Bell System Practices
Western Electric Telephones and Equipment
As scanned by Frank Harrell (AKA Cowboy Frank)

File Naming Conventions
 NameSizeDescription

[DIR]Parent Directory -  
[   ]512-000-000-i40_1981-08-01.pdf191K  Numerical Index Division 512
[   ]512-115-100-i04_1970-10-01.pdf1.3M  KS-16844, Rapidial
[   ]512-125-300-i02_1970-10-01.pdf344K  KS-19594 Dialer
[   ]512-125-400-i05_1970-08-01.pdf750K  KS-19594 Dialer, connections to telephone sets with rotary dials
[   ]512-125-410-i02_1970-08-01.pdf711K  KS-19594 Dialer, connections to telephone sets with Touch Tone dials
[   ]512-125-430-i02_1970-12-01.pdf843K  KS-19594 Dialer, connections to switchboards and mis key equipment
[   ]512-210-101-i01_1975-10-01.pdf680K  6017, 6026 and KS-21254, Spearetely Mounted Keys, (Lever type)
[   ]512-210-101-i03_1975-10-02.pdf827K  Newer Issue
[   ]512-210-101-i04_1979-04-02.pdf1.4M  Newer Issue
[   ]512-210-103-i05_1974-08-01.pdf3.2M  6040, 6041, 6050 and 6051, Spearetly Mounted Keys, (Illuminated Pushbutton type)
[   ]512-210-103-i06_1979-07-02.pdf2.4M  Newer Issue
[   ]512-220-100-i07_1979-04-01.pdf761K  549 and 551 Type Pushbutton Keys
[   ]512-314-100-i04_1970-12-01.pdf243K  4-A Key Equipmnet, Ident. Inst. Maint
[   ]512-314-400-i10_1970-12-01.pdf1.0M  4-A Key Equipmnet, Common Battery talking, Common Battery signaling
[   ]512-314-400-i11_1973-10-02.pdf1.1M  Newer Issue
[   ]512-510-200-i07_1970-12-01.pdf584K  1A Home Interphone System
[   ]512-510-401-i03_1970-10-01.pdf667K  1A Home Interphone System, 511 type telephone sets
[   ]512-510-403-i01_1967-11-01.pdf489K  1A Home Interphone System, 558 type telephone sets
[   ]512-510-405-i02_1970-09-01.pdf384K  1A Home Interphone System, 711B type telephone sets
[   ]512-510-406-i02_1970-10-01.pdf320K  1A Home Interphone System, 712B type telephone sets
[   ]512-510-408-i02_1970-09-01.pdf890K  1A Home Interphone System, 751 type telephone sets
[   ]512-510-410-i03_1970-09-01.pdf864K  1A Home Interphone System, 752 type telephone sets
[   ]512-510-412-i02_1970-09-01.pdf783K  1A Home Interphone System, 754 type telephone sets
[   ]512-510-421-i01_1967-09-01.pdf572K  1A Home Interphone System, 1511 type telephone sets
[   ]512-510-423-i01_1967-12-01.pdf293K  1A Home Interphone System, 1558D type telephone sets
[   ]512-510-426-i02_1970-10-01.pdf473K  1A Home Interphone System, 1712B type telephone sets
[   ]512-510-428-i02_1970-09-01.pdf600K  1A Home Interphone System, 1751 type telephone sets
[   ]512-510-430-i03_1970-10-01.pdf1.2M  1A Home Interphone System, 1752 type telephone sets
[   ]512-510-441-i03_1970-10-01.pdf434K  1A Home Interphone System, 2511F/H type telephone sets
[   ]512-510-443-i02_1970-10-01.pdf402K  1A Home Interphone System, 2558D type telephone sets
[   ]512-510-446-i01_1967-09-01.pdf323K  1A Home Interphone System, 2712B type telephone sets
[   ]512-510-448-i02_1970-10-01.pdf488K  1A Home Interphone System, 2751 type telephone sets
[   ]512-510-450-i02_1970-11-01.pdf885K  1A Home Interphone System, 2752 type telephone sets
[   ]512-510-452-i03_1970-11-01.pdf744K  1A Home Interphone System, 2754 type telephone sets
[   ]512-515-200-i05_1967-12-01.pdf457K  2A Farm Interphone System
[   ]512-520-100-i02_1970-01-01.pdf503K  Apartment Door Answering, 2744A type telephone sets
[   ]512-534-100-i05_1975-11-01.pdf501K  2A Communication System (Business Interphone)
[   ]512-535-201-i03_1967-12-01.pdf731K  3A Communication System, (Hospital Interphone) Control Console
[   ]512-620-100-i05_1971-01-01.pdf710K  3-Type Speakerphone System
[   ]512-620-100-i07_1978-10-02.pdf592K  Newer Issue
[   ]512-620-400-i05_1964-04-01.pdf2.5M  3 Type Speakerphone System, Control Units and Transmitter Units Connections
[   ]512-620-410-i02_1970-11-01.pdf849K  3 Type Speakerphone System, 500R/S, 1500S and 2500S Telephone set
[   ]512-620-410-i03_1972-09-02.pdf171K  Newer Issue
[   ]512-620-415-i04_1972-09-01.pdf491K  3 Type Speakerphone System, 511, 1511 and 2511 type Telephone sets
[   ]512-620-418-i03_1970-11-01.pdf338K  3 Type Speakerphone System, 558, 1558 and 2558 type Telephone set and maint.
[   ]512-620-418-i04_1972-09-02.pdf297K  Newer Issue
[   ]512-620-420-i02_1970-11-01.pdf541K  3 Type Speakerphone System, 565, 1565 and 2565 type Telephone set
[   ]512-620-420-i04_1974-04-02.pdf886K  Newer Issue
[   ]512-620-440-i02_1970-09-01.pdf613K  3 Type Speakerphone System, 630, 631, 1630, 1631, 2630 and 2631 type Telephone set
[   ]512-620-440-i05_1979-01-01.pdf438K  3 Type Speakerphone System, 630, 631, 1630, 1631, 2630 and 2631 type Telephone set
[   ]512-620-440-i05_1979-07-02.pdf1.4M  Newer Issue
[   ]512-620-441-i02_1970-09-01.pdf606K  3 Type Speakerphone System, 631 type Telephone sets
[   ]512-620-442-i02_1970-12-01.pdf236K  3 Type Speakerphone System, 632, 1632 and 2632 type Telephone set
[   ]512-620-442-i03_1974-04-02.pdf400K  Newer Issue
[   ]512-620-460-i03_1970-11-01.pdf384K  3 Type Speakerphone System, 660A1 type Telephone set
[   ]512-620-462-i03_1970-08-01.pdf205K  3 Type Speakerphone System, 662 type Telephone set and maint.
[   ]512-620-472-i03_1970-10-01.pdf333K  3 Type Speakerphone System, 702B type Telephone sets
[   ]512-620-480-i02_1970-11-01.pdf332K  3 Type Speakerphone System, 752, 1752 and 2752 type Telephone set and maint.
[   ]512-620-480-i03_1974-04-02.pdf413K  Newer Issue
[   ]512-620-487-i02_1975-12-01.pdf422K  3 Type Speakerphone System, 832, 2832, 833 and 2833 type Telephone set
[   ]512-620-495-i02_1970-10-01.pdf178K  3 Type Speakerphone System, 851A1M type Telephone set
[   ]512-620-495-i03_1974-04-02.pdf416K  Newer Issue
[   ]512-622-405-i02_1970-11-01.pdf203K  3 Type Speakerphone System, 2500S type Telephone sets
[   ]512-622-410-i03_1970-11-01.pdf300K  3 Type Speakerphone System, 2511 type Telephone sets
[   ]512-622-413-i02_1970-11-01.pdf330K  3 Type Speakerphone System, 2558D type Telephone sets
[   ]512-622-415-i02_1970-11-01.pdf455K  3 Type Speakerphone System, 2565 type Telephone sets
[   ]512-622-430-i02_1970-10-01.pdf362K  3 Type Speakerphone System, 2630 type Telephone sets
[   ]512-622-431-i02_1970-12-01.pdf377K  3 Type Speakerphone System, 2631 type Telephone sets
[   ]512-622-432-i02_1970-12-01.pdf243K  3 Type Speakerphone System, 2632 type Telephone sets
[   ]512-622-460-i02_1970-11-01.pdf318K  3 Type Speakerphone System, 2660 type Telephone sets
[   ]512-622-462-i03_1970-11-01.pdf207K  3 Type Speakerphone System, 2662 type Telephone sets
[   ]512-622-472-i03_1970-11-01.pdf302K  3 Type Speakerphone System, 2702B type Telephone sets
[   ]512-622-480-i03_1970-11-01.pdf318K  3 Type Speakerphone System, 2752 type Telephone sets
[   ]512-622-495-i02_1970-11-01.pdf288K  3 Type Speakerphone System, 2851A1M type Telephone sets
[   ]512-630-111-i02_1979-05-01.pdf596K  50A1 Conference Set
[   ]512-630-201-i02_1965-06-01.pdf1.4M  KS-19134 L1 Conference Set (tube version)
[   ]512-700-100-i01_1973-05-01.pdf875K  4 Type Speakerphone Components
[   ]512-700-100-i01_1980-08-03.pdf 61K  Addendium
[   ]512-700-100-i05_1979-04-02.pdf1.1M  Newer Issue
[   ]512-710-405-i01_1973-04-01.pdf465K  4 Type Speakerphone, 500S, 500SM, 2500S, and 2500SM Telephone sets
[   ]512-710-410-i06_1981-07-01.pdf1.0M  4 Type Speakerphone, 511 and 2511 Telephone sets
[   ]512-710-412-i05_1981-06-01.pdf1.1M  4 Type Speakerphone, 558D, 558F, 558FM, 2558D and 2558DM Telephone sets
[   ]512-720-405-i05_1980-10-01.pdf773K  4 Type Speakerphone, 565 and 2565 plug-ended Telephone sets
[   ]512-720-406-i03_1979-04-01.pdf546K  4 Type Speakerphone, 566MD and 566MDM Telephone sets
[   ]512-730-400-i04_1979-09-01.pdf1.1M  4 Type Speakerphone, 660, 631, 632, 634, 635, 2630, 2631, 2632,, 2634 and 2635 Telephone sets
[   ]512-730-450-i05_1979-09-01.pdf966K  4 Type Speakerphone, 660A1, 2660A1, 2660A1M Telephone sets
[   ]512-730-455-i03_1978-01-01.pdf813K  4 Type Speakerphone, 662, and 2662 Telephone sets
[   ]512-730-460-i04_1980-09-01.pdf604K  4 Type Speakerphone, 682, 683, 2682 and 2683 Telephone sets
[   ]512-740-405-i03_1979-04-01.pdf1.0M  4 Type Speakerphone, 702B, 702BM, 2702B and 2702BM Telephone sets
[   ]512-740-410-i06_1981-08-01.pdf1.4M  4 Type Speakerphone, 711B, 712B, 712BM, 2712B and 2712BM Telephone sets
[   ]512-740-470-i06_1979-09-01.pdf972K  4 Type Speakerphone, 830, 831, 2830 and 2831 Telephone sets
[   ]512-740-471-i04_1979-09-01.pdf463K  4 Type Speakerphone, 832, 833, 2832 and 2833 Telephone sets
[   ]512-740-480-i04_1979-09-01.pdf1.0M  4 Type Speakerphone, 851 and 2851 Telephone sets
[   ]512-740-481-i02_1979-09-01.pdf400K  4 Type Speakerphone, 852 and 2852 Telephone sets
[   ]512-750-100-i01_1981-08-01.pdf1.1M  Telehelper® Type Speakerphone

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Site first posted January 30, 2012       Domain regesterd: Febuary 1, 2012