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

File Naming Conventions
 NameSizeDescription

[DIR]Parent Directory -  
[   ]501-110-100-i05_1970-06-01.pdf425K  Apparatus Blanks Identification
[   ]501-120-100-i08_1973-03-01.pdf1.1M  Buzzers and Bells Reference
[   ]501-120-100-i11_1980-01-02.pdf918K  Newer Issue
[   ]501-120-100-i12_1981-08-02.pdf1.0M  Newer Issue
[   ]501-135-100-i01_1974-03-01.pdf772K  Networks 425D, 425E, 425F, 425J, 425K, 4010B, 4010C, 4010D, 4010E, 4228A, 4228B, 4228G
[   ]501-136-100-i01_1972-05-01.pdf603K  Station Transformers Identification
[   ]501-136-100-i05_1972-05-02.pdf544K  Newer Issue
[   ]501-136-100-i07_1979-11-02.pdf828K  Newer Issue
[   ]501-150-100-i05_1969-05-01.pdf364K  Station Number Cards and Holders
[   ]501-150-102-i04_1970-07-01.pdf1.0M  Designation strips and cards
[   ]501-150-102-i05_1978-03-02.pdf747K  Newer Issue
[   ]501-162-101-i01_1968-11-01.pdf 63K  Station Dials, 9-type (rotary) Identification and Maintenance
[   ]501-162-101-i05_1967-12-02.pdf391K  Newer Issue
[   ]501-162-103-i01_1967-12-01.pdf382K  Station Dials Touch-Tone type Selection
[   ]501-164-105-i01_1968-06-01.pdf2.0M  Station Dials, 25-type (Touch Tone) Identification and Maintenance
[   ]501-164-105-i05_1968-06-02.pdf1.9M  Newer Issue
[   ]501-164-115-i10_1980-05-01.pdf679K  Station Dials, 35-type (Touch Tone) Identification and Maintenance
[   ]501-164-131-i06_1976-02-01.pdf543K  Station dials, 1036 and F-56310 types (Card Dialer TT) Identification and Connections
[   ]501-164-131-i07_1976-02-02.pdf1.4M  Newer Issue
[   ]501-164-203-i01_1979-07-01.pdf498K  1200AT1, Touch-A-Matic 12 Adjunct Dial (TouchTone) Identification, Installation, Connections, Operation and Maintenance
[   ]501-164-203-i01_1979-09-03.pdf 55K  Addendium
[   ]501-164-203-i02_1982-09-02.pdf694K  Newer Issue
[   ]501-164-204-i01_1979-10-01.pdf499K  1200AR1 touch-a-matic 12 adjunct dial (Rotary) Identification, Installation, Connections, Operation and Maintenance
[   ]501-165-117-i02_1982-09-01.pdf378K  72 type station dials Identification, Connections, and Maintenance
[   ]501-210-102-i06_1974-01-01.pdf1.0M  Handsets, G1, G2, G3, G4, G5, and G11 types Identification, Connections, and Maintenance
[   ]501-210-103-i05_1973-04-01.pdf298K  Handsets, G12A and G15A (larg plug type) Identification, Connections, and Maintenance
[   ]501-210-110-i01_1980-07-01.pdf 92K  Handset M1A Identification, Connections, and Maintenance
[   ]501-211-102-i01_1971-03-01.pdf 71K  Handsets (Amplifier) G6 G7 G8 G13 Identification, Connections, and Maintenance
[   ]501-211-102-i03_1970-10-02.pdf830K  Newer Issue
[   ]501-211-102-i05_1979-01-02.pdf748K  Newer Issue
[   ]501-211-103-i01_1975-03-01.pdf300K  Handsets G36 Identification, Connections, and Maintenance
[   ]501-226-100-i02_1967-12-01.pdf451K  238, 276 and 277 Amplifiers Identificationand Installation
[   ]501-226-100-i03_1978-06-02.pdf405K  Newer Issue
[   ]501-226-101-i04_1975-11-01.pdf195K  151, 241 and 242 Amplifiers Identification
[   ]501-226-102-i01_1978-08-01.pdf123K  315 Amplifier
[   ]501-250-300-i01_1957-10-01.pdf534K  Ringers, General Maintenance and Ringing tests General Maintenance
[   ]501-250-303-i01_1970-10-01.pdf109K  Ringers, C type Maintenance
[   ]501-250-303-i03_1970-06-02.pdf390K  Newer Issue
[   ]501-250-303-i04_1978-09-02.pdf244K  Newer Issue
[   ]501-250-304-i04_1969-04-01.pdf168K  Ringers, D1 type Maintenance
[   ]501-251-100-i08_1970-06-01.pdf325K  Ringers,E1C type
[   ]501-251-100-i10_1978-05-02.pdf544K  Newer Issue
[   ]501-252-100-i08_1971-08-01.pdf666K  Ringer F1A (Bell Chime)
[   ]501-252-400-i03_1976-05-01.pdf 82K  Ringer, F1A type
[   ]501-258-101-i02_1965-03-01.pdf413K  Ringer L1A type Identification, Installation, Maintenance and Connections
[   ]501-258-101-i04_1979-04-02.pdf425K  Newer Issue
[   ]501-259-101-i07_1973-07-01.pdf283K  Ringer P1 type Identification and Maintenance
[   ]501-259-101-i09_1979-06-02.pdf274K  Newer Issue
[   ]501-260-100-i04_1977-12-01.pdf566K  Ringer S1A and S1AM Tone type
[   ]501-320-100-i03_1971-06-01.pdf187K  Electron Tubes, 425A and 426A Identification
[   ]501-321-100-i03_1971-04-01.pdf276K  Polarity Gards Identification
[   ]501-322-100-i01_1973-08-01.pdf577K  Ringing Range Extender 10A Identification, Installation and Connections
[   ]501-375-100-i02_1969-07-01.pdf201K  Ringer Isolator (D-810036 kit of parts) Identification
[   ]501-375-101-i01_1979-11-01.pdf161K  28A Ringer Isolator
[   ]501-375-101-i02_1978-10-02.pdf1.2M  Newer Issue
[   ]501-380-100-i02_1978-02-01.pdf 83K  1A Termination Unit

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