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536-490-507 I3 Aug54 - 555, 556, 557 PBX Attendant Telephone and Dial Circuits
Issue 3, August 1954. Attendant telephone and dial circuits tests and inspections 555, 556A and 557A PBX. Contributed by Russ Kirk
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536-490-667 i2 Aug54 - Ringdown and Automatic Tie Trunk Circuits - Operation Test
Contributed by Steve Cichorsky. Processed by Remco Enthoven and Paul Fassbender. BELL SYSTEM PRACTICES SECTION 536 490 66 7 Plant Series Issue 2, August, 1954 AT&T Co Standard RINGDOW N AND AUTOMATIC TIE TRUNK CIRCUITS OPERATION TESTS 555 AND 557 A PBX...
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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...
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Bell System Technical Journal Index with Links - 1922 - 1983
Bell System Technical Journal Archive Complete Index with hotlinks This page provides a convenient portal into the full run of the "BSTJ" articles from 1922-1983 posted by Bell Labs on archive.org. That site provides a subject / keyword search, on-line...
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480-000-000 i85 May75 - Numerical Index - Private Service Systems
Contributed by Steve Cichorsky. OCR by Jeff Lamb. BELL SYSTEM PRACTICES AT&TCo Standard SECTION 480 000 000 Issue 85, May 1975 TCI NUMERICAL INDEX DIVISION 480 PRIVATE SERVICE SYSTEMS CUSTOMER EQUIPMENT 1. GENERAL 1.01 Section Number This section...
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480-000-000 i85 May75 - Num Index Priv Srvc Syst
Contributed by Steve Cichorsky. OCR by Jeff Lamb. BELL SYSTEM PRACTICES AT&TCo Standard SECTION 480 000 000 Issue 85, May 1975 TCI NUMERICAL INDEX DIVISION 480 PRIVATE SERVICE SYSTEMS CUSTOMER EQUIPMENT 1. GENERAL 1.01 Section Number This section...
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480-000-000 i85 May75 - PTT App 1 iJ - Numerical Index Div 480 - Private Service Sys Customer Equip
Contributed by Steve Cichorsky. BELL SYSTEM PRACTICES AT&TCo Standard SECTION 480 000 000 Issue 85, May 1975 NUMERICAL INDEX DIVISION 480 PRIVATE SERVICE SYSTEMS CUSTOMER EQUIPMENT 1. GENERAL 1.01 Section Number This section provides on index of...
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BSRS 104.011 i44 May81 - Alphabetic Index All Divisions
78 pages. OCR is marginal. Contributed by Astrid Smith Connections Museum. OCR & Processing by Paul Fassbender Downloaded from TCI Library: http: www.telephonecollectors.info Source: Connections Museum, Seattle, WA RELL SYS1EM RFPA.ln SPf.Clf!CA...
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460-001-010 i12 Feb72 - Station and PBX SD and CD - Letter Size - Numerical Index
i BELL SYSTEM PRACTICES SECTION 460 001 010 AT& T Co. Standard Issue 12, February, 1972 STATION AND PBX SCHEMATIC DRAWINGS (SDS) AND ASSOCIATED CIRCUIT DESCRIPTIONS (CDS) AVAILABLE IN LETTER (8% BY 11 INCHES) SIZE 1. GENERAL SD CD lssueC~bem Number SD...
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C32.557 i3 Jun56 - 532 533 535 536 - Transistorized Amplifier Sets Tl
Contributed by Chuck Hensley. , , tt( . )t ) ) ) TABLE B LTNE AND RINGER CONNECTTONSFOR 532.,535.,AND 5:I6:TYPETELEPHONE SETS 42A Connecting Block Tcrminalr Connectionr in Tclephone Set* Clar of Line Wirc Mounting Cord Mounting Cord Ringer Lea& Switch...
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NOTE: Basic and Advanced searches currently may not find BSPs when numbers are entered with hyphens (e.g. 502-400-401). Try entering the number with spaces instead (e.g. 502 400 401) or use Google Search. We hope this will behave better in future software releases.
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Recent Contributors
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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Telephone Collectors International was incorporated under the laws of the state of Kansas on May 13, 1986. The goal of the organization is "to educate the public, as well as the members of the Corporation, regarding the history of telephony, the value of old telephones and related items, their collectability and preservation; to research telephone history and publish and provide literature thereon; to promote the public exhibition of old telephones and related items; and to promote common courtesies and guidelines for use by the public." Telephone Collectors International is recognized by the Internal Revenue Service as a 501(c)(3) organization, to which U.S. tax deductible contributions can be made.