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TCI Library Info
BSP - Bell System Practices (by Doc #)
- Handbooks - Bound BSP Compilations
- BSP Index Documents (by Doc #)
- BSP Categories by later Division Number (by Doc #)
- - 000 - 019 Indexes, General Information (by Doc #)
- - - 001-004 Division - Company Issued Practices
- - - 000 Division - General Info and Numeric Index
- - - - 000-000 Cross Reference Indexes
- - - 005 Division - Abbreviations, Definitions,...
- - - 006 Division - Microfilm Systems
- - - 010 Division - General Methods
- - - 007 Division - Electronic Data Processing
- - 020 - 199 Apparatus, Tools, Gauges, Test Eq, Power
- - - 020 Division - General Info for Divs 020 - 178
- - - 022 - 049 Divisions - Apparatus
- - - - 024 Division - Amps, Controllers, Tubes ...
- - - - 026 Division - Electrical Components
- - - - 028 Division - Bells, Dials, Headsets, Sounders
- - - - 030 Division - Call Timing & Registers
- - - - 032 Division - Capacitors, Cords, Plugs, ...
- - - - 034 Division - Distributers, Regenerators,
- - - - 040 Division - Relays
- - - 065 - 069 Divisions - Misc Equip & Methods
- - - - 065 Division - Furniture, Fixtures & Materials
- - - - 067 Divsion - Concentrators
- - - - 069 Division - Misc Methods - Cabling, Cleaning
- - - 074 - 099 Divisions - Tools and Gauges
- - - - 074 Division - Catalogue Info - Tools
- - - - 075 Division - Tools & Materials - Common Use
- - - - 076 Division - Tools and Materials
- - - - 080 Division - Tools & Materials - Customer Equip
- - - - 081 Division - Tools & Materials - Outside Plant
- - - - 084 Division - Catalogue Info - Gauges
- - - - 085 Division - Gauges (Common Usage)
- - - 100 - 109 Divisions - Test Equipment
- - - - 100 Division - Test Equipment
- - - - 102 Division - Test Equipment, Electrical Ind. Ins
- - - - 103 Division - Transmission Test Equipment
- - - - 105 Division - PBX & Station Test Equipment
- - - - 106 Division - Electrical Test Equip
- - - 155 - 178 Divisions - Power
- - - - 155 Division - Alternators, Generators, Tone Mach
- - - - 157 Division - Batteries
- - - - 167 Division - Power Plants & Supplies
- - - - 169 Division - Rectifiers and Filament Supplies
- - - - 171 Division - Misc Power Circuits
- - - 179 Division - Signaling & Ringing Circuits
- - - 190 Division - Operations Support Systems
- - 200 - 289 Divisions - Switching Systems
- - - 255 Division - Processor Controlled Anciliary Sys
- - - 250 Division - Traffic Service Systems
- - - 241 Division - DMS-10 Digital Multiplex System
- - - 232 Division - No. 2 ESS
- - - 231 Division - No. 1 ESS
- - - 220 Division - Crossbar Tandem Offices
- - - 218 Division - No. 5 Crossbar Offices
- - - 216 Division - No. 1 Crossbar Offices
- - - 215 Division - Panel Offices
- - - 211 Division - No. 1,3,5 & 6 Toll Offices ...
- - - 210 Division - Service Observing, Plant & Traffic
- - - 205 Division - Automatic Data Test Circuits
- - - 200 Division - Switching Systems
- - - 256 Division - Common Channel Signaling System
- - - 254 Division - Stored Program Control
- - - 234 Division - No. 4 Electronic Switching System
- - - 233 Division - No. 3 Electronic Switching System
- - - 225 Division - Testing Information
- - - 212 Division
- - - 201 Division - Supplemental Information - Central
- - - 226 Division - Step-by-Step, Community Dial Office
- - - 252 Division - Traffic Mgmt Systems
- - - 227 Division - Gen'l & Testing Info
- - 300 - 379 Divisions - Transmission Sys & Testing
- - - 320 Division - Program Transmission Systems & Serv
- - - 330 Division - Cable & Open-Wire Testing
- - - 332 Division - Voice-Frequency Equipment
- - - 318 Division - Television Systems
- - - 300 Division - Transmission Systems and Testing
- - - 301 Division - Transmission Noise
- - - 302 Division - Transmission Test Line
- - - 304 Division - Transmission Data
- - - 309 Division - Switched Services Networks
- - - 310 Division - Private Line Tel Systems & Services
- - - 356 Division - Analog Multiplex Terminal Equipment
- - - 311 Division - Switched Special Services Systems
- - - 312 Division - Private Line Data Systems and Serv.
