| Section
| Date
| Issue
| Size
| Title
|
| P31.402 | 1958-01-01 | 2 | 1.08 MB | 100A Teletypewriter Test Distributor |
| P31.410 | 1958-01-01 | 2 | 300.41 KB | Dot Generator and Bias Measuring Set |
| P34.001 | 1962-07-01 | 5 | 638.43 KB | Alphabetical Index of 28-Type Equipment - Bell System Practices and Associated 28 ASR Station Drawings |
| P34.004 | 1959-07-01 | 2 | 251.36 KB | Motors and Governors - 28 Teletypewriter - Requirements and Procedures |
| P34.004 A | 1958-05-01 | 1 | 68.92 KB | Motors and Governors - 28 Teletypewriter - Requirements and Procedures |
| P34.005 | 1959-10-01 | 2 | 1.25 MB | Selector Mechanism - 28 Teletypewriter - Requirements and Procedures |
| P34.101 | 1955-08-01 | 2 | 771.76 KB | 28 Teletypewriter - List of Units and Auxiliary Features |
| P34.101 A | 1958-03-01 | 2 | 489.71 KB | 28 Teletypewriter - List of Units and Auxiliary Features |
| P34.102 | 1958-09-01 | 1 | 1.69 MB | 28 Automatic Sending and Receiving Set - List of Units |
| P34.102 A | 1958-11-01 | 1 | 135.33 KB | 28 Automatic Sending and Receiving Set - List of Units |
| P34.102 A | 1961-04-01 | 2 | 190.11 KB | 28 Automatic Sending and Receiving Set - List of Units |
| P34.103 | 1958-11-01 | 1 | 550.43 KB | 28 Distributors and Transmitter-Distributor Units, Bases, and Housings - List of Units |
| P34.104 | 1959-11-01 | 2 | 1.23 MB | 28 Typing Reperforator and Reperforator-Transmitter Set - List of Units and Auxiliary Features |
| P34.105 | 1960-08-01 | 1 | 1.44 MB | 28 Cabinets, Tables, Covers, and Housings - List of Units |
| P34.106 | 1961-12-01 | 1 | 437.91 KB | 28 Motor Units and Sets of Gears - List of Units |
| P34.301 | 1962-12-01 | 8 | 2.94 MB | 28-Type Teletypewriter - Typing Unit, Motor Unit and Base - Wiring Diagram |
| P34.301 A | 1963-10-01 | 1 | 176.35 KB | 28-Type Teletypewriter - Typing Unit, Motor Unit and Base - Wiring Diagram |
| P34.302 | 1963-08-01 | 8 | 6.67 MB | 28KSR and RO Teletypewriter - Cabinets and Electrical Service Units - Wiring Diagram |
| P34.303 | 1963-08-01 | 4 | 119.82 KB | 28 Distributors - Wiring Diagram |
| P34.304 | 1958-09-01 | 1 | 832.71 KB | 28F** Cabinet with 28C Electrical Service Unit - Wiring Diagram |
| P34.305 | 1962-01-01 | 3 | 2.25 MB | 28-Type Reperforator-Transmitter Sets and Units - Wiring Diagram |
| P34.306 | 1958-09-01 | 1 | 455.85 KB | 28B and 28C Transmitter-Distributor Units - Wiring Diagram |
| P34.307 | 1962-12-01 | 4 | 3.06 MB | 28 Perforator-Transmitter-Base - Wiring Diagram |
| P34.307 A | 1963-10-01 | 1 | 863.85 KB | 28 Perforator-Transmitter-Base - Wiring Diagram |
| P34.308 | 1962-03-01 | 4 | 1.38 MB | 28-Type Typing Reperforator - Units and Bases - Wiring Diagram |
| P34.308 A | 1962-06-01 | 1 | 452.48 KB | 28-Type Typing Reperforator - Units and Bases - Wiring Diagram |
| P34.309 | 1961-11-01 | 3 | 1.71 MB | 28D, D-1, D-2 and K Electrical Service Units for 28-Type Typing Reperforator - Wiring Diagram |
| P34.309 A | 1963-02-01 | 1 | 487.51 KB | 28D, D-1, D-2 and K Electrical Service Units for 28-Type Typing Reperforator - Wiring Diagram |
| P34.310 | 1958-09-01 | 1 | 524.04 KB | 28A** Cabinet for Four Typing Reperforators - Wiring Diagram |
| P34.311 | 1958-09-01 | 1 | 53.08 KB | 4A Tape Winder - Wiring Diagram |
| P34.312 | 1958-09-01 | 1 | 62.33 KB | 28A Tape Splicer - Wiring Diagram |
| P34.313 | 1961-10-01 | 2 | 388.06 KB | 28A-1 Cabinet for Mounting Six Typing Reperforators - Wiring Diagram |
| P34.314 | 1961-12-01 | 2 | 335.75 KB | 28G and 28H Teletypewriter Cabinets - Wiring Diagram |
| P34.315 | 1961-12-01 | 4 | 303.43 KB | 28E, F, G, H, H-1, H-2 and LA Transmitter-Distributor Units - Wiring Diagram |
| P34.316 | 1961-10-01 | 2 | 186.39 KB | 28 Sequence Selector Units - Wiring Diagram |
| P34.317 | 1961-04-01 | 4 | 1.01 MB | 28F, F-1, H, and J Electrical Service Units - Wiring Diagram |
| P34.317 A | 1962-03-01 | 1 | 211.43 KB | 28F, F-1, H, and J Electrical Service Units - Wiring Diagram |
| P34.318 | 1962-02-01 | 4 | 518.97 KB | 28G and G-1 Electrical Service Units - Wiring Diagram |
| P34.320 | 1962-12-01 | 3 | 1.04 MB | 28 Transmitter-Distributor Bases and 28 Transmitter-Distributor Housings - Wiring Diagram |
| P34.321 | 1960-07-01 | 2 | 256.46 KB | 28G and 28H Transmitter-Distributor Mounting and Cover Assemblies - Wiring Diagram |
| P34.322 | 1961-12-01 | 2 | 320.33 KB | 28A and 28B Reperforator-Transmitter Adapter Unit - Wiring Diagram |
| P34.323 | 1960-08-01 | 1 | 387.96 KB | 28 Type Apparatus Cabinets - Wiring Diagram |
| P34.324 | 1961-04-01 | 1 | 257.18 KB | 28F Cabinet with 28F-1 or 28G Electrical Service Unit - Wiring Diagram |
| P34.325 | 1962-12-01 | 2 | 552.67 KB | 28L, 28P and 28P-1 Electrical Service Units - Wiring Diagram |
| P34.326 | 1962-05-01 | 2 | 68.65 KB | 28A Mounting and Cover Assembly - Wiring Diagram |
| P34.327 | 1961-12-01 | 1 | 107.22 KB | 28A Receiving Selector Unit - Wiring Diagram |
| P34.350 | 1962-12-01 | 2 | 305.31 KB | 28LA Electrical Service Unit - Wiring Diagram |
| P34.351 | 1962-01-01 | 2 | 375.99 KB | 28LC and 28LC-1 Electrical Service Units - Wiring Diagram |
| P34.352 | 1961-09-01 | 1 | 304.79 KB | 28LB Electrical Service Unit - Wiring Diagram |
| P34.353 | 1962-01-01 | 2 | 446.70 KB | 28LD and 28LD-1 Electrical Service Units - Wiring Diagram |
| P34.354 | 1961-09-01 | 1 | 49.63 KB | 28LA Apparatus Cabinet - Wiring Diagram |
| P34.355 | 1963-08-01 | 3 | 229.03 KB | 28-Type Tape Typing Units, 28-Type Tape Teletypewriter Bases, and 28-Type Tape Teletypewriter Covers - Wiring Diagram |
| P34.356 | 1961-09-01 | 1 | 81.27 KB | 28LB Teletypewriter Cabinet - Wiring Diagram |
| P34.359 | 1963-11-01 | 1 | 62.83 KB | 28H Reperforator Unit - Wiring Diagram |
| P34.401 | 1960-08-01 | 1 | 75.96 KB | 28 Teletypewriter (Keyboard Send-Receive and Receive Only) - Disassembly and Reassembly Routines |
| P34.402 | 1960-08-01 | 1 | 553.82 KB | 28 Typing Unit (Including Selector Mechanism) - Disassembly and Reassembly Routines |
| P34.402 A | 1962-01-01 | 1 | 75.08 KB | 28 Typing Unit (Including Selector Mechanism) - Disassembly and Reassembly Routines |
| P34.403 | 1960-08-01 | 1 | 204.50 KB | 28 Motor Unit - Disassembly and Reassembly Routines |
| P34.403 A | 1961-05-01 | 1 | 55.81 KB | 28 Motor Unit - Disassembly and Reassembly Routines |
| P34.404 | 1960-08-01 | 1 | 470.50 KB | 28 Teletypewriter Base (Keyboard Send-Receive Base and Receive-Only Base) - Disassembly and Reassembly Routines |
| P34.405 | 1960-08-01 | 1 | 156.69 KB | 28 Teletypewriter Cabinet - Disassembly and Reassembly Routines |
| P34.406 | 1960-08-01 | 1 | 141.75 KB | 28 Electrical Service Unit - Disassembly and Reassembly Routines |
| P34.410 | 1961-06-01 | 1 | 354.99 KB | 28 Sequence Selector Unit and Base - Disassembly and Reassembly Routines |
| P34.412 | 1963-08-01 | 2 | 153.81 KB | 28B and 28C Transmitter-Distributor Units - Disassembly and Reassembly Routines |
| P34.413 | 1961-03-01 | 1 | 249.99 KB | 28C Transmitter-Distributor Unit - Disassembly and Reassembly Routines |
| P34.414 | 1961-10-01 | 1 | 152.34 KB | 28E and 28H-Type Transmitter-Distributor Units - Disassembly and Reassembly Routines |
| P34.415 | 1962-06-01 | 2 | 476.19 KB | 28F, 28G-Type, 28LA, and 28LB Transmitter-Distributor Units - Disassembly and Reassembly Routines |
| P34.415 A | | 1 | 164.45 KB | 28F, 28G, 28G-1, and 28LA, Transmitter-Distributor Units - Disassembly and Reassembly Routines |
| P34.418 | 1962-02-01 | 2 | 144.55 KB | 28 Multiple-Mounted, Multicontact Transmitter-Distributor Set - Disassembly and Reassembly Routines |
| P34.420 | 1961-02-01 | 1 | 218.80 KB | 28 Reperforator-Transmitter Set, Unit, and Stand - Disassembly and Reassembly Routines |
| P34.422 | 1961-02-01 | 1 | 216.27 KB | 28 Nontyping Reperforator - Disassembly and Reassembly Routines |
| P34.425 | 1961-06-01 | 2 | 304.47 KB | 28 Typing Reperferator [sic] Base, Keyboard, and Cover - Disassembly and Reassembly Routines |
| P34.430 | 1961-05-01 | 1 | 334.98 KB | 28 Perforator-Transmitter-Base - Disassembly and Reassembly Routines |
| P34.435 | 1961-05-01 | 1 | 928.26 KB | 28 Automatic Send-Receive Set - Assembly |
| P34.435 A | 1962-10-01 | 1 | 45.31 KB | 28 Automatic Send-Receive Set - Assembly |
| P34.437 | 1961-05-01 | 1 | 254.64 KB | Auxiliary Typing Reperforator for 28 Automatic Send-Receive Set - Installation |
| P34.440 | 1961-03-01 | 1 | 128.05 KB | 28 Self-Contained Transmitter-Distributor Sets (Single-Contact and Multicontact) - Disassembly and Reassembly Routines |
| P34.441 | 1963-11-01 | 1 | 911.68 KB | 28 Wall-Mounted Keyboard Send-Receive and Receive-Only Teletypewriter (KSR and RO) - Installation |
| P34.460 | 1956-06-01 | 1 | 1.04 MB | Installation of Function Parts on a 28 Stuntbox |
| P34.460 A | 1959-06-01 | 1 | 129.02 KB | Installation of Function Parts on a 28 Stuntbox |
| P34.461 | 1961-02-01 | 1 | 1.35 MB | 28 Stuntbox Mechanisms and Principles of CDC Assignments on the Broadcast of a Data-Phone System |
| P34.500 | 1957-10-01 | 2 | 204.18 KB | 28 Teletypewriter - Maintenance Inspections and Tests |
| P34.501 | 1963-11-01 | 2 | 7.66 MB | 28 Typing Unit - Lubrication |
| P34.501 A | 1962-02-01 | 2 | 73.12 KB | 28 Typing Unit - Lubrication |
| P34.502 | 1961-06-01 | 1 | 147.27 KB | 28 Motor Unit - Lubrication |
| P34.503 | 1963-11-01 | 2 | 5.97 MB | 28 Teletypewriter Base (Keyboard Send-Receive Base and Receive-Only Base) - Lubrication |
| P34.504 | 1961-06-01 | 1 | 746.54 KB | 28 Teletypewriter Cabinet - Lubrication |
| P34.504 A | 1961-10-01 | 1 | 61.74 KB | 28 Teletypewriter Cabinet - Lubrication |
| P34.505 | 1961-06-01 | 1 | 103.88 KB | 28 Electrical Service Unit - Lubrication |
| P34.509 | 1962-05-01 | 2 | 302.91 KB | 28 Tape Typing Unit and 28 Tape Teletypewriter Base and Cover - Lubrication |
| P34.510 | 1962-01-01 | 1 | 772.54 KB | 28 Distributor - Lubrication |
| P34.510 A | 1961-04-01 | 1 | 137.66 KB | 28 Distributor - Lubrication |
| P34.511 | 1963-11-01 | 1 | 1.62 MB | 28B and 28C Transmitter-Distributor Units - Lubrication |
| P34.513 | 1963-03-01 | 1 | 1.10 MB | 28E and 28H-Type Transmitter-Distributor Units - Lubrication |
| P34.514 | 1962-07-01 | 2 | 1.26 MB | 28F and 28G-Type, 28LA, and 28LB Transmitter-Distributor Units - Lubrication |
| P34.518 | 1961-04-01 | 1 | 389.34 KB | 28 Multiple-Mounted, Multicontact Transmitter-Distributor Set - Lubrication |
| P34.520 | 1960-12-01 | 1 | 312.77 KB | 28 Reperforator-Transmitter Unit - Lubrication |
| P34.521 | 1960-12-01 | 1 | 187.08 KB | 28 Reperforator-Transmitter Stand - Lubrication |
| P34.522 | 1963-06-01 | 2 | 2.84 MB | 28 Single-Magnet Nontyping Reperforator - Lubrication |
| P34.525 | 1962-09-01 | 2 | 2.95 MB | 28 Single-Magnet Typing Reperforator - Lubrication |
| P34.525 A | 1962-10-01 | 1 | 240.64 KB | 28 Single-Magnet Typing Reperforator - Lubrication |
| P34.526 | 1961-12-01 | 1 | 104.61 KB | 28 Typing Reperforator Cover - Lubrication |
| P34.527 | 1962-07-01 | 1 | 890.70 KB | 28 Typing Reperforator Base (Receiving-Only Base and Keyboard Sending-Receiving Base) - Lubrication |
| P34.530 | 1963-11-01 | 2 | 5.17 MB | 28 Perforator-Transmitter-Base - Lubrication |
| P34.532 | 1963-11-01 | 2 | 1.44 MB | 28 Multimagnet Nontyping Reperforator - Lubrication |
| P34.535 | 1961-06-01 | 1 | 1.50 MB | 28 Sequence Selector Unit and Base - Lubrication |
| P34.540 | 1961-02-01 | 1 | 520.13 KB | 28 Self-Contained Transmitter-Distributor Sets (Single-Contact and Multicontact) - Lubrication |
| P34.541 | 1961-10-01 | 1 | 206.69 KB | 28 Transmitter-Distributor Base Answer-Back Mechanism - Lubrication |
| P34.550 | 1961-12-01 | 2 | 188.02 KB | 28 Apparatus Cabinet - Lubrication |
| P34.601 | 1953-08-01 | 1 | 7.28 MB | 28 Teletypewriter - Lubrication |
| P34.601 A | 1958-06-01 | 2 | 732.30 KB | 28 Teletypewriter - Lubrication |
| P34.602 | 1958-06-01 | 1 | 1.06 MB | 28C Transmitter-Distributor Unit - Lubrication |
| P34.603 | 1958-07-01 | 1 | 1.02 MB | 28B Transmitter-Distributor Unit - Lubrication |
| P34.604 | 1959-02-01 | 1 | 1.14 MB | 28E and 28H Transmitter-Distributor Units - Lubrication |
| P34.604 A | 1961-10-01 | 1 | 63.04 KB | 28E and 28H-Type Transmitter-Distributor Units - Lubrication |
| P34.610 | 1956-02-01 | 2 | 153.22 KB | 28 Teletypewriter - General Information and Index |
| P34.612 | 1963-05-01 | 4 | 4.40 MB | 28 Typing Unit - Requirements and Adjustments |
| P35.301 | 1955-05-01 | 5 | 530.09 KB | Wiring Diagrams - No. 14 Type Teletypewriters |
| P35.321 | 1933-12-01 | 1 | 62.95 KB | Wiring Diagram - No. 14 DD or No. 14 DF Teletypewriter |
| P35.331 | 1949-01-01 | 4 | 148.50 KB | Wiring Diagram - 14-Type Transmitter-Distributors |
| P35.332 | 1938-08-01 | 2 | 175.00 KB | Wiring Diagrams - 14A Reperforator Unit and Base Plant |
| P35.463 | 1944-06-01 | 2 | 94.62 KB | Installation of 87467M 14-Type Monitoring Teletypewriter Relay Switching Mechanism |
| P35.476 | 1942-04-01 | 1 | 209.12 KB | 101389M and 101481M Sets of Parts for Handling Chadless Tape - No. 14 Transmitter-Distributor - Installation |
| P35.544 | 1948-08-01 | 1 | 364.67 KB | No. 14 Reperforator-Transmitter - Maintenance Inspection and Tests |
| P35.550 | 1952-05-01 | 1 | 453.59 KB | 114-Type Reperforator-Transmitter - Maintenance Inspection and Tests |
| P35.601 | 1949-08-01 | 3 | 234.97 KB | 14-Type Typing Unit and Base - Lubrication |
| P35.603 | 1949-08-01 | 4 | 107.56 KB | Reperforator - 14 and 20 Type - Lubrication |
| P35.610 | 1949-04-01 | 4 | 1.35 MB | 14 Type Typing Unit - Requirements and Procedures |
| P35.631 | 1948-05-01 | 5 | 1.16 MB | Transmitter-Distributor No. 14 - Station Type - Requirements and Procedures |
| P35.631 A | 1949-08-01 | 2 | 541.94 KB | 14 Tape-Type Transmitter-Distributor - Requirements and Procedures |
| P35.632 | 1945-11-01 | 1 | 61.39 KB | Transmitter Distributor No. 14 - Station Type - Requirements and Procedures - Operation at 100 Speed |
| P35.633 | 1950-08-01 | 2 | 3.14 MB | Reperforator-Transmitter Units 14F and 14G - Requirements and Procedures |
| P35.634 | 1950-08-01 | 1 | 134.52 KB | Reperforator Transmitter Units 14D and 14E - Requirements and Procedures |
| P35.640 | 1947-10-01 | 2 | 664.44 KB | Perforators 14A, 13B - Requirements and Procedures |
| P35.650 | 1949-04-01 | 2 | 468.09 KB | 14 Type Reperforators - Requirements and Procedures |
| P35.651 | 1946-10-01 | 5 | 1.92 MB | Typing Reperforator Units and Bases - 14 Type - Requirements and Procedures |
| P35.651 | 1959-04-01 | 7 | 1.56 MB | 14 Typing Reperforator - Requirements and Procedures |
| P35.651 A | 1947-07-01 | 1 | 132.94 KB | Typing Reperforator Units and Bases - 14 Type - Requirements and Procedures |
| P35.652 | 1945-11-01 | 1 | 109.25 KB | Typing Reperforator Units and Bases - 14 Type - Requirements and Procedures - Operation at 100 Speed |
| P39.610 | 1955-05-01 | 3 | 154.35 KB | 20 Typing Unit - Requirements and Procedures |
| P39.620 | 1951-03-01 | 2 | 106.83 KB | Teletypewriter-Keyboard - 20 Type - Requirements and Procedures |
| P40.101 | 1938-03-01 | 1 | 406.98 KB | No. 26 Teletypewriter - Description of Apparatus |
| P40.301 | 1943-09-01 | 2 | 128.38 KB | No. 26 Teletypewriter - Wiring Diagrams |
| P40.461 | 1943-08-01 | 1 | 285.15 KB | Installation of Motor Control Parts on No. 26 Teletypewriters |
| P40.461 A | 1944-03-01 | 1 | 84.82 KB | Installation of Motor Control Parts on No. 26 Teletypewriters |
| P40.601 | 1938-03-01 | 3 | 448.91 KB | Teletypewriter - Lubrication of 26 Type - Requirements and Procedures |
| P40.601 A | 1939-09-01 | 1 | 61.38 KB | Teletypewriter - 26 Type - Lubrication |
| P40.601MB A | 1947-08-01 | A | 44.59 KB | Teletypewriter - 26 Type - Lubrication |
| P40.610 | 1940-08-01 | 4 | 2.44 MB | Teletypewriter - Typing Unit - 26 Type - Requirements and Procedures |
| P40.610 A | 1944-11-01 | 1 | 123.88 KB | Teletypewriter - Typing Unit - 26 Type - Requirements and Procedures |
| P40.610MB A | 1945-01-01 | A | 143.20 KB | Teletypewriter - Typing Unit - 26 Type - Requirements and Procedures |
| P40.620 | 1938-03-01 | 2 | 528.19 KB | Teletypewriter - Base - 26 Type - Requirements and Procedures |
| P40.901MB | 1942-07-24 | A | 97.19 KB | No. 26 Teletypewriter - Installation of 90964M Line Relay - Mounting Assembly |
| P40.902MB | 1942-07-24 | A | 216.47 KB | No. 26 Teletypewriter - Installation of 90989M Set of Parts for Break Lock |
| P40.903MB | 1942-07-24 | A | 101.66 KB | No. 26 Teletypewriter - Installation of 93197M and 93198M Power Switch Parts |
| P40.904MB | 1944-06-01 | A | 68.54 KB | No. 26 Teletypewriter - Set of Parts for Prevention of Deterioration of Rubber Cords on No. 26 Bases |
| P65.902LL X4 | 1943-10-15 | A | 1.81 MB | Applique Circuit Per BSP Section P90.978 to be Used in Conjunction with the Selective Receiving Circuit Per BSP Section P90.982 |
| P65.906.00PT | 1958-03-01 | C | 23.54 MB | Teletypewriter Automatic Dispatch System For Private Line Teletypewriter Service - Mark III - Mark IV Systems |
| P65.906.01PT | 1958-07-01 | C | 1.26 MB | Teletypewriter Automatic Dispatch System - Related Practices |
| P65.908PT | 1955-03-01 | A | 12.09 MB | Automatic Transmitter Start Unit Arranged for Single Operation (Drawing P92.911.01) |
| P65.909PT | 1957-01-01 | B | 11.03 MB | Automatic Transmitter Start Unit Arranged for Half Duplex Operation (Drawing P92.911.02) |
| P65.910PT A | 1957-01-01 | A | 275.32 KB | Teletypewriter Station Equipment - Automatic Dispatch System (TADS) for Private Line Service - Station Selector Equipment P92.901.04 |
| P65.910PT X1 | 1960-04-01 | C | 1.52 MB | Teletypewriter Selector Unit P92.901.04 - TADS - Code Selection Without Automatic Start |
| P65.913PT | 1956-04-01 | A | 931.22 KB | Teletypewriter Station Equipment - Typing Reperforator Control and Tape Feed-Out Circuit for Use with T.A.D.S. (Drawing P92.902.01) |
| P65.918PT | 1957-05-01 | A | 6.38 MB | Teletypewriter Automatic Dispatch System - The Teletypewriter Selecting Code - Printing Suppressor (Drawing P92.904.01) |
| P65.920PT | 1957-10-01 | A | 4.72 MB | Teletypewriter Automatic Dispatch System - TADS Station Selector for Private Line Teletypewriter Service Using 60-75 WPM On Half-Duplex Lines (Drawing P92.901.03) |
| P65.924.00PT | 1959-06-01 | A | 5.03 MB | The ADOSO System (Automatic Distribution of Service Orders) |
| P65.924.01PT | 1959-09-01 | A | 6.13 MB | The ADOSO System (Automatic Distribution of Service Orders) - Equipment Testing - Drawings PSD-70005-01 and PSD-70006-01 |
| P65.924.02PT | 1960-01-01 | A | 4.50 MB | The ADOSO System (Automatic Distribution of Service Orders) - ADOSO Equipment Requirements |
| P65.924.03PT | 1961-01-01 | A | 595.21 KB | ADOSO System (Automatic Distribution of Service Orders) - Message Registers (Veeder Root-Counters) - Maintenance Adjustment |
| P65.925.00PT | 1961-10-01 | A | 16.19 MB | ADOSO II System (Automatic Distribution of Service Orders) - General Information |
| P65.925.01PT | 1961-10-01 | A | 10.19 MB | ADOSO II System (Automatic Distribution of Service Orders) - Installation and Maintenance Tests for a Complete ADOSO II System - PSD-70010-01 - PSD-70011-01 - PSD-70012-01 |
| P65.925.02PT | 1961-10-01 | A | 9.40 MB | ADOSO II System (Automatic Distribution of Service Orders) - Maintenance Tests for Multi-Line Control Unit PSD-70012-01 |
| P65.925.03PT | 1961-10-01 | A | 3.45 MB | ADOSO II System (Automatic Distribution of Service Orders) - Maintenance Tests for Branch Station-Business Office Control Unit PSD-70010-01 |
| P65.925.04PT | 1961-10-01 | A | 4.68 MB | ADOSO II System (Automatic Distribution of Service Orders) - Maintenance Tests for Branch Station-Plant Service Center Control Unit PSD-70011-01 |
| P70.000.1LL | 1959-12-01 | D | 5.77 MB | Numerical Index and Checking List - Division P 70 - Teletypewriter Apparatus |
| P70.014 | 1951-10-01 | 1 | 6.74 MB | Description and Operation of No. 15-Type Perforator Transmitter |
| P70.021 | 1951-10-01 | 1 | 5.00 MB | Description and Operation of No. 14 and No. 20 Transmitter Distributors |
| P70.034 | 1953-08-01 | 1 | 10.50 MB | 28 Teletypewriter - Description and Operating Principles |
| P70.035 | 1956-03-01 | 1 | 3.67 MB | 28 Stuntbox - Description and Operating Principles |
| P70.037 | 1956-06-01 | 1 | 1.58 MB | 28A Sequence Selector - Description and Operating Principles - 83B1 Selective Calling Systems |
| P70.253 | 1961-12-01 | 6 | 14.13 MB | Information on Sationery for Teletypewriters |
| P70.500LL A | 1961-01-01 | B | 2.49 MB | Engineering and Operating Considerations Involved in Furnishing Circuits to Western Union Telegraph Company Under Special Contract |
| P70.604 | | 1 | 47.04 MB | 81D1 Teletypewriter Switching System - Description |
| P70.604.01 | 1961-04-01 | 1 | 15.07 MB | Improvements in 81D1 Teletypewriter Switching System, Including 100-Speed Operation |
| P70.605.00 | 1953-02-01 | 2 | 845.16 KB | Telegraph Systems - 81D1 Teletypewriter Switching System - Outlying Station Circuits - Relay Function Charts |
| P70.606.00 | 1953-02-01 | 2 | 847.97 KB | Telegraph Systems - 81D1 Teletypewriter Switching System - Switching Center Circuits - Relay Function Charts |
| P70.909.20LL | 1962-08-01 | C | 31.17 MB | Semi-Automatic Tape Relay System - Bellfast Outlying Station Sequence Charts Based on WA 12773-SD, Issue 8 |
| P70.915LL | 1958-06-01 | A | 1.66 MB | 14 Transmitter - Distributor Control Circuit - Description, Operation, and Test Procedure |
| P70.916LL | 1958-06-01 | A | 1.65 MB | Connect 28TTY From Transmitter Start Circuit - Description, Operation, and Test Procedure |
| P70.917LL | 1958-06-01 | A | 2.50 MB | Circuit and 28TTY Checking Arrangement - Description, Operation, and Test Procedure |
| P70.923LL | 1959-04-01 | A | 10.11 MB | Transmitter Control Arrangement - Master Station - Fast Inter-Line Non-Printing Activate Control "FINAC" - Description, Operation, and Tests |
| P70.924LL | 1959-01-01 | A | 5.03 MB | 28 ASR Teletypewriter - Full Duplex Outlying Station Arranged for Fast Inter-Line Non-Printing Activate Control (FINAC) - Description, Operation, and Tests |
| P70.925LL | 1960-01-01 | A | 3.37 MB | 28 ASR Teletypewriter - Full Duplex Outlying Station Arranged for Fast Inter-Line Non-Printing Activate Control (FINAC) - Description, Operation and Tests |
| P70.926LL | 1960-12-01 | A | 11.70 MB | Automatic Start and Coded Answer-Back Checking System - Air Defense Command, Alert No. 1 Network (Teletype) |
| P90.001LL | 1960-06-01 | L | 52.54 MB | Numerical Index and Checking List - Division P90 - Teletypewriter Station Installation Drawings |
| P90.014 | 1939-09-27 | 2 | 850.34 KB | 14 TTY - 14B Table - TWP Service with 128B2 TTY Sub Set |
| P90.015 | 1951-11-01 | 4 | 217.33 KB | 15 TTY - 15N Table - Private Line Service with 128B2 TTY Sub Set |
| P90.015 | 1956-12-01 | 5 | 849.13 KB | 15 TTY - 15N Table - Private Line Service with 128B2 TTY Sub Set |
| P90.017 | 1938-08-11 | 1 | 212.46 KB | 19 TTY - 19A Table - TWP Service with 128B2 TTY Sub Set |
| P90.017 | 1957-09-11 | 3 | 850.64 KB | 19 TTY - 19A Table - TWP Service with 128B2 TTY Sub Set |
| P90.018 | 1952-04-01 | 5 | 156.90 KB | 128B2 or 130B1 TTY Sub. Set Arranged for Wall Mounting |
| P90.018LL A | 1954-03-01 | A | 1.65 MB | 128B2 or 130B1 TTY Sub. Set Arranged for Mounting on Floor Mounting Stand per ED-91296-01, GP 3 |
| P90.019 | 1938-09-02 | 1 | 845.82 KB | 15P or 26P Table with 15C TTY Table Door |
| P90.021 | 1954-05-01 | 3 | 848.26 KB | 15P, 26A, 26B & 26P Tables - Location of Fustat Mounting |
| P90.022 | 1950-12-01 | 1 | 853.39 KB | Attended TWX Service Station Assembly XRT200 or XRT201 TTY Table |
| P90.023 | 1951-03-21 | 2 | 852.05 KB | Attended TWX Service Station Assembly XRT205 or XRT206 TTY Table |
| P90.024 | 1956-12-01 | 3 | 1.67 MB | 128C3 TTY Sub. Set - Attended & Unattended TWX Service - 15 Type TTY & 15N Table |
| P90.025 | 1954-01-01 | 3 | 481.80 KB | 128C3 or 130B1 TTY Sub. Set for Attended & Unattended TWX Service and 130B1 TTY Sub. Set for Private Line Service - 19 TTY Set on 19A TTY Table |
| P90.025 | 1956-01-01 | 4 | 3.35 MB | 128C3 or 130B1 TTY Sub. Set for Attended & Unattended TWX Service and 130B1 TTY Sub. Set for Private Line Service - 19 TTY Set on 19A TTY Table |
| P90.027 | 1958-12-01 | 2 | 850.26 KB | 14 TTY - 14B Table - Private Line Service with 130B1 or 130B2 TTY Sub. Set |
| P90.031 | 1955-06-01 | 2 | 3.30 MB | TTY Station Assembly in 28B TTY Cabinet - Private Line Service - 128B2 or 130B1 TTY Sub Set With or Without Metal Cabinet |
| P90.031 | 1956-03-01 | 3 | 411.12 KB | TTY Station Assembly in 28B TTY Cabinet - Private Line Service - 128B2 or 130B1 TTY Sub Set With or Without Metal Cabinet |
| P90.032 | 1955-06-01 | 1 | 359.04 KB | TTY Station Assembly - 28B TTY Cabinet - PLS Station Without TTY Subset or Attended or Unattended Local TWX Station |
| P90.032 | 1956-04-01 | 2 | 4.13 MB | TTY Station Assembly in 28B TTY Cabinet - PLS Station Without TTY Subset or Attended or Unattended Local TWX Station |
| P90.033 | 1955-06-01 | 1 | 467.35 KB | TTY Station Assembly - 28B TTY Cabinet - Attended TLX Stations - 128C2, 128C3, or 130B1 TTY Sub Set With or Without Metal Cabinet |
| P90.033 | 1956-06-01 | 3 | 3.32 MB | TTY Station Assembly - 28B TTY Cabinet - Attended TLX Stations - 128C2, 128C3, or 130B1 TTY Sub Set With or Without Cabinet |
| P90.034 | 1955-06-01 | 1 | 318.55 KB | TTY Station Assembly - 28B TTY Cabinet - Unattended TLX Stations with 128C2, 128C3, or 130B1 TTY Sub Set Without Metal Cabinet |
| P90.034 | 1956-04-01 | 2 | 1.66 MB | TTY Station Assembly - 28B TTY Cabinet - Unattended TLX Stations with 128C2, 128C3, or 130B1 TTY Sub Set Without Metal Cabinet |
| P90.035 | 1958-02-01 | 1 | 1.65 MB | TTY Station Assembly - 28B TTY Cabinet - Attended TLX Stations - 130C1 TTY Sub Set |
| P90.036 | 1958-02-01 | 1 | 1.65 MB | TTY Station Assembly - 28B TTY Cabinet - Unattended TLX Stations - 130C1 TTY Sub Set |
| P90.037 | 1958-02-01 | 1 | 1.65 MB | TTY Station Assembly - 28B TTY Cabinet - Private Line Service - 130C1 TTY Sub Set |
| P90.040 | 1961-03-01 | 2 | 2.49 MB | 120C2 & 120D1 TTY Subscriber Sets - Unattended Local TWX Service - 19 TTY on XRT205 or XRT206 Table |
| P90.042 | 1961-03-01 | 2 | 2.40 MB | Attended & Unattended TWX Service with 128C2 or 128C3 TTY Subscriber Set on XRT205 or XRT206 Table |
| P90.045 | 1960-04-01 | 1 | 2.48 MB | Local Attended TWX Service - 14 or 15 Type Teletypewriter - XRT200 or XRT201 Table |
| P90.046 | 1960-04-01 | 1 | 849.97 KB | 28ASR TTY in 28G40 Cabinet - Attended or Unattended TWX Service - 128C3 TTY Sub. Set |
| P90.047 | 1960-04-01 | 1 | 847.02 KB | 28ASR TTY in 28G40 Cabinet - Private Line Service - 128B2 TTY Sub. Set |
| P90.048 | 1960-04-01 | 1 | 2.48 MB | 28ASR TTY in 28G40 Cabinet - Attended or Unattended TWX Station |
| P90.050 | 1961-03-01 | 2 | 1.66 MB | 28ASR TTY in 28G40 Cabinet - Private Line Service and Attended or Unattended TWX Service - 130C1 TTY Sub Set |
| P90.051 | 1960-08-01 | 1 | 1.66 MB | 28KSR or 28RO TTY in 28 Type Cabinet - Private Line Service and Attended TWX Service - 130C1 TTY Sub Set |
| P90.052 | 1960-08-01 | 1 | 1.66 MB | 28KSR TTY in 28 Type Cabinet - Unattended TWX Service - 130C1 TTY Sub Set |
| P90.100 | 1961-09-01 | 1 | 1.64 MB | Data Set 101A on 28 Type Cabinet |
| P90.101 | 1961-09-01 | 1 | 1.65 MB | Data Set 101A on 28 Type Cabinet for Wide Area Data Service |
| P90.102 | 1961-09-01 | 1 | 1.66 MB | Data Set 101A on 28 Type Cabinet for Wide Area Data Service |
| P90.103 | 1961-09-01 | 1 | 1.65 MB | Data Set 101A on 28 Type Cabinet |
| P90.104 | 1961-09-01 | 1 | 1.65 MB | Data Set 101A on 19 Type Table |
| P90.105 | 1961-09-01 | 1 | 1.65 MB | Data Set 101A on 15 Type Table |
| P90.106 | 1961-09-01 | 1 | 1.65 MB | Data Set 101A on XRT 200 or 201 Table |
| P90.313 | 1956-05-01 | 2 | 2.50 MB | Teletypewriter Systems - Nos. 14 & 20 Trans. Dist. On XRT 200 Table - Power and Start Magnet Control - Modification of Table |
| P90.316 | 1959-11-01 | 3 | 4.20 MB | TTY Station Wiring - 130B2 TTY Sub Set - Private Line Service - 14 TTY & 14B or XRT 200 TTY Table |
| P90.511 | | 5 | 567.85 KB | 15 TTY - 15N Table - TWP Service - 128B2 TTY Sub Set - Two Loop Operation - Magnet Receiving |
| P90.511 | 1958-11-01 | 6 | 2.53 MB | 15 TTY - 15N Table - TWP Service - 128B2 TTY Sub Set - Two Loop Operation - Magnet Receiving |
| P90.512 | 1954-04-01 | 5 | 574.86 KB | 15 TTY - 15N Table - TWP Service - 128B2 TTY Sub Set - Single Loop Operation with Emergency TTY |
| P90.512 | 1958-11-01 | 6 | 2.53 MB | 15 TTY - 15N Table - TWP Service - 128B2 TTY Sub Set - Single Loop Operation with Emergency TTY |
| P90.513 | 1949-07-01 | 1 | 2.51 MB | Attended TWX Service - 15 TTY - XRT200 or XRT201 Table Over a Local Line or an Open Loop and a Multi-Section Line to TTY Swbds. No. 1, 1A, 3A, 3C or 5 or to TTY Line Concentrating Unit No. 101A, 101B or 102A - 120V A-C or D-C |
| P90.514 | 1950-12-01 | 1 | 612.64 KB | Attended TWX Service Over a Local Line to TTY Swbds. No. 1, 1A, 3A, 3C, 5 or Open Line Tlt. Bd. or to TTY Line Conc. Units No. 101A, 101B or 102A or Over Multi-Section Line Terminating in a Loop - 15 TTY on XRT200 or XRT201 TTY Table - 120V A-C or D-C |
| P90.515 | 1951-12-01 | 1 | 624.95 KB | 128C3 TTY Sub. Set - Attended TWX Service - 15N TTY Table |
| P90.515 | 1956-04-01 | 2 | 2.52 MB | 128C3 TTY Sub. Set - Attended TWX Service - 15N TTY Table |
| P90.516 | 1954-03-01 | 3 | 677.39 KB | 128C3 TTY Sub. Set - Unattended TWX Service - 15N TTY Table |
| P90.517 | 1960-03-01 | 3 | 3.34 MB | TTY Station Wiring - 130B1 TTY Sub. Set - Attended TWX Service - 15 TTY & 15N Table |
| P90.518 | 1960-03-01 | 3 | 3.34 MB | 130B1 TTY Sub. Set - Unattended TWX Service - 15 TTY & 15N, XRT200 or XRT201 TTY Table |
| P90.519 | 1961-03-01 | 5 | 4.22 MB | 130B1 TTY Sub. Set - Private Line Service - 15 TTY & 15N, XRT200 or XRT201 TTY Table |
| P90.520 | 1961-03-01 | 4 | 4.20 MB | TTY Station Wiring - 130B2 TTY Sub Set - Private Line Service - 15 TTY & 15N, XRT200 or XRT201 Table |
| P90.521 | 1961-03-01 | 6 | 5.01 MB | TTY Station Wiring - 130B2 TTY Sub. Set - Attended TWX Service - 15 TTY & 15N, XRT200 or XRT 201 Table |
| P90.522 | 1961-03-01 | 4 | 3.36 MB | TTY Station Wiring - 130B2 TTY Sub Set - Unattended TWX Service - 15 TTY & 15N, XRT200 or XRT201 Table |
| P90.526 | 1960-07-01 | 1 | 2.52 MB | 15 TTY - 15N Table - TWP Service - 128B2 TTY Sub Set - Single Loop Operation Holding Magnet Receiving Without Emergency Teletypewriter |
| P90.711 | 1954-05-01 | 7 | 703.28 KB | 19 TTY - 19A Table - TWP Service with 128B2 TTY Sub Set - Single Loop Operation - Emergency TTY Optional |
| P90.711 | 1958-11-01 | 8 | 2.54 MB | 19 TTY - 19A Table - TWP Service with 128B2 TTY Sub Set - Single Loop Operation - Emergency TTY Optional |
| P90.713 | 1951-12-01 | 1 | 787.57 KB | 128C3 TTY Sub. Set - Attended TWX Service - 19A TTY Table |
| P90.713 | 1960-03-01 | 3 | 3.37 MB | 128C3 TTY Sub. Set - Attended TWX Service - 19A TTY Table |
| P90.714 | 1951-12-01 | 1 | 897.16 KB | 128C3 TTY Sub. Set - Unattended TWX Service - 19A TTY Table |
| P90.714 | 1956-04-01 | 2 | 3.36 MB | 128C3 TTY Sub. Set - Unattended TWX Service - 19A TTY Table |
| P90.717 | 1961-03-01 | 6 | 4.22 MB | 130B1 TTY Sub Set - Private Line Service - 19 TTY Set on 19A, XRT205 or XRT206 TTY Table |
| P90.718 | 1961-03-01 | 2 | 3.35 MB | Attended TWX Service - 19 TTY Set on XRT205 or XRT206 Table Over a Local Line, or an Open Loop and a Multi-Section Line to TTY Swbds. No. 1, 1A, 3A, 3C, or 5 or to 101A, 101B, or 102A TTY Line Conc. Units or to an Open Loop Tlt Bd. - 120V A-C or D-C Power Supply |
| P90.719 | 1961-03-01 | 4 | 4.20 MB | TTY Station Wiring - 130B2 TTY Sub Set - Attended TWX Service - 19 TTY Set on 19A, XRT 205 or XRT 206 TTY Table |
| P90.724 | 1961-03-01 | 2 | 3.35 MB | 19 TTY - 128C3 TTY Sub. Set - Attended TWX Service - XRT205 or XRT206 TTY Table |
| P90.903LL | 1951-05-01 | I | 5.88 MB | No. 20 Teletypewriter - 6 Unit - Perforator & No. 20 Trans-Dist - XT 39, XT 201 or 19A TTY Table and No. 20KSR on 15A, 15N, 15P or XRT 200 TTY Table |
| P90.904PT | 1941-02-01 | A | 212.04 KB | No. 15 TTY - 15N Table with 15B Control Panel - Local Attended TWX Service to No. 1, 5, and 3A Switchboards with Automatic Flashing Signal |
| P90.905PT | 1941-02-01 | A | 294.62 KB | No. 15 TTY - 15N Table with 15F Control Panel - Local Attended TWX Service to No. 1, 5 & 3A Switchboards with Automatic Flashing Signal |
| P90.906LL | 1947-01-01 | D | 1.66 MB | Teletypewriter Service - 19-A Table - 15 KSR and 14 Trans-Dist. - Trans.-Dist. Controlled by Break on TTY - 110 Volt AC or DC |
| P90.907LL | 1941-06-01 | B | 1.66 MB | Teletypewriter Service - 15-N and 19-A Table - 15 KSR - 14 Ty;ing Reperf and 14 Trans-Dist - 110 Volt AC |
| P90.908LL | 1949-04-01 | B | 3.46 MB | Teletypewriter Systems - Remote Motor Control with 96892M Set of Parts - 19 TTY Set on 19A Table and 15 TTY on 15A, C, D, J, N or P Table - A.C. or D.C. 115 Volt Power Supply - Single Operation |
| P90.909PT | 1941-02-01 | A | 246.59 KB | No. 15 TTY - 15N Table - 120C1 Set - Unattended Service to No. 3A or 5 Switchboard with Automatic Flashing Recall |
| P90.913LL | 1961-06-01 | D | 2.52 MB | 19 Teletypewriter Set - 19A Table - Typing Unit and Perforator Operating as a Unit Independently of Trans.-Dist. - External Line-Test Key - 110 Volt |
| P90.915LL | 1941-06-01 | A | 1.66 MB | Wiring of Circuits - Circuit Label - Q101 Teletypewriter Table - Serial No. 38 and Upward |
| P90.917LL | 1944-04-01 | C | 2.49 MB | Teletypewriter Systems - Circuit Arrangement and Operating Features of 19A TTY Set (15A Base) as Used for Press Association Inc. TTY Service - AC or DC Commercial Power |
| P90.918LL | 1944-04-01 | C | 2.49 MB | Teletypewriter Systems - Circuit Arrangement and Operating Features of 19A TTY Set (15C Base) as Used for Press Association Inc. TTY Service - AC or DC Commercial Power |
| P90.924LL | 1954-01-01 | B | 2.51 MB | Teletypewriter Systems - No. 19 TTY Set & No. 14 Typing Reperforator - Dual Service |
| P90.927LL | 1946-09-01 | B | 5.83 MB | Teletypewriter Systems - Q102 Table - Single Duplex or Dual Operation With or Without Break-Transfer Circuit Room Circuit Without Break-Transfer Circuit - 110 Volt AC |
| P90.928LL | 1943-02-01 | A | 4.21 MB | Teletypewriter Systems - Q102 Assembly with Break-Transfer Circuit - PLS Operation |
| P90.930LL | 1956-07-01 | M | 1.68 MB | Switching Arrangement - External Break Transfer Arrangement for Use with TTY Tables - Single or Duplex PLS and Dual Service (Schematic) |
| P90.937LL | | Q | 5.09 MB | Teletypewriter Systems - 102A Table - Break Transfer Circuit - Dual Operation (Wiring) |
| P90.941LL | 1952-03-01 | C | 1.65 MB | Teletypewriter Systems - 102A Table - Suggested Arrangement of Equipment on Basis of Providing Break-Transfer Circuit and 60 Type Selector |
| P90.948LL | 1945-10-01 | A | 2.54 MB | Signaling Arrangements - Auxiliary Bell Signal or One or Two Auxiliary Visual Signals Operative on Upper Case "S" Bell Signal - No. 15 or No. 19 TTY - 110 Volt A.C. Power |
| P90.949LL | 1948-01-01 | A | 2.48 MB | Signaling Arrangements - No. 15 TTY Remote Gong with Optional Auxiliary Signaling Device Operated From Upper Case Contacts - 115 Volt AC 60 Cycle |
| P90.953LL | 1943-12-01 | A | 1.67 MB | 64C1 Selector System - Applique Circuit to Permit Remote Control of Buzzer & Power Bell When Used with Arrangement per BSP P90.982 |
| P90.954LL | 1955-06-01 | C | 1.04 MB | 19 Type Teletypewriter - Typical Arrangement - 115 Volt A.C. Power - Single Operation with 15C Base - 19A Table |
| P90.955LL | 1946-05-01 | C | 2.53 MB | 19 Type Teletypewriter - Typical Arrangement - 115 Volt A.C. Power - Single Operation with 15A or 15B Base |
| P90.956LL | 1945-08-01 | E | 1.69 MB | Recording Aarrangement to Measure Idle or Used Time on a Teletypewriter Circuit for Either Polar or Neutral Circuits - Schematic |
| P90.957LL | 1945-04-01 | D | 2.51 MB | Recording Aarrangement to Measure Idle or Used Time on Teletypewriter Circuit for Either Polar or Neutral Circuits - Wiring |
| P90.964LL | 1955-10-01 | B | 2.50 MB | Teletypewriter Systems - No. 19 TTY Set - Bracket for Mounting an Auxiliary Trans-Dist. Over Regular Trans-Dist. |
| P90.965LL | 1950-10-01 | E | 2.49 MB | Teletypewriter Systems - 19-A Table - Bracket for Mounting an RO or KSR Typing Reperforator Over Transmitter Distributor |
| P90.966LL | | F | 9.07 MB | Teletypewriter Systems - 19A, XRT 205, XRT 206 and XT 201 TTY Tables - Bracket for Mounting Either a Non-Typing or Typing Reperforator Over the Transmitter-Distributor |
| P90.968LL | 1952-10-01 | I | 3.35 MB | Switching Arrangement - 15 Type TTY on 15 Type Table and No. 19 Set with Pulling or Holding Magnets - Wiring and Equipment of Arrangement to Permit Connecting Power to the TTY Set by a 5 Second Break Signal & Disconnecting it By a Fig.-Blank H or Fig.-H Combination - Also Manual Control of Power to TTY Set - AC or DC Power Supply |
| P90.969LL | 1953-07-01 | M | 6.79 MB | Switching Arrangement - 15 Type TTY on 15 Type Table and No. 19 Set with Pulling or Holding Magnets - Wiring and Equipment of Arrangement to Permit Connecting Power to the TTY Set by a 5 Second Break Signal and Disconnecting it By a Fig.-Blank-H or Fig.-H Combination - Also Manual Control of Power to TTY Set - Wiring |
| P90.970LL | 1946-07-01 | B | 1.65 MB | Telegraph Systems - Key to Transmit a 5 Second Break Signal |
| P90.973LL | 1947-11-01 | G | 1.66 MB | 64-C-1 Selector System - Applique Circuit to Permit Disconnection & Connection of TTY Disables - Associated Calling Arrangement Per P90.980 When TTY is Disconnected - To Be Used with P90.962 - Schematic |
| P90.974LL | 1944-03-01 | B | 1.67 MB | 64-C-1 Selector System - Applique Circuit to Permit Disconnection & Connection of TTY Disables - Associated Calling Arrangement Per P90.981 When TTY is Disconnected - To Be Used with P90.983 - Wiring |
| P90.980LL | 1952-04-01 | Q | 2.52 MB | 64C1 Selector System - Special Selective Calling Circuit Using 10 Cycle Dial and Pulse Divider - Schematic |
| P90.981LL | 1952-04-01 | R | 1.67 MB | 64C1 Selector System - Special Selective Calling Circuit Using 10 Cycle Dial and Pulse Divider - Wiring |
| P90.982.1LL | 1953-04-01 | B | 4.18 MB | 64-C-2 Selector System - Receiving Circuit (Schematic) |
| P90.982LL | 1951-11-01 | Y | 4.21 MB | 64-C-1 Selector System - Receiving Circuit (Schematic) |
| P90.983LL | 1942-12-11 | Y | 1.73 MB | 64-C-1 Selector System - Receiving Unit |
| P90.984LL | 1948-05-01 | N | 5.82 MB | 64-C-1 Selector System - Applique Circuit to Permit Remote Control of Audible Alarm and Power of a 15 TTY on 15N Table or 19 ASR TTY When Used with Arrangement Shown on P90.982 |
| P90.985LL | 1946-12-01 | F | 1.66 MB | Switching Arrangements - 60 Type Selector - Selective Calling Arrangement - Equipment Mounting Details - 14-B, 15-A, 15-N & 19-A Tables |
| P90.988LL | 1943-03-01 | C | 1.57 MB | Switching Arrangements - 60 Type Selector - Selective Calling Arrangement - 15-N Table - Equipment Arrangement |
| P90.989LL | 1947-02-01 | F | 2.47 MB | Switching Arrangements - 60 Type Selector - Selective Calling Arrangement - 19-A Table - Equipment Arrangement |
| P90.990LL | 1947-11-01 | I | 1.67 MB | 64-C-1 Selector System - Applique Circuit to Permit Disconnection and Connection of TTY - To Be Used with P90.982 - Schematic |
| P90.991LL | 1944-03-01 | F | 1.67 MB | 64-C-1 Selector System - Applique Circuit to Permit Disconnection and Connection of TTY - To Be Used with P90.983 - Wiring |
| P90.992LL | 1947-01-01 | D | 5.07 MB | 64-C-1 Selector System - Teletypewriter Modifications and Connections - No. 14, 15 and 19 Type Teletypewriter Sets with External Line-Test Key for Use with Applique Per P90.990 or P90.973 - Wiring and Schematic |
| P90.993LL | 1943-02-01 | C | 847.32 KB | Switching Arrangements - 60 Type Selector - Selective Calling Arrangement - Teletypewriter Modifications and Connections - No. 14, 15 and 19 Type Equipment - Sending Stations |
| P90.994LL | 1942-04-01 | A | 845.86 KB | Switching Arrangements - Portable Testing Circuit for 60 Type Receiving Selector |
| P90.995LL | 1942-04-01 | A | 846.08 KB | Switching Arrangement - Wiring for Portable Testing Circuit for 60 Type Receiving Selector |
| P90.996LL | 1942-11-01 | B | 1.66 MB | Switching Arrangements - 60 Type Selector - Selective Calling Arrangement - Typical Layout - Sending From No. 15 TTY on 15N Table Receiving by No. 19 TTY Set on 19-A Table with Applique Circuit Per BSP P90.990 and External Line-Test Key Per BSP P90.992 |
| P90.997LL | 1943-03-01 | D | 847.08 KB | Switching Arrangements - 60 Type Selector - Selector Calling Arrangement - Mod. Of 5LA Dial for Mounting 61-A Filter |
| P90.998LL | 1944-03-01 | C | 846.71 KB | 64-C-1 Selector System - Teletypewriter Modifications and Connections - No. 14, 15 and 19 Type Teletypewriter Sets Without Line-Test Key for Use with Applique Per BSP P90.990 or P90.973 - Wiring and Schematic |
| P90.999LL | 1944-03-01 | B | 1.67 MB | 64-C-1 Selector System - Applique Circuit to Permit Remote Power Control of a 15 TTY on 15N Table or 19ASR TTY When Used with Arrangement Shown on (BSP P90.982) |
| P91.075 | 1954-02-01 | 2 | 440.12 KB | 28 Type Teletypewriter - Private Line Service - Send-Receive or Receiving Only - Magnet Operation, Switch Control - 2-W Line or 1-W to Grd. At TTY - 120V A-C Power |
| P91.101 | 1954-09-01 | 2 | 662.75 KB | 28 Type Teletypewriter in 28B TTY Cabinet - Attended TWX Service - Relay Operation - TTY Swbd No. 1, 1A, 3A, 3C, 5, or 67A2 or Line Concentrating Unit No. 101B |
| P91.118 | 1954-11-01 | 1 | 673.95 KB | 28 Type Teletypewriter in 28B TTY Cabinet - Attended TWX Service - 128C2 TTY Subscriber Set - 120 Volt AC Power Supply |
| P91.120 | 1954-11-01 | 1 | 710.71 KB | 28 Type Teletypewriter in 28B TTY Cabinet - Attended TWX Service - 128C3 TTY Subscriber Set - 120 Volt AC Power Supply |
| P91.121 | 1956-05-01 | 2 | 755.76 KB | 28 Type Teletypewriter in 28B TTY Cabinet - Unattended TWX Service - 128C3 TTY Subscriber Set - 120 Volt AC Power Supply |
| P91.201 | 1955-04-01 | 2 | 1.00 MB | 28 Type Teletypewriter in 28B TTY Cabinet - Private Line Service - Send and Receive or Receving Only - Relay Operation, One Way Polar or Neutral 2W Line or IW Line to Ground or Battery - Switch Control |
| P91.205 | 1955-01-01 | 1 | 747.76 KB | 28 Type Teletypewriter in 28B TTY Cabinet - Private Line Service - 128B2 TTY Subscriber Set - Send and Rec, Single Loop, Mag Operation Switch Control, 120V AC Power |
| P91.812 | 1950-08-01 | 1 | 137.61 KB | Telegraph Systems - 128B2 Subscriber Set - Arrangement to Keep Line Closed When Power is Removed From Set and Associated Teletypewriter |
| P96.022 | 1948-12-01 | 2 | 332.21 KB | Telegraph Systems - No. 15 Teletypewriter - Teletypewriter Stations - Private Line Service - Customer Provided Table - Wiring of Power and Loop Panel and Connections to TTY - D-C Power |
| P98.045 | 1950-11-01 | 2 | 56.63 KB | TP95477 Platen Block and TP95474 Platen Shaft - Change Notice |
| P98.081 | 1950-11-01 | 1 | 51.35 KB | TP122244 Strip - Change Notice |
| P98.082 | 1950-11-01 | 1 | 67.11 KB | TP84584 Release Full Bar Assembly - TP83969 Set of Parts for Positive Shift - Change Notice |
| P98.083 | 1950-11-01 | 1 | 54.32 KB | TP93167 & TP93168 Ribbon Reverse Levers - Change Notice |
| P98.084 | 1950-11-01 | 1 | 62.69 KB | TP119540 Keyed Nut and TP119541 Capstan Nut (For Selector Mechanism) - Change Notice |
| P98.085 | 1951-01-01 | 2 | 59.71 KB | TP71696, TP83546, TP86154, TP90086 and TP90775 Range Scales - Change Notice |
| P98.086 | 1950-11-01 | 1 | 64.50 KB | TP122058 Glass Panel (For Tape Storage Box) - Change Notice |
| P98.087 | 1950-11-01 | 1 | 54.90 KB | TP91832 and TP117313 Paper Spindles - Change Notice |
| P98.088 | 1950-11-01 | 1 | 58.67 KB | TP115114 and TP115116 Brackets, TP115122 Felt Washer - Change Notice |
| P98.089 | 1950-11-01 | 1 | 58.83 KB | TP115408 Contact Plunger - Change Notice |
| P98.090 | 1950-11-01 | 1 | 54.27 KB | TP122276 Blocking Lever Assembly - Change Notice |