| Division
| Title
|
| 950 | General Descriptive Information (pre-1960)
(13 files / 63.59 MB) |
| A | Central Office Maintenance
(67 files / 129.66 MB) |
| AA | Equipment Engineering
(5 files / 6.05 MB) |
| AB | Transmission Engineering and Data
(151 files / 131.91 MB) |
| AG | Outside Plant Engineering
(9 files / 25.17 MB) |
| B | Private Branch Exchange Installation and Maintenance
(49 files / 38.60 MB) |
| C10 | Station Installation and Maintenance - General / Components
(58 files / 34.84 MB) |
| C20 | Station Installation and Maintenance - Wiring
(46 files / 37.83 MB) |
| C30 | Station Installation and Maintenance - Apparatus - Dial and Manual Stations
(394 files / 493.55 MB) |
| C40 | Station Installation and Maintenance - Connections - Dial and Manual Stations
(104 files / 246.78 MB) |
| C50 | Station Installation and Maintenance - Other Apparatus and Connections
(80 files / 133.08 MB) |
| C60 | Station Installation and Maintenance - Inspection, Testing and General Trouble Locating Methods
(101 files / 93.69 MB) |
| C70 | Station Installation and Maintenance - Minor and Major Station Systems (Key Systems) / Tools, Gauges, and Test Sets Methods
(187 files / 267.44 MB) |
| C80 | Station Installation and Maintenance - Government Systems
(3 files / 0.82 MB) |
| C85 | Station Installation and Maintenance - Common Systems
(12 files / 46.84 MB) |
| D | Recovery and Repair
(1 file / 0.43 MB) |
| E | Toll Test Room Operation
(44 files / 67.63 MB) |
| F | Local Test Room Operation
(8 files / 4.63 MB) |
| G00 | Outside Plant Contruction and Maintenance - Index and Plan
(3 files / 10.67 MB) |
| G10 | Outside Plant Contruction and Maintenance - General
(134 files / 122.90 MB) |
| G20 | Outside Plant Contruction and Maintenance - Pole Lines
(164 files / 142.79 MB) |
| G30 | Outside Plant Contruction and Maintenance - Wire
(251 files / 376.50 MB) |
| G40 | Outside Plant Contruction and Maintenance - Conduit
(70 files / 117.70 MB) |
| G50 | Outside Plant Contruction and Maintenance - Cable
(426 files / 426.15 MB) |
| G60 | Outside Plant Contruction and Maintenance - Terminals
(12 files / 1.81 MB) |
| G80 | Outside Plant Contruction and Maintenance - Tools
(2 files / 0.50 MB) |
| H10 | Buildings - General
(13 files / 1.28 MB) |
| H20 | Buildings - Planning
(8 files / 1.59 MB) |
| H30 | Buildings - Construction and Mechanical Plant
(19 files / 2.36 MB) |
| H40 | Buildings - Fire Protection
(47 files / 5.11 MB) |
| H50 | Buildings - Operation and Maintenance
(78 files / 13.78 MB) |
| M | Plant Assignment
(7 files / 4.34 MB) |
| P | Teletypewriter and Data Stations
(318 files / 622.82 MB) |
| R | Radio Systems
(1 file / 2.42 MB) |