- - - 313 Division - Voice and Voiceband Data Channels
- - - 314 Division - Digital and Analogue Data Trans.
- - - 331 Division - Transmission Noise Testing
- - - 333 Division - Interoffice Signaling Systems
- - - 362 Division - Type N, 0, and ON Carrier
- - - 363 Division - Pair Gain Systems
- - - 365 Division - Digital Transmission Systems
- - 400 - 449 Divisions - Radio
- - - 400 Division - Radio - Administration
- - - 402 Division - Antennas, Trans. Lines & Wave Guide
- - - 403 Division - Marine & Emergency Radio
- - - 404 Division - Manual Mobile Radio
- - - 409 Division - TE, TJ, TL, and TM Microwave Radio
- - - 417 Division - 3A - Radio Digital Systems
- - 460 - 489 Wiring, Special Services
- - - 460 Division - Customer Equipment, General Info
- - - 461 Division - Wiring and Cabling
- - - 462 Division - Drop and Block Wiring
- - - 463 Division - Misc. Apparatus (Installation)
- - - 469 Division - Admin Info - Customer Equipment
- - - 473 Division - Intra-PBX Services
- - - 480 Division - Private Service Systems
- - 500 - 529 Station Equipment
- - - 500 Division - Station Sets - General
- - - 501 Division - Station Set Components
- - - 502 Division - Station Sets - Common Battery
- - - 503 Division - Station Sets - Modular Common Bat.
- - - 504 Division - Selector Consoles, Telephone Cons.
- - - 506 Division - Coin Telephone Sets, Common Battery
- - - 508 Division - Booths, Shelves, Signs...
- - - 510 Division - Station Sets and Coin Collectors
- - - 512 Division - Automatic Dialers, Speakerphones...
- - - 514 Division - Answering and Announcement...
- - - 518 Division - KTS, Video, Switching...
- - - 529 Division - Station Apparatus for Specially Eng
- - 530 - 559 Private Branch Exchanges
- - - 533 Division - Customer Premises Systems
- - - 534 Division - PBX - Common Sections
- - - 536 Division - 500 Series PBX
- - - 540 Division - More Than One PBX Series
- - - 548 Division - 750A PBX
- - - 550 Division - 755A PBX
- - - 551 Division - 756A, 757A, 758A-B-C, 761, 770 PBX
- - 570 - 598 Teletypewriter, Data Services
- - - 570 Division - Teletype Gen'l Info
- - - 574 Division (TTY 30 Series Teleprinters)
- - - 592 Division - 200 Series Data Sets
- - 620 - 649 Outside Plant
- - - 620 Division - Outside Plant - Gen'l
- - - 621 Division - Pole Lines
- - - 622 Division - Conduit, Manholes, and Cable Vaults
- - - 623 Division - Open Wire
- - - 624 Division - Multiple Line Wire
- - - 626 Division - Cables, Wire, and Apparatus
- - - 627 Division - Areial, Block & House Cable
- - - 629 Division - Buried Plant
- - - 631 Division - Cable Terminals
- - - 632 Division - Cable Splicing
- - - 634 Division - Electrical Cable Testing and Ident.
- - - 638 Division - Electrical Protection & Bonding
- - - 640 Division - Outside Plant - Carrier Apparatus
- - - 642 Division - Dedicated Plant
- - 660 - 984 Vehicles, Supplies, Gen'l
- - - 918 Division - Facility Design, Applied Protection
- - - 812 Division - Station Systems
- - - 940 Division - Radio Engineering
- - - 824 Division - Operations Support Systems
- - - 780 Division - Engineering Planning
- - - 759 Division - Time Share Programs
- - - 752 Division - Bellcore Practices (1990s)
- - - 751 Division - Common Language
- - - 750 Division - Business Information Systems, Gen'l
- - - 749 Division - SWBT Procedures
- - - 748 Division - SWBT Procedures
- - - 747 Division - Supplies, Plut-In Equipment
- - - 744 Division - Supplies, Distribution
- - - 740 Division - Supplies, General Information
- - - 804 Division - Toll Systems
- - - 972 Division - Teletypewriter and Data Systems
- - - 953 Division - Switchboard, Desks
- - - 820 Division - No. 1, 1A, 2, 2A, 3, and 4 ESS
- - - 802 Division - Power Systems
- - - 790 Division - Eng. Administrative Practices
- - - 770 Division - Building Operation
- - - 745 Division - Material Returns
- - - 743 Division - Supply Ordering and Computer Cont.
- - - 742 Division - Supply Controls
- - - 741 Division - Supporting Functions
- - - 720 Division - Motor Vehicles and Construction App
- - - 682 Division - Trunk Plant and Special Services
- - - 680 Division - Customer Plant
- - - 668 Division - Data Test Centers
- - - 667 Division - Switched Maintenance and Access
- - - 666 Division - Testboards Test Positions Spec Svc
- - - 664 Division - Test Boards for Other than Spec Svc
- - - 660 Division - Test Center Operation
- - - 900 Division - Outside Plant Engineering
- - - 851 Division
- - - 800 Division - Equipment Design & Requirements
- - - 662 Division
- - - 795 Division - Common Language
- - - 760 Division - Building Engineering
- - - 801 Division - Common Systems
- - - 852 Division - (500-series Performance)
- - - 955 Division - Step-byStep & Community Dial
- - - 876 Division - Protection Practices
- - - 975 Division - Signaling Systems
- - - 981 Division - Equip on Customers' Premises
- - - 982 Division - Private Service Systems
- - - 937 Division - Outside Plant Engineering - Management Coordination
- - 950 - 993 Division (8 Digits Series)
- - - 981 Division (8 Digits Series)
- - - 950 Division (8 Digits Series)
- - - 971 Division (8 Digits Series)
- - - 986 Division (8 Digits Series)
- - - 993 Division (8 Digits Series)
- - - 991 Division (8 Digits Series)
- BSP Categories by early Letter Code (by Doc #)
- - AA-Series - Equipment Engineering
- - B-Series - PBX Installation and Maintenance
- - C Series - Station Installation and Maintenance
- - - C00 - C29: Index, General, Apparatus, Wiring
- - - C30 - C31: General Apparatus, Subsets, Components
- - - C32 - Telephone Sets
- - - C33 - C38: Dials, Transmitters, Receivers, Cords
- - - C39 - Coin Stations
- - - C40 - C99: Magneto, Public Tel, Special Uses, etc.
- - G-Series - Outside Plant
- - M-Series - Plant
- AT&T Specifications (pre-BSP) (by Doc #)
- Canadian Practices
- - Bell Telephone Company of Canada
- CMP - Crafts Manual Practices
- DFMP - Dial Facilities Management Practices
- AT&T Practices
- Lists of BSPs compiled from various sources
- BSRS - Bell System Repair Specifications
- - D-series - Recovery and Repair
- TOP - Traffic Operating Practices
Bruce Crawford Library
- American Telecommunications (ATC)
- Miscellaneous Textbooks and Publications
- Leich
- Switching Special Applications
- - Railroad Communications
- - Homebrew
- - - Revertive Ringing Trunk
- - AUTOVON
- Other Makers
- BTMC Antwerp
- Automatic Electric
- - Bulletins
- - AE Switching Documents
- - E and H Reference Docs
- - - H-75607 Fire Reporting Firemans Conference Circuit
- - - H-18781 A-1 Toll Transmission Selector
- - - H-18838 A-1 Ring Back Switch Circuit
- - - H-580089- Reverse_Battery_Switch_Through_One_and_Two_Digit_Trunking_Connector
- - - H-850678-A
- - - H-18876 A-1 Ring Back Relays & Int
- - - H-610035 Coin Tel Adpt. Ckt
- - - H-75159 10 Line Isolated PAX 24 Volts Circuit Exp
- - - H-18898-A-1 Test Distributor Selector Cir
- - - H-61293 Paging Transfer Circuits Selective Ringing
- - - H-18899 A-1 2-Wire Repeater Circuit
- - - H-28318-A 2-Wire Repeater Circuit
- - - H-35868 - 200 Point Linefinder
- - - H-51297- Ringing Converter
- - - H-51301
- - - H-61350 AE Coin Trunk
- - - H-51303
- - - H-580056
- - - H-580059
- - - H-580260_Conn_Ckt_Local_or_Toll_Trk_Lev_Htg
- - - H-580288
- - - H-580294
- - - H-58952
- - - H-85175 Dial Speed Spotter Pulse Testing Ckt
- - - H-75311
- - - H-85500- A Intercept Trunk Circuit
- - - H-85075
- - - H-580298
- - - H-580361
- - - H-580364- TRK and LEV hunting Conn
- - - H-580368 LineFinder Ckts
- - - H-610075
- - - H-850665
- - - H-850603-A I1 Jun65 CAX Selector Marker
- - - H-83242 i1 Apr62 - End Office Test Trunk
- - - H-850061 - 40 Cycle Ringback Tone Generator TG-1
- - - H-850215 - Register Sender Circuit
- - - H-61876 - Pre-Pay Paystation Repeater Trunk Booster Bat 4th Wire Metering
- - - H-851053 - Cross Point Switch Circuit
- - - H-720946 - CAX Selector Marker P
- - - H-85289 - LINEFINDER SWITCH TEST STAND
- - - H-610010 - Outgoing Trunk Circuit
- - - H-75592 - Two Way PABX Tie Trunk Ckt - 2 or 4 Wire Operation
- - - H-85919 - Type 26A Switch Tester Portable Routine Test Set Ckt
- - - H-856252 - Rev Call Sw10 pty coded
- - - H-61847_Timer_Ckt_for_Permanents_Conversations_Trunks
- - - H-610144-A_Two_Way_Repeater
- Bell System Practices
- Tele-Norm
- Cook Electric
- Bell System/WECo - General Publications
- - WEco Telephone Communication Systems
- - - Edition Comparison
- ITT
- - Key Systems
- Lorain Products
- Kellogg
- - Key Equipment
- Lynch Communications
- - Lynch B325 Manual
- Melco
- North Electric
- Northeast Electronics
- San Bar Practices
- Stromberg Carlson
- Tellabs
- Valcom
- Teltone
- - M168
- Wescom
- Western Electric
- - Number 5 Toll Testboard
- - WEco Switching Documents
- - - WECo Switching - General and Training Documents
- - - WECo Manual Switching
- - - - Number 5 Toll Testboard
- - - - 3C-and-3CL-Switchboard
- - - WECo Step by Step (SxS)
- - - - SxS CO TEOs
- - - WECo Panel
- - - - CO Maintenance Docs
- - - - MOO and X- Docs - 1920s
- - - WECo Crossbar
- - - - No. 5 Crossbar book
- - - - SS-400 Crossbar
- - - - No. 5 Crossbar - Wire Spring Relay Circuit - Vol 1
- - - Electronic Switching System (ESS)
- - - - 1ESS
- - - - 4ESS
- - - WEco Components
- - 740 PBX - All Documentation*
- - 750 PBX - All Documentation
- - 755 PBX - All Documentation
- - 1A and 1A1 Key Equipment
- - 1A2 Equipment
- - - 400d ktu
- - 2A-Farm-Interphone
- - 6A-Equipment
- - 15A-23A-Key-Systems
- - N1-Carrier
- - No.2-Local-Test-Cabinet
- - SD-CD-96335-01_Dial_Testing_Circuit_LTC_No-3
- - SD-CD-25791-01_No-Such-Number_Tone.pdf
- - SD-CD-56134_2B_Signaling_Test_Set
- - ED-65720 Line Finder Schematic & Sequence Chart
- - SD-CD-99706-24A_Loop_Checker
- - SD-CD-99707-24B_Loop_Checker_Generator
- - SD-CD-66144-012_Connector_701B
- - SD-CD-65773_701B_BatCutOff
- - SD-CD-63394-Broadband Carrier Systems
- - SD-CD-59070
- - SD-CD-69286-01 6A Key Telephone System
- - SD-CD-62440-01 I29 Nos. 3 Toll and Tandem Switchbo
- - SD-CD-64800-01 Toll Systems - Switchboard No. 3C o
- - SD-CD-30200-Step-by step systems no.1 or 350A Loca
- - SD-CD-30243-TestConn-350-355A
- - SD-CD-30228 Toll and Local Connector
- - SD-CD-30903-35-E-97-Local-Connector-One-Ring-Gen-Co
- - SD-CD-30976-01_3_4_Wire_Selector
- - SD-CD-30978-8PtyRevCallSel-350-355-360A
- - SD-CD-33013-i4D-No1_350A_355A_360A_35-E-97_200_Point_Linefinder_Trunk_Finder_3-Wire
- - SD-CD-31592-CoinTrkCkt350-355-360A
- - SD-CD-31637-J34719A-ConnTstSet
- - SD-CD-31739-01_No1_350A_355A_Comb_Conn_Ckt
- - SD-CD-69105-01_KTS No. 1A, Private Line
- - SD-CD-1a246-01_MF_Receiver
- - SD-CD-32133-01-SubLineCkt350-355-360A
- - SD-CD-65680-505-506-507-Switchboards
- - SD-CD-65714-557A-General-Ckts
- - SD-CD-65715-555-557A-CO-TrunkCkt
- - SD-CD-65721-Sel-Conn
- - SD-CD-65727-557A-SecLineAndLineLampTstCkt
- - SD-CD-65729-557B-TAS-SWBD
- - SD-CD-65731-557B-TAS-SWBD
- - SD-CD-66037-01-Tst-Line-701A-701B-711A-711B-Conn-S
- - SD-CD-66073-01-Tst-Set-J54701B-701-A-B-711-A-B-740
- - SD-CD-66520-555-General-Ckts
- - SD-CD-66537-555-StationLineCkts
- - SD-CD-69513-1A2LineCkt
- - SD-CD-69556-4WPrivateLineTerminatingStationCkt
- - SD-CD-73094-911NA-Tst-Set
- - SD-CD-95259-KS16617Amp
- - SD-CD-96181-No3-Tst-Cabinet
- - 3XB - SD-CD
- - 5XB - SD-CD
- - CDs, SDs and T-drawings
- - - CD-81719-01 404 405 Dial Tone Generator
- - - SD-CD-96471
- - - CD-SD-1C297-01 Coin Station Test Line
- - SD-CD-31088
- Wilcom
- Panasonic
- - KX-T61610 Easa-Phone - Electronic Modular Switching System
- Northern Electric / Northern Telecom
- ITEC
- Avaya
- - MS Visio Files
Wiring Diagrams & Technical Library
- Military United States
- Western Electric
- - 331A and 331B Portable Telephone Sets
- - 500 Series Multi-Line Telephones
- - 500 Series Wall Telephones
- - 322 Elevator Telephones
- - Foreign Market
- - G Type Handset Mountings
- - Test Set Phones
- - 294 Fiddleback
- - 250 Series Desk Telephones
- - 252 Series Wall Telephones
- - EE-8 Field Telephone
- - Outdoor Type Telephone Sets
- - Magneto Telephones
- - Miscellaneous Procedures
- - Dials
- - 50A1 Conference Set
- - Desk Stands
- - 660 Series Card Dialer Telephones
- - Component Specifications
- - - X-75509_Specification_for_Wire_Spring_Relays
- - Composite Telephones
- - Ancillary Devices
- - Subscriber's Sets
- - Wall Telephone (Hotel) Sets
- - Coin Collectors
- - 400-series
- - Design Line
- - Trimline
- - Princess
- - 3500-series (AUTOVON)
- - 2500-series
- - 1500-series
- - 500-series
- - 300-series
- - ABCDE Mountings
- - - C1 Handset Mountings
- - - E Type Handset Mountings
- - - B1 and D1 Handset Mountings
- - - A1 or B1 Handset Mountings
- - - Method of mounting N-205 Mini Network inside of a
- Automatic Electric
- Ericsson
- - Ericsson Sweden
- - Ericsson UK
- Stromberg Carlson
- - SC Wiring Diagram Books
- Northern Electric/Northern Telecom
- Kellogg Switchboard and Supply Company (includes ITT & Cortelco)
- American Telecommunications Corporation (ATC)
- North Electric
- Leich
- Russia
- Telefon Fabrik Automatic
- Allen Tel Products
- Siemens
- - Siemens (Telecomunicazioni AUSO) Italy
- - Siemens und Halske Germany
- RFT Fernmeldewerk Nordhausen VEB
- Connecticut Telephone and Electric
- PTT France
- Garford Telephones
- International Telephone and Telegraph Company
- Shanghai Telecommunications Factory (Formerly IT&T
- Sumter Telephones
- Emil Møllers Telefonfabrikker Denmark
- Garford North Sumpter
- PMG Australia
- Military German
- PTT the Netherlands
- RTT Belgium
- General Information
- - Colors
- - Troubleshooting Techniques
- - The Vincent Rare Gas Relay
- - Modular Plug and Jack Wiring
- - Siecor Half-Ringer unit
- Colin Chambers Files
- ITALTEL - Italy
Catalogs, Manuals, Educational Docs (by Company)
- Industry Publications
- - BNR
- - - Telesis
- - - Miscellany
- - Nortel
- Western Electric/Bell System
- - Publications and Educational Documents (by Date)
- - - BLR
- - - - BLR Index
- - - - BLR Collections
- - - AT&T Radio Notes
- - - - AT&T Radio Notes - 1959 (vol. 14)
- - - - AT&T Radio Notes - 1960 (vol. 15)
- - - - AT&T Radio Notes - 1961 (vol. 16)
- - - - AT&T Radio Notes - 1962 (vol. 17)
- - - - AT&T Radio Notes - 1966 (vol. 21)
- - - Bell Telephone Quarterly / Bell Telephone Magazine
- - - WE Railway Telephones
- - - Western Electric - Fundamentals of Telephony
- - - BSTJ - Bell System Technical Journal
- - - Bell System History Reference Books
- - - - Extracts
- - Manuals (by Date)
- - - SWBT Service and Equipment Manual
- - - How to Use / Operate ...
- - - - Reference Lists of How to Use Documents
- - Civil Defense
- - Marketing Documents (by Date)
- - Catalogs (by Date)
- - - Western Electric Card Catalog
- - - Reference - Catalog Extracts
- - Facility Locations
- - Practices (non-BSP)
- American Electric
- Automatic Electric / GTE
- - AE Catalogs
- - - AE Catalog 11,000 - 1965-75
- - AE Circulars and Brochures
- - AETJ - AE Technical Journal
- Altec
- ATEA
- British Ericsson
- BTMC
- Kellogg & ITT
- - Select-O-Phone
- Keystone Telephone Company of Pittsburgh
- Leich
- LM Ericsson
- North Electric
- Northern Electric / NT / Nortel
- Philips Telecommunication
- Standard Telephones and Cables Limited
- Stromberg Carlson
- - SC Catalogs
- - - SC Catalog 1967
- - - SC Catalog 1940
- Other Manufacturers
- - Tesla
- - Connecticut
- - Electronic Secretary Industries
- - Norelco
- - Bohnsack
- - Keystone Telephone Company of Pittsburgh
- - Comdial
- General Textbooks (by Title)
- BK Precision
- Gray
- Military Telecom
- ATC/DecoTel
- Distributors and Retailers
- AT&T
- Terryphone
- DASA-Magicall
- DeTeWe
AE Technical Bulletins (by Doc #)
GSP - General Tel System Practices (by Doc #)
- GTE Handbooks and Indices
- Section 57
- Section 55
- Section 30
- Section 23
- Practice 720
- Practice 380
- Practice 356
- 489 Division
- 256 Division
- 473 Division
- 100 Division
- 503 Division
- 478 Division
- 491 Division
- 471 Division
- 476 - Coin Telephone Sets and Associated Apparatus
- 997 Division - Subscriber Equipment
ITT Practices
- Cortelco Practices
- Kellogg TIMM Handbooks
- ITT - Cortelco Telephone Apparatus Practices Binders
Northern Telecom / Northern Electric Practices
Stromberg Carlson Practices
- 081 Division
C*NET documents
Printable Documents
- Number Cards
- Pay and coin phone instruction cards etc.
- Battery Labels
- Booth Cards
Miscellaneous Topics
- REA - Rural Electrification Administration
- - REA Documents
- Telephone Directories
- Pagers
- Tools
- Telephone Answering Machines
- Calculagraph
- Phones in Movies
- Pac Tel Power Manual Complete
- Outside Plant
- British
- Humor
- Pay phone / booth
- Teletype
- Mobile and Cellular Telephone
Document Archive
- To Be Deleted
Ads
- Bell System
- GTE - AE
- Magazine Covers
- Yellow Pages
- - TCI Library Tests 1 - Temporary
- Western Electric
Historian's Corner
- Telephone Dials and Pushbuttons by Stanley Swihart
- Ralph Meyer References
- AT&T Chester Telephone Pole Farm
- PATENTS: Telephones and Components
- Tales from Vienna
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