Skip to main content

Bell System Practices

The Bell System Practices were a set of documents produced by the American Telephone and Telegraph Company to instruct employees on the proper use and maintenance of all kinds of telephone equipment.



rss RSS

397
RESULTS


Show sorted alphabetically

Show sorted alphabetically

SHOW DETAILS
up-solid down-solid
eye
Title
Date Added
Creator
Bell System Practices
texts

eye 7

favorite 0

comment 0

This addendum supplements the AT&T Numerical Index and lists the following: All PNB issued practices, addendums & appendices. Long Lines practices Standard for use in PNB Areas. AT&T Practices NOT STANDARD in PNB. (See AT&T index for issue number.)
Topics: pacific northwest bell, carrier
Bell System Practices
texts

eye 4

favorite 0

comment 0

This section provides an index of System-issued sections in Division 362.
Topics: carrier, bell system
Bell System Practices
Oct 23, 2018
texts

eye 4

favorite 1

comment 0

Bell System Practices Central Office Maintenance Educational Information Issue 2, 5-24-50 AT&TCo Standard Systems Used in the Preparation of Wiring Diagrams From the Connections Museum, Seattle
Topics: bell system, diagrams, wiring diagrams, bsp
Bell System Practices
Oct 23, 2018
texts

eye 11

favorite 1

comment 0

Bell System Practices Central Office Maintenance, General Issue A, January 1962 Pacific Northwest Bell Telephone Co. Revised 9-10-1964 From the Connections Museum, Seattle
Topics: bell system, checking list, bsp
Bell System Practices
Oct 23, 2018 AT&T
texts

eye 5

favorite 1

comment 0

Bell System Maintenance Practices Central Offices Routine Tests and Inspections Issue 1, 8-16-1927 Panel Call Indicator Trunk Circuits No. 1 Office
Topics: bsp, bell system, panel call indicator, panel switch, switchboard
Bell System Practices
texts

eye 10

favorite 0

comment 0

Bell System Practices Central Office Maintenance Educational Information Equipment Engineering General Equipment Requirements Later renumbered to 005-108-111 From the Connections Museum, Seattle
Topics: bell system, schematic conventions, equipment requirements
Bell System Practices
Oct 23, 2018 The Pacific Telephone & Telegraph Co.
texts

eye 15

favorite 1

comment 0

Bell System Practices Central Office Maintenance Educational Information Issue C, 6-1-53
Topics: bell system, relays, theory of relays, pacific telephone and telegraph
Bell System Practices
texts

eye 3

favorite 0

comment 0

Bell System Maintenance Practices Central Offices Routine Tests and Inspections Panel Call Indicator Control Circuits No. 1 Office
Topics: bell system, panel call indicator, switchboard, panel switch
Bell System Practices
texts

eye 7

favorite 0

comment 0

BSP enumerating connections using 6050 and 6051 external keys, for use with 1A, 1A1, 1A2 key systems. 
Topics: bsp, key system, bell system, 1a2
Bell System Practices
May 25, 2018 American Telephone & Telegraph Company
texts

eye 5

favorite 1

comment 0

BSP 040-510-701 Relays / E, EA, F, H, R, T Types / Requirements and Adjusting Procedures From the collection of the Connections Museum, Seattle WA
Topics: bell system, bsp, relays, relay requirements, bell system practices
Bell System Practices
Apr 7, 2018 Pacific Telephone & Telegraph Co.
texts

eye 8

favorite 2

comment 0

BSP A 804.420 Theory of Relays Issue C - 6/1/1953 The Pacific Telephone & Telegraph Co. Details general theory of relays used in the Bell System From the library of the Connections Museum, Seattle WA
Topics: bell system, at&t, relays, telephone switching, bsp, bell system practices
Bell System Practices
Jul 18, 2017 American Telephone & Telegraph Company
texts

eye 6

favorite 0

comment 0

Bell System Practices
Jul 18, 2017 American Telephone & Telegraph Company
texts

eye 8

favorite 0

comment 0

Bell System Practices
texts

eye 6

favorite 0

comment 0

Bell System Practices
Jul 18, 2017 American Telephone & Telegraph Company
texts

eye 6

favorite 0

comment 0

Bell System Practices
Jul 18, 2017 American Telephone & Telegraph Company
texts

eye 6

favorite 0

comment 0

Bell System Practices
Jul 18, 2017 American Telephone & Telegraph Company
texts

eye 6

favorite 0

comment 0

Bell System Practices
Jul 18, 2017 American Telephone & Telegraph Company
texts

eye 8

favorite 0

comment 0

Bell System Practices
Jul 18, 2017 American Telephone & Telegraph Company
texts

eye 7

favorite 0

comment 0

Bell System Practices
Jul 18, 2017 American Telephone & Telegraph Company
texts

eye 14

favorite 0

comment 0

Bell System Practices
Jul 18, 2017 American Telephone & Telegraph Company
texts

eye 10

favorite 0

comment 0

Bell System Practices
Jul 18, 2017 American Telephone & Telegraph Company
texts

eye 6

favorite 0

comment 0

Bell System Practices
Jul 17, 2017 American Telephone & Telegraph Company
texts

eye 8

favorite 0

comment 0

Bell System Practices
Jul 17, 2017 American Telephone & Telegraph Company
texts

eye 11

favorite 0

comment 0

Bell System Practices
Jul 17, 2017 American Telephone & Telegraph Company
texts

eye 8

favorite 0

comment 0

Bell System Practices
Jul 17, 2017 American Telephone & Telegraph Company
texts

eye 11

favorite 0

comment 0

Bell System Practices
Jul 17, 2017 American Telephone & Telegraph Company
texts

eye 11

favorite 0

comment 0

Bell System Practices
Jul 17, 2017 American Telephone & Telegraph Company
texts

eye 9

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 Bell Communications Research (Bellcore)
texts

eye 46

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 78

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 41

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 19

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 29

favorite 0

comment 0

Bell System Practices
texts

eye 15

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 17

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 12

favorite 0

comment 0

Bell System Practices
texts

eye 11

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 15

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 15

favorite 0

comment 0

Bell System Practices
texts

eye 13

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 27

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 12

favorite 1

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 18

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 20

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 17

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 13

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 12

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 13

favorite 0

comment 0

Bell System Practices
texts

eye 13

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 11

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 12

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 21

favorite 1

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 16

favorite 1

comment 0

Bell System Practices
texts

eye 15

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 11

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 13

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 16

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 13

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 19

favorite 0

comment 0

Bell System Practices
texts

eye 19

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 23

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 16

favorite 1

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 19

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 15

favorite 1

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 19

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 15

favorite 1

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 17

favorite 1

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 19

favorite 1

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 16

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 17

favorite 0

comment 0

Bell System Practices
texts

eye 13

favorite 0

comment 0

Bell System Practices
Nov 24, 2012 American Telephone & Telegraph Company
texts

eye 14

favorite 0

comment 0