center Popular

1449 downloads

Download (pdf, 3.32 MB)

Florida Toll Center.pdf

pdf Dial Mechanisms Popular

1443 downloads

Download (pdf, 3.87 MB)

dial_mechanisms.pdf

Dial Mechanisms

POST OFFICE ENGINEERING DEPARTMENT.
TECHNICAL INSTRUCTIONS, XXV. (Provisional Issue.)
Automatic Telephone Exchange Systems.
Part 24A.-Apparatus-Description and Adjustment of Dial Mechanisms. DIAGRAMS.
(The Instruction relating to these Diagrams is issued separately.)
ENGINEER-IN-CHIEF'S OFFICE, GENERAL POST OFFICE, LONDON, E.C. 1., May, 1928.

pdf Test Number Directory Popular

5065 downloads

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GTE_Mar89_Cal_Test_Number_Directory_tci.pdf

Test Number Directory

59 pages. Published and distributed by GTE California (GTC) to all Local Exchange Carrier (LEC) and lnterexchange Carrier (IXC) companies operating in the state of California, as well as GTE California Incorporated work groups. This directory lists test numbers for accessing test lines in GTC access tandems, sector tandems and end offices. Test lines are used for the purpose of operational and transmission testing of trunk circuits terminating in GTC offices. Contributed to the TCI Library by Steve Cichorsky. OCR & Admin: Paul Fassbender.

pdf Gfeller Line Concentrator - Pages From TJA 14 5 6 1964 Popular

2852 downloads

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Gfeller Line Concentrator - pages from TJA_14_5_6_1964.pdf

pdf LINE CONCENTRATORS AN INSTALLATION AT BOX HILL TJA 13 2 1961 Popular

1221 downloads

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LINE_CONCENTRATORS_AN_INSTALLATION_AT_BOX_HILL_TJA_13_2_1961.pdf

pdf US Instruments Ad - Type-30 Dial PBX and Attendant's Set Popular

1212 downloads

Download (pdf, 836 KB)

USI Type-30 PBX.pdf

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Thanks for new documents from 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.

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