| Section
| Date
| Issue
| Size
| Title
|
| C41.101 | 1931-06-01 | 1 | 3.51 MB | Common Battery Station Sets by Class of Service |
| C41.106 | 1945-09-30 | 1 | 437.27 KB | Magneto Stations - Leich Set |
| C41.107 | 1946-05-15 | 1 | 324.43 KB | Magneto Stations - Federal Set |
| C41.107PT A | 1946-11-01 | B | 35.98 KB | Magneto Stations - Federal Set |
| C42.102 | 1940-09-20 | 2 | 7.66 MB | Coin Collectors - Multi-Slot Types - Description and Operation |
| C42.102 | 1953-05-01 | 3 | 14.40 MB | Coin Collectors - Multi-Slot Types - Description and Operation |
| C42.102 A | 1955-10-01 | 2 | 2.13 MB | Coin Collectors - Multislot Types - Description and Operation |
| C42.102WR | 1943-10-28 | 2 | 947.44 KB | Coin Collectors - Multi-Slot Types - Description and Operation |
| C42.104 | 1953-04-01 | 2 | 235.65 KB | Coin Collectors - Multi-Slot Types - Supplies |
| C42.105 | 1948-07-01 | 3 | 4.92 MB | Coin Collectors - Multi-Slot Types - Cording |
| C42.105 | 1953-10-01 | 4 | 9.14 MB | Coin Collectors - Multislot Types for 5¢ Initial Charge Basis - Cording |
| C42.106 | 1953-10-01 | 3 | 11.27 MB | Coin Collectors - Multislot Types for 10¢ Initial Charge Basis - Cording |
| C42.107 | 1949-11-30 | 1 | 5.41 MB | Coin Collectors - Multi-Slot Prepayment Types Converted for 10¢ Operation - Cording |
| C42.109 | 1950-06-09 | 1 | 1.95 MB | Prepayment Coin Collectors - 74, 174 and 176 Types - Cording |
| C42.111 | 1953-04-01 | 3 | 8.12 MB | Coin Collectors - Multi-Slot Types - Installation |
| C42.111 | 1956-04-01 | 4 | 8.07 MB | Coin Collectors - Multislot Types - Installation |
| C42.111 A | 1954-09-01 | 1 | 1.83 MB | Coin Collectors - Multislot Types - Installation |
| C42.127 | 1936-07-27 | 1 | 13.84 MB | Coin Collectors - 50, 150, 161, 162 and 163 Types - Tests and Adjustments |
| C42.127 A | 1938-02-02 | 1 | 1.58 MB | Coin Collectors - 50, 150, 161, 162 and 163 Types - Tests and Adjustments |
| C42.128 | 1945-07-16 | 2 | 1.86 MB | Coin Collectors - D-96589, D-159603 and Similar Types - Tests and Adjustments |
| C42.130 | 1940-10-31 | 2 | 2.57 MB | Coin Collectors - 150U, 150W, 163, 183 Types - Tests and Adjustments |
| C42.131 | 1937-06-01 | 1 | 2.19 MB | Coin Collectors - Multi-Slot Types - Conversions |
| C42.132 | 1940-11-01 | 1 | 1.29 MB | Coin Collectors - 181 and 182 Types - Tests and Adjustments |
| C42.136 | 1950-10-16 | 2 | 3.15 MB | Coin Collectors - 191 and 193-Type - Description and Operation |
| C42.138 | 1949-11-30 | 1 | 3.21 MB | Prepayment Coin Collectors - 191-Type - Tests and Adjustments |
| C42.138 A | 1952-03-25 | 1 | 2.27 MB | Prepayment Coin Collectors - 191-Type - Tests and Adjustments |
| C42.138NY | 1949-11-15 | A | 668.33 KB | 55, 155, 166 and 191 Type Coin Collectors - Multi-Slot, Prepayment Tests and Adjustments |
| C42.138NY A | 1950-02-16 | A | 164.72 KB | 55, 155, 166 and 191 Type Coin Collectors - Multi-Slot, Prepayment Tests and Adjustments |
| C42.141 | 1952-01-07 | 1 | 14.20 MB | Coin Collectors - Multi-Slot, Postpayment Types - Community Dial Office Service - Conversions for 10¢ Operation |
| C42.143 | 1952-09-01 | 1 | 132.85 KB | Coin Collectors - Conversions - 191G to D-179432 and 195G to D-179433 |
| C42.143 A | 1953-01-02 | 1 | 620.96 KB | Coin Collectors - Conversions - 191G to D-179432 and 195G to D-179433 |
| C42.144 | 1953-06-01 | 1 | 2.80 MB | Coin Collectors - Multi-Slot Types - Maintenance |
| C42.144 A | 1955-04-01 | 2 | 6.70 MB | Coin Collectors - Multislot Types - Maintenance |
| C42.145 | 1953-12-01 | 1 | 138.04 KB | Coin Collectors - Multislot 196 and 197 Types - Maintenance |
| C42.147 | 1956-11-01 | 1 | 474.32 KB | Coin Collectors - Multislot Types - Maintenance of Pull Buckets |
| C42.148 | 1957-03-01 | 1 | 2.84 MB | Coin Collectors - Multislot Types - Maintenance - Prepayment |
| C42.148PT A | 1957-04-01 | A | 609.41 KB | Coin Collectors - Multislot Types - Maintenance - Prepayment |
| C42.501 | 1934-01-29 | 1 | 3.44 MB | Subscriber Sets - 333, 533, and 553 Types - Sidetone - Connections |
| C42.601 | 1931-06-01 | 1 | 359.10 KB | Anti-Sidetone Subscriber Sets - 433, 633 and 653 Types - Connections |
| C42.901NY A | 1950-11-15 | A | 267.96 KB | Telecarts - Description, Operation and Maintenance |
| C42.902PT | 1957-03-01 | B | 955.95 KB | Coin Collectors - Multi-slot Types - Apparatus Blanks |
| C42.903NY | 1957-08-01 | B | 102.49 KB | Coin Collector - 223G Type |
| C42.950NY | 1953-05-01 | B | 2.47 MB | Telecarts - Description, Installation, Operation and Maintenance |
| C43.000 | 1960-01-01 | 2 | 2.36 MB | Alphabetical Index - Associated Station Apparatus |
| C43.011.1 | 1959-06-01 | 1 | 781.36 KB | 1A and 1AA Telephone Answering Sets - Description |
| C43.011.2 | 1959-07-01 | 1 | 563.25 KB | 1A and 1AA Telephone Answering Sets - Installation |
| C43.011.3 | 1959-07-01 | 1 | 664.74 KB | 1A Telephone Answering Sets - Station Connections |
| C43.011.4 | 1959-12-01 | 1 | 3.39 MB | 1A and 1AA Telephone Answering Sets - Maintenance |
| C43.011.5 | 1959-06-01 | 1 | 726.17 KB | 1AA Telephone Answering Set - Station Connections |
| C43.021.00 | 1961-04-01 | 1 | 413.17 KB | 2A Telephone Answering Set - Identification and Assembly of Parts |
| C43.021.02 | 1961-04-01 | 1 | 373.63 KB | 2A Telephone Answering Set - Installation |
| C43.021.03 | 1961-04-01 | 1 | 264.93 KB | 2A Telephone Answering Set - Connections |
| C43.021.05 | 1961-02-01 | 1 | 1.60 MB | 2A Telephone Answering Set - Maintenance |
| C43.021.1 | 1959-06-01 | 1 | 343.43 KB | 2A Telephone Answering Set - Description |
| C43.021.2 | 1959-12-01 | 1 | 985.20 KB | 2A Telephone Answering Set - Installation and Connections |
| C43.021.2PT A | 1960-02-01 | A | 109.17 KB | 2A Telephone Answering Set - Installation and Connections |
| C43.021.3 | 1959-07-01 | 1 | 2.73 MB | 2A Telephone Answering Set - Maintenance |
| C43.101 | 1960-03-01 | 2 | 1.08 MB | Head Telephone Sets - 52, 53, and F Types |
| C43.150 | 1963-01-01 | 2 | 2.83 MB | Lamp Indicators |
| C43.151 | 1962-09-01 | 3 | 5.04 MB | Auxiliary Signals - Identification |
| C43.152 | 1960-04-01 | 2 | 3.86 MB | Auxiliary Signals - Installation and Maintenance |
| C43.153 | 1960-03-01 | 2 | 379.02 KB | Auxiliary Signals - Connections |
| C43.154 | 1961-09-01 | 3 | 4.35 MB | Power Relay Sets - Identification, Installation, and Maintenance |
| C43.171.00 | 1962-03-01 | 2 | 326.29 KB | Recorder Connectors - 50 Type and Associated KS-16730, List 1 - Identification and Operation |
| C43.171.01 | 1960-02-01 | 1 | 259.68 KB | Recorder Connector - 50 Type - Installation and Maintenance |
| C43.171.02 | 1960-02-01 | 1 | 270.43 KB | Recroder Connector - 50 Type - Connections |
| C43.233.1 | 1962-10-01 | 3 | 4.24 MB | Backboards - Identification |
| C43.233.1 A | 1962-01-01 | A | 159.12 KB | Backboards - Adapters 146-AX-60S, 147-AX-60S - Identification |
| C43.233.2 | 1962-09-01 | 2 | 5.00 MB | Backboards - Installation |
| C43.241 | 1959-03-01 | 1 | 2.93 MB | 60-Type Selector - Identification and Maintenance |
| C43.265 | 1963-01-01 | 1 | 118.73 KB | 238A Amplifier |
| C43.301 | 1959-02-01 | 2 | 8.93 MB | 700-Type Modular Station Apparatus - Identification |
| C43.911PT | 1960-01-01 | B | 2.59 MB | Transistorized Voice Frequency Amplifiers - 447A, 449A, 450, 457A (Altec) |
| C43.932PT | 1962-01-01 | A | 972.79 KB | Electronic Secretary Model TT2 Telephone Answering Set - Description, Installation and Maintenance |
| C44.101 | 1931-11-01 | 2 | 339.85 KB | Sidetone Hand Telephone Sets - 101, 102, 103, 104 and 105 Types - Connections |
| C44.102 | 1931-06-01 | 1 | 281.96 KB | Anti-Sidetone Hand Telephone Sets - 201, 202, 203, 205, 206 and 207 Types - Connections |
| C44.103 | 1949-08-15 | 2 | 12.93 MB | Telephone Booths - 1, 2, 5, 6, 7, 10 and 11 Types - Description and Supplies |
| C44.103 | 1953-07-01 | 3 | 590.89 KB | Telephone Booths - 5, 6, 10 and 11 Types - Description |
| C44.103 A | 1942-01-15 | 1 | 956.80 KB | Telephone Booths - 1, 2, 5, 6 and 7 Types - Description and Supplies |
| C44.111 | 1954-12-01 | 4 | 1.53 MB | Telephone Booths - 5, 6, 10, and 11 Types - Installation |
| C44.121 | 1949-11-15 | 2 | 1.01 MB | Telephone Booths - 1, 2, 5, 6, 7, 10 and 11 Types - Maintenance |
| C44.121 A | 1947-03-10 | 3 | 396.74 KB | Telephone Booths - 1, 2, 5, 6 and 7 Types - Maintenance |
| C44.131 | 1954-07-01 | 2 | 733.86 KB | Telephone Booths - 1, 2, 5, 6, 7, 10, and 11 Types - Supplies |
| C44.201 | 1953-05-01 | 2 | 877.16 KB | Telephone Booths - No. 9-Type |
| C44.201 A | 1956-04-01 | 1 | 34.23 KB | Telephone Booths - No. 9 Type |
| C44.212 A | 1954-11-01 | 1 | 45.21 KB | Telephone Booth - KS-14611, List 2 - Supplies |
| C44.213 | 1955-02-01 | 2 | 703.42 KB | Telephone Booth - KS-14611, List 2 - Installation |
| C44.213 A | 1956-04-01 | 1 | 96.54 KB | Telephone Booth - KS-14611, List 2 - Installation |
| C44.214 | 1954-02-01 | 1 | 390.06 KB | Telephone Booth - KS-14611, List 2 - Maintenance |
| C44.214 A | 1956-03-01 | 1 | 36.43 KB | Telephone Booth - KS-14611, List 2 - Maintenance |
| C44.651 | 1944-08-11 | 1 | 3.23 MB | 19A Shelf - Description and Installation |
| C45.101 | 1931-06-01 | 1 | 598.87 KB | Sidetone Desk Stands - 20, 40, 50, 51 and 52 Types - Connections |
| C45.102 | 1931-06-01 | 1 | 299.80 KB | Anti-Sidetone Desk Stands - 120, 140, 151 and 152 Types - Connections |
| C45.103 | 1946-11-10 | 2 | 1.30 MB | Public Telephone Signs - Enameled Iron Type - Description |
| C45.104 | 1953-07-01 | 4 | 1.99 MB | Public Telephone Signs - Illuminated, Translucent, and Decalcomania Types - Description |
| C46.101 | 1932-01-06 | 1 | 462.90 KB | Sidetone Line and Ringer Connections - Common Battery Main Stations |
| C46.102 | 1954-10-01 | 3 | 5.36 MB | Telephone Directories - Supplies and Installation |
| C46.301 | 1931-06-01 | 1 | 324.23 KB | Anti-Sidetone Line and Ringer Connections - Common Battery Main Stations |
| C46.351 | 1931-11-01 | 1 | 2.15 MB | Anti-Sidetone Line and Ringer Connections - Local Battery Talking - Common Battery Signaling Main Stations |
| C46.401 | 1931-06-01 | 1 | 896.08 KB | Anti-Sidetone Extension Station and Extension Ringer Connections |
| C46.401 | 1933-08-08 | 2 | 1.10 MB | Sidetone and Anti-Sidetone Extension Station and Extension Ringer Connections |
| C46.401 A | 1934-01-10 | 1 | 150.63 KB | Sidetone and Anti-Sidetone Extension Station and Extension Ringer Connections |
| C46.902NY | 1929-06-01 | | 535.05 KB | Public Telephone Stations - Installation of Telephone Directories |
| C46.902NY A | 1931-08-01 | | 54.48 KB | Public Telephone Stations - Installation of Telephone Directories |