Division P: Teletypewriter and Data Stations

Section Date Issue Size Title
P31.4101958-01-012300.41 KBDot Generator and Bias Measuring Set
P34.0011962-07-015638.43 KBAlphabetical Index of 28-Type Equipment - Bell System Practices and Associated 28 ASR Station Drawings
P34.0041959-07-012251.36 KBMotors and Governors - 28 Teletypewriter - Requirements and Procedures
P34.004 A1958-05-01168.92 KBMotors and Governors - 28 Teletypewriter - Requirements and Procedures
P34.0051959-10-0121.25 MBSelector Mechanism - 28 Teletypewriter - Requirements and Procedures
P34.1011955-08-012771.76 KB28 Teletypewriter - List of Units and Auxiliary Features
P34.101 A1958-03-012489.71 KB28 Teletypewriter - List of Units and Auxiliary Features
P34.1021958-09-0111.69 MB28 Automatic Sending and Receiving Set - List of Units
P34.102 A1958-11-011135.33 KB28 Automatic Sending and Receiving Set - List of Units
P34.102 A1961-04-012190.11 KB28 Automatic Sending and Receiving Set - List of Units
P34.1031958-11-011550.43 KB28 Distributors and Transmitter-Distributor Units, Bases, and Housings - List of Units
P34.1041959-11-0121.23 MB28 Typing Reperforator and Reperforator-Transmitter Set - List of Units and Auxiliary Features
P34.1051960-08-0111.44 MB28 Cabinets, Tables, Covers, and Housings - List of Units
P34.1061961-12-011437.91 KB28 Motor Units and Sets of Gears - List of Units
P34.3011962-12-0182.94 MB28-Type Teletypewriter - Typing Unit, Motor Unit and Base - Wiring Diagram
P34.301 A1963-10-011176.35 KB28-Type Teletypewriter - Typing Unit, Motor Unit and Base - Wiring Diagram
P34.3021963-08-0186.67 MB28KSR and RO Teletypewriter - Cabinets and Electrical Service Units - Wiring Diagram
P34.3031963-08-014119.82 KB28 Distributors - Wiring Diagram
P34.3041958-09-011832.71 KB28F** Cabinet with 28C Electrical Service Unit - Wiring Diagram
P34.3051962-01-0132.25 MB28-Type Reperforator-Transmitter Sets and Units - Wiring Diagram
P34.3061958-09-011455.85 KB28B and 28C Transmitter-Distributor Units - Wiring Diagram
P34.3071962-12-0143.06 MB28 Perforator-Transmitter-Base - Wiring Diagram
P34.307 A1963-10-011863.85 KB28 Perforator-Transmitter-Base - Wiring Diagram
P34.3081962-03-0141.38 MB28-Type Typing Reperforator - Units and Bases - Wiring Diagram
P34.308 A1962-06-011452.48 KB28-Type Typing Reperforator - Units and Bases - Wiring Diagram
P34.3091961-11-0131.71 MB28D, D-1, D-2 and K Electrical Service Units for 28-Type Typing Reperforator - Wiring Diagram
P34.309 A1963-02-011487.51 KB28D, D-1, D-2 and K Electrical Service Units for 28-Type Typing Reperforator - Wiring Diagram
P34.3101958-09-011524.04 KB28A** Cabinet for Four Typing Reperforators - Wiring Diagram
P34.3111958-09-01153.08 KB4A Tape Winder - Wiring Diagram
P34.3121958-09-01162.33 KB28A Tape Splicer - Wiring Diagram
P34.3131961-10-012388.06 KB28A-1 Cabinet for Mounting Six Typing Reperforators - Wiring Diagram
P34.3141961-12-012335.75 KB28G and 28H Teletypewriter Cabinets - Wiring Diagram
P34.3151961-12-014303.43 KB28E, F, G, H, H-1, H-2 and LA Transmitter-Distributor Units - Wiring Diagram
P34.3161961-10-012186.39 KB28 Sequence Selector Units - Wiring Diagram
P34.3171961-04-0141.01 MB28F, F-1, H, and J Electrical Service Units - Wiring Diagram
P34.317 A1962-03-011211.43 KB28F, F-1, H, and J Electrical Service Units - Wiring Diagram
P34.3181962-02-014518.97 KB28G and G-1 Electrical Service Units - Wiring Diagram
P34.3201962-12-0131.04 MB28 Transmitter-Distributor Bases and 28 Transmitter-Distributor Housings - Wiring Diagram
P34.3211960-07-012256.46 KB28G and 28H Transmitter-Distributor Mounting and Cover Assemblies - Wiring Diagram
P34.3221961-12-012320.33 KB28A and 28B Reperforator-Transmitter Adapter Unit - Wiring Diagram
P34.3231960-08-011387.96 KB28 Type Apparatus Cabinets - Wiring Diagram
P34.3241961-04-011257.18 KB28F Cabinet with 28F-1 or 28G Electrical Service Unit - Wiring Diagram
P34.3251962-12-012552.67 KB28L, 28P and 28P-1 Electrical Service Units - Wiring Diagram
P34.3261962-05-01268.65 KB28A Mounting and Cover Assembly - Wiring Diagram
P34.3271961-12-011107.22 KB28A Receiving Selector Unit - Wiring Diagram
P34.3501962-12-012305.31 KB28LA Electrical Service Unit - Wiring Diagram
P34.3511962-01-012375.99 KB28LC and 28LC-1 Electrical Service Units - Wiring Diagram
P34.3521961-09-011304.79 KB28LB Electrical Service Unit - Wiring Diagram
P34.3531962-01-012446.70 KB28LD and 28LD-1 Electrical Service Units - Wiring Diagram
P34.3541961-09-01149.63 KB28LA Apparatus Cabinet - Wiring Diagram
P34.3551963-08-013229.03 KB28-Type Tape Typing Units, 28-Type Tape Teletypewriter Bases, and 28-Type Tape Teletypewriter Covers - Wiring Diagram
P34.3561961-09-01181.27 KB28LB Teletypewriter Cabinet - Wiring Diagram
P34.3591963-11-01162.83 KB28H Reperforator Unit - Wiring Diagram
P34.4011960-08-01175.96 KB28 Teletypewriter (Keyboard Send-Receive and Receive Only) - Disassembly and Reassembly Routines
P34.4021960-08-011553.82 KB28 Typing Unit (Including Selector Mechanism) - Disassembly and Reassembly Routines
P34.402 A1962-01-01175.08 KB28 Typing Unit (Including Selector Mechanism) - Disassembly and Reassembly Routines
P34.4031960-08-011204.50 KB28 Motor Unit - Disassembly and Reassembly Routines
P34.403 A1961-05-01155.81 KB28 Motor Unit - Disassembly and Reassembly Routines
P34.4041960-08-011470.50 KB28 Teletypewriter Base (Keyboard Send-Receive Base and Receive-Only Base) - Disassembly and Reassembly Routines
P34.4051960-08-011156.69 KB28 Teletypewriter Cabinet - Disassembly and Reassembly Routines
P34.4061960-08-011141.75 KB28 Electrical Service Unit - Disassembly and Reassembly Routines
P34.4101961-06-011354.99 KB28 Sequence Selector Unit and Base - Disassembly and Reassembly Routines
P34.4121963-08-012153.81 KB28B and 28C Transmitter-Distributor Units - Disassembly and Reassembly Routines
P34.4131961-03-011249.99 KB28C Transmitter-Distributor Unit - Disassembly and Reassembly Routines
P34.4141961-10-011152.34 KB28E and 28H-Type Transmitter-Distributor Units - Disassembly and Reassembly Routines
P34.4151962-06-012476.19 KB28F, 28G-Type, 28LA, and 28LB Transmitter-Distributor Units - Disassembly and Reassembly Routines
P34.415 A1164.45 KB28F, 28G, 28G-1, and 28LA, Transmitter-Distributor Units - Disassembly and Reassembly Routines
P34.4181962-02-012144.55 KB28 Multiple-Mounted, Multicontact Transmitter-Distributor Set - Disassembly and Reassembly Routines
P34.4201961-02-011218.80 KB28 Reperforator-Transmitter Set, Unit, and Stand - Disassembly and Reassembly Routines
P34.4221961-02-011216.27 KB28 Nontyping Reperforator - Disassembly and Reassembly Routines
P34.4251961-06-012304.47 KB28 Typing Reperferator [sic] Base, Keyboard, and Cover - Disassembly and Reassembly Routines
P34.4301961-05-011334.98 KB28 Perforator-Transmitter-Base - Disassembly and Reassembly Routines
P34.4351961-05-011928.26 KB28 Automatic Send-Receive Set - Assembly
P34.435 A1962-10-01145.31 KB28 Automatic Send-Receive Set - Assembly
P34.4371961-05-011254.64 KBAuxiliary Typing Reperforator for 28 Automatic Send-Receive Set - Installation
P34.4401961-03-011128.05 KB28 Self-Contained Transmitter-Distributor Sets (Single-Contact and Multicontact) - Disassembly and Reassembly Routines
P34.4411963-11-011911.68 KB28 Wall-Mounted Keyboard Send-Receive and Receive-Only Teletypewriter (KSR and RO) - Installation
P34.4601956-06-0111.04 MBInstallation of Function Parts on a 28 Stuntbox
P34.460 A1959-06-011129.02 KBInstallation of Function Parts on a 28 Stuntbox
P34.4611961-02-0111.35 MB28 Stuntbox Mechanisms and Principles of CDC Assignments on the Broadcast of a Data-Phone System
P34.5001957-10-012204.18 KB28 Teletypewriter - Maintenance Inspections and Tests
P34.5011963-11-0127.66 MB28 Typing Unit - Lubrication
P34.501 A1962-02-01273.12 KB28 Typing Unit - Lubrication
P34.5021961-06-011147.27 KB28 Motor Unit - Lubrication
P34.5031963-11-0125.97 MB28 Teletypewriter Base (Keyboard Send-Receive Base and Receive-Only Base) - Lubrication
P34.5041961-06-011746.54 KB28 Teletypewriter Cabinet - Lubrication
P34.504 A1961-10-01161.74 KB28 Teletypewriter Cabinet - Lubrication
P34.5051961-06-011103.88 KB28 Electrical Service Unit - Lubrication
P34.5091962-05-012302.91 KB28 Tape Typing Unit and 28 Tape Teletypewriter Base and Cover - Lubrication
P34.5101962-01-011772.54 KB28 Distributor - Lubrication
P34.510 A1961-04-011137.66 KB28 Distributor - Lubrication
P34.5111963-11-0111.62 MB28B and 28C Transmitter-Distributor Units - Lubrication
P34.5131963-03-0111.10 MB28E and 28H-Type Transmitter-Distributor Units - Lubrication
P34.5141962-07-0121.26 MB28F and 28G-Type, 28LA, and 28LB Transmitter-Distributor Units - Lubrication
P34.5181961-04-011389.34 KB28 Multiple-Mounted, Multicontact Transmitter-Distributor Set - Lubrication
P34.5201960-12-011312.77 KB28 Reperforator-Transmitter Unit - Lubrication
P34.5211960-12-011187.08 KB28 Reperforator-Transmitter Stand - Lubrication
P34.5221963-06-0122.84 MB28 Single-Magnet Nontyping Reperforator - Lubrication
P34.5251962-09-0122.95 MB28 Single-Magnet Typing Reperforator - Lubrication
P34.525 A1962-10-011240.64 KB28 Single-Magnet Typing Reperforator - Lubrication
P34.5261961-12-011104.61 KB28 Typing Reperforator Cover - Lubrication
P34.5271962-07-011890.70 KB28 Typing Reperforator Base (Receiving-Only Base and Keyboard Sending-Receiving Base) - Lubrication
P34.5301963-11-0125.17 MB28 Perforator-Transmitter-Base - Lubrication
P34.5321963-11-0121.44 MB28 Multimagnet Nontyping Reperforator - Lubrication
P34.5351961-06-0111.50 MB28 Sequence Selector Unit and Base - Lubrication
P34.5401961-02-011520.13 KB28 Self-Contained Transmitter-Distributor Sets (Single-Contact and Multicontact) - Lubrication
P34.5411961-10-011206.69 KB28 Transmitter-Distributor Base Answer-Back Mechanism - Lubrication
P34.5501961-12-012188.02 KB28 Apparatus Cabinet - Lubrication
P34.6011953-08-0117.28 MB28 Teletypewriter - Lubrication
P34.601 A1958-06-012732.30 KB28 Teletypewriter - Lubrication
P34.6021958-06-0111.06 MB28C Transmitter-Distributor Unit - Lubrication
P34.6031958-07-0111.02 MB28B Transmitter-Distributor Unit - Lubrication
P34.6041959-02-0111.14 MB28E and 28H Transmitter-Distributor Units - Lubrication
P34.604 A1961-10-01163.04 KB28E and 28H-Type Transmitter-Distributor Units - Lubrication
P34.6101956-02-012153.22 KB28 Teletypewriter - General Information and Index
P34.6121963-05-0144.40 MB28 Typing Unit - Requirements and Adjustments
P35.3011955-05-015530.09 KBWiring Diagrams - No. 14 Type Teletypewriters
P35.3211933-12-01162.95 KBWiring Diagram - No. 14 DD or No. 14 DF Teletypewriter
P35.3311949-01-014148.50 KBWiring Diagram - 14-Type Transmitter-Distributors
P35.3321938-08-012175.00 KBWiring Diagrams - 14A Reperforator Unit and Base Plant
P35.4631944-06-01294.62 KBInstallation of 87467M 14-Type Monitoring Teletypewriter Relay Switching Mechanism
P35.4761942-04-011209.12 KB101389M and 101481M Sets of Parts for Handling Chadless Tape - No. 14 Transmitter-Distributor - Installation
P35.5441948-08-011364.67 KBNo. 14 Reperforator-Transmitter - Maintenance Inspection and Tests
P35.5501952-05-011453.59 KB114-Type Reperforator-Transmitter - Maintenance Inspection and Tests
P35.6011949-08-013234.97 KB14-Type Typing Unit and Base - Lubrication
P35.6031949-08-014107.56 KBReperforator - 14 and 20 Type - Lubrication
P35.6101949-04-0141.35 MB14 Type Typing Unit - Requirements and Procedures
P35.6311948-05-0151.16 MBTransmitter-Distributor No. 14 - Station Type - Requirements and Procedures
P35.631 A1949-08-012541.94 KB14 Tape-Type Transmitter-Distributor - Requirements and Procedures
P35.6321945-11-01161.39 KBTransmitter Distributor No. 14 - Station Type - Requirements and Procedures - Operation at 100 Speed
P35.6331950-08-0123.14 MBReperforator-Transmitter Units 14F and 14G - Requirements and Procedures
P35.6341950-08-011134.52 KBReperforator Transmitter Units 14D and 14E - Requirements and Procedures
P35.6401947-10-012664.44 KBPerforators 14A, 13B - Requirements and Procedures
P35.6501949-04-012468.09 KB14 Type Reperforators - Requirements and Procedures
P35.6511946-10-0151.92 MBTyping Reperforator Units and Bases - 14 Type - Requirements and Procedures
P35.6511959-04-0171.56 MB14 Typing Reperforator - Requirements and Procedures
P35.651 A1947-07-011132.94 KBTyping Reperforator Units and Bases - 14 Type - Requirements and Procedures
P35.6521945-11-011109.25 KBTyping Reperforator Units and Bases - 14 Type - Requirements and Procedures - Operation at 100 Speed
P39.6101955-05-013154.35 KB20 Typing Unit - Requirements and Procedures
P39.6201951-03-012106.83 KBTeletypewriter-Keyboard - 20 Type - Requirements and Procedures
P40.1011938-03-011406.98 KBNo. 26 Teletypewriter - Description of Apparatus
P40.3011943-09-012128.38 KBNo. 26 Teletypewriter - Wiring Diagrams
P40.4611943-08-011285.15 KBInstallation of Motor Control Parts on No. 26 Teletypewriters
P40.461 A1944-03-01184.82 KBInstallation of Motor Control Parts on No. 26 Teletypewriters
P40.6011938-03-013448.91 KBTeletypewriter - Lubrication of 26 Type - Requirements and Procedures
P40.601 A1939-09-01161.38 KBTeletypewriter - 26 Type - Lubrication
P40.601MB A1947-08-01A44.59 KBTeletypewriter - 26 Type - Lubrication
P40.6101940-08-0142.44 MBTeletypewriter - Typing Unit - 26 Type - Requirements and Procedures
P40.610 A1944-11-011123.88 KBTeletypewriter - Typing Unit - 26 Type - Requirements and Procedures
P40.610MB A1945-01-01A143.20 KBTeletypewriter - Typing Unit - 26 Type - Requirements and Procedures
P40.6201938-03-012528.19 KBTeletypewriter - Base - 26 Type - Requirements and Procedures
P40.901MB1942-07-24A97.19 KBNo. 26 Teletypewriter - Installation of 90964M Line Relay - Mounting Assembly
P40.902MB1942-07-24A216.47 KBNo. 26 Teletypewriter - Installation of 90989M Set of Parts for Break Lock
P40.903MB1942-07-24A101.66 KBNo. 26 Teletypewriter - Installation of 93197M and 93198M Power Switch Parts
P40.904MB1944-06-01A68.54 KBNo. 26 Teletypewriter - Set of Parts for Prevention of Deterioration of Rubber Cords on No. 26 Bases
P70.000.1LL1959-12-01D5.77 MBNumerical Index and Checking List - Division P 70 - Teletypewriter Apparatus
P70.0141951-10-0116.74 MBDescription and Operation of No. 15-Type Perforator Transmitter
P70.0211951-10-0115.00 MBDescription and Operation of No. 14 and No. 20 Transmitter Distributors
P70.0351956-03-0113.67 MB28 Stuntbox - Description and Operating Principles
P70.0371956-06-0111.58 MB28A Sequence Selector - Description and Operating Principles - 83B1 Selective Calling Systems
P70.2531961-12-01614.13 MBInformation on Sationery for Teletypewriters
P70.500LL A1961-01-01B2.49 MBEngineering and Operating Considerations Involved in Furnishing Circuits to Western Union Telegraph Company Under Special Contract
P70.604147.04 MB81D1 Teletypewriter Switching System - Description
P70.604.011961-04-01115.07 MBImprovements in 81D1 Teletypewriter Switching System, Including 100-Speed Operation
P70.605.001953-02-012845.16 KBTelegraph Systems - 81D1 Teletypewriter Switching System - Outlying Station Circuits - Relay Function Charts
P70.606.001953-02-012847.97 KBTelegraph Systems - 81D1 Teletypewriter Switching System - Switching Center Circuits - Relay Function Charts
P70.909.20LL1962-08-01C31.17 MBSemi-Automatic Tape Relay System - Bellfast Outlying Station Sequence Charts Based on WA 12773-SD, Issue 8
P70.915LL1958-06-01A1.66 MB14 Transmitter - Distributor Control Circuit - Description, Operation, and Test Procedure
P70.916LL1958-06-01A1.65 MBConnect 28TTY From Transmitter Start Circuit - Description, Operation, and Test Procedure
P70.917LL1958-06-01A2.50 MBCircuit and 28TTY Checking Arrangement - Description, Operation, and Test Procedure
P70.923LL1959-04-01A10.11 MBTransmitter Control Arrangement - Master Station - Fast Inter-Line Non-Printing Activate Control "FINAC" - Description, Operation, and Tests
P70.924LL1959-01-01A5.03 MB28 ASR Teletypewriter - Full Duplex Outlying Station Arranged for Fast Inter-Line Non-Printing Activate Control (FINAC) - Description, Operation, and Tests
P70.925LL1960-01-01A3.37 MB28 ASR Teletypewriter - Full Duplex Outlying Station Arranged for Fast Inter-Line Non-Printing Activate Control (FINAC) - Description, Operation and Tests
P70.926LL1960-12-01A11.70 MBAutomatic Start and Coded Answer-Back Checking System - Air Defense Command, Alert No. 1 Network (Teletype)
P90.001LL1960-06-01L52.54 MBNumerical Index and Checking List - Division P90 - Teletypewriter Station Installation Drawings
P90.0141939-09-272850.34 KB14 TTY - 14B Table - TWP Service with 128B2 TTY Sub Set
P90.0151956-12-015849.13 KB15 TTY - 15N Table - Private Line Service with 128B2 TTY Sub Set
P90.0171957-09-113850.64 KB19 TTY - 19A Table - TWP Service with 128B2 TTY Sub Set
P90.018LL A1954-03-01A1.65 MB128B2 or 130B1 TTY Sub. Set Arranged for Mounting on Floor Mounting Stand per ED-91296-01, GP 3
P90.0191938-09-021845.82 KB15P or 26P Table with 15C TTY Table Door
P90.0211954-05-013848.26 KB15P, 26A, 26B & 26P Tables - Location of Fustat Mounting
P90.0221950-12-011853.39 KBAttended TWX Service Station Assembly XRT200 or XRT201 TTY Table
P90.0231951-03-212852.05 KBAttended TWX Service Station Assembly XRT205 or XRT206 TTY Table
P90.0241956-12-0131.67 MB128C3 TTY Sub. Set - Attended & Unattended TWX Service - 15 Type TTY & 15N Table
P90.0251956-01-0143.35 MB128C3 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
P90.0271958-12-012850.26 KB14 TTY - 14B Table - Private Line Service with 130B1 or 130B2 TTY Sub. Set
P90.0311955-06-0123.30 MBTTY Station Assembly in 28B TTY Cabinet - Private Line Service - 128B2 or 130B1 TTY Sub Set With or Without Metal Cabinet
P90.0321956-04-0124.13 MBTTY Station Assembly in 28B TTY Cabinet - PLS Station Without TTY Subset or Attended or Unattended Local TWX Station
P90.0331956-06-0133.32 MBTTY Station Assembly - 28B TTY Cabinet - Attended TLX Stations - 128C2, 128C3, or 130B1 TTY Sub Set With or Without Cabinet
P90.0341956-04-0121.66 MBTTY Station Assembly - 28B TTY Cabinet - Unattended TLX Stations with 128C2, 128C3, or 130B1 TTY Sub Set Without Metal Cabinet
P90.0351958-02-0111.65 MBTTY Station Assembly - 28B TTY Cabinet - Attended TLX Stations - 130C1 TTY Sub Set
P90.0361958-02-0111.65 MBTTY Station Assembly - 28B TTY Cabinet - Unattended TLX Stations - 130C1 TTY Sub Set
P90.0371958-02-0111.65 MBTTY Station Assembly - 28B TTY Cabinet - Private Line Service - 130C1 TTY Sub Set
P90.0401961-03-0122.49 MB120C2 & 120D1 TTY Subscriber Sets - Unattended Local TWX Service - 19 TTY on XRT205 or XRT206 Table
P90.0421961-03-0122.40 MBAttended & Unattended TWX Service with 128C2 or 128C3 TTY Subscriber Set on XRT205 or XRT206 Table
P90.0451960-04-0112.48 MBLocal Attended TWX Service - 14 or 15 Type Teletypewriter - XRT200 or XRT201 Table
P90.0461960-04-011849.97 KB28ASR TTY in 28G40 Cabinet - Attended or Unattended TWX Service - 128C3 TTY Sub. Set
P90.0471960-04-011847.02 KB28ASR TTY in 28G40 Cabinet - Private Line Service - 128B2 TTY Sub. Set
P90.0481960-04-0112.48 MB28ASR TTY in 28G40 Cabinet - Attended or Unattended TWX Station
P90.0501961-03-0121.66 MB28ASR TTY in 28G40 Cabinet - Private Line Service and Attended or Unattended TWX Service - 130C1 TTY Sub Set
P90.0511960-08-0111.66 MB28KSR or 28RO TTY in 28 Type Cabinet - Private Line Service and Attended TWX Service - 130C1 TTY Sub Set
P90.0521960-08-0111.66 MB28KSR TTY in 28 Type Cabinet - Unattended TWX Service - 130C1 TTY Sub Set
P90.1001961-09-0111.64 MBData Set 101A on 28 Type Cabinet
P90.1011961-09-0111.65 MBData Set 101A on 28 Type Cabinet for Wide Area Data Service
P90.1021961-09-0111.66 MBData Set 101A on 28 Type Cabinet for Wide Area Data Service
P90.1031961-09-0111.65 MBData Set 101A on 28 Type Cabinet
P90.1041961-09-0111.65 MBData Set 101A on 19 Type Table
P90.1051961-09-0111.65 MBData Set 101A on 15 Type Table
P90.1061961-09-0111.65 MBData Set 101A on XRT 200 or 201 Table
P90.3131956-05-0122.50 MBTeletypewriter Systems - Nos. 14 & 20 Trans. Dist. On XRT 200 Table - Power and Start Magnet Control - Modification of Table
P90.3161959-11-0134.20 MBTTY Station Wiring - 130B2 TTY Sub Set - Private Line Service - 14 TTY & 14B or XRT 200 TTY Table
P90.5111958-11-0162.53 MB15 TTY - 15N Table - TWP Service - 128B2 TTY Sub Set - Two Loop Operation - Magnet Receiving
P90.5121958-11-0162.53 MB15 TTY - 15N Table - TWP Service - 128B2 TTY Sub Set - Single Loop Operation with Emergency TTY
P90.5131949-07-0112.51 MBAttended 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
P90.5141950-12-0112.54 MBAttended 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
P90.5151956-04-0122.52 MB128C3 TTY Sub. Set - Attended TWX Service - 15N TTY Table
P90.5161954-03-0134.21 MB128C3 TTY Sub. Set - Unattended TWX Service - 15N TTY Table
P90.5171960-03-0133.34 MBTTY Station Wiring - 130B1 TTY Sub. Set - Attended TWX Service - 15 TTY & 15N Table
P90.5181960-03-0133.34 MB130B1 TTY Sub. Set - Unattended TWX Service - 15 TTY & 15N, XRT200 or XRT201 TTY Table
P90.5191961-03-0154.22 MB130B1 TTY Sub. Set - Private Line Service - 15 TTY & 15N, XRT200 or XRT201 TTY Table
P90.5201961-03-0144.20 MBTTY Station Wiring - 130B2 TTY Sub Set - Private Line Service - 15 TTY & 15N, XRT200 or XRT201 Table
P90.5211961-03-0165.01 MBTTY Station Wiring - 130B2 TTY Sub. Set - Attended TWX Service - 15 TTY & 15N, XRT200 or XRT 201 Table
P90.5221961-03-0143.36 MBTTY Station Wiring - 130B2 TTY Sub Set - Unattended TWX Service - 15 TTY & 15N, XRT200 or XRT201 Table
P90.5261960-07-0112.52 MB15 TTY - 15N Table - TWP Service - 128B2 TTY Sub Set - Single Loop Operation Holding Magnet Receiving Without Emergency Teletypewriter
P90.7111958-11-0182.54 MB19 TTY - 19A Table - TWP Service with 128B2 TTY Sub Set - Single Loop Operation - Emergency TTY Optional
P90.7131960-03-0133.37 MB128C3 TTY Sub. Set - Attended TWX Service - 19A TTY Table
P90.7141956-04-0123.36 MB128C3 TTY Sub. Set - Unattended TWX Service - 19A TTY Table
P90.7171961-03-0164.22 MB130B1 TTY Sub Set - Private Line Service - 19 TTY Set on 19A, XRT205 or XRT206 TTY Table
P90.7181961-03-0123.35 MBAttended 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
P90.7191961-03-0144.20 MBTTY Station Wiring - 130B2 TTY Sub Set - Attended TWX Service - 19 TTY Set on 19A, XRT 205 or XRT 206 TTY Table
P90.7241961-03-0123.35 MB19 TTY - 128C3 TTY Sub. Set - Attended TWX Service - XRT205 or XRT206 TTY Table
P90.903LL1951-05-01I5.88 MBNo. 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
P90.906LL1947-01-01D1.66 MBTeletypewriter Service - 19-A Table - 15 KSR and 14 Trans-Dist. - Trans.-Dist. Controlled by Break on TTY - 110 Volt AC or DC
P90.907LL1941-06-01B1.66 MBTeletypewriter Service - 15-N and 19-A Table - 15 KSR - 14 Ty;ing Reperf and 14 Trans-Dist - 110 Volt AC
P90.908LL1949-04-01B3.46 MBTeletypewriter 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
P90.913LL1961-06-01D2.52 MB19 Teletypewriter Set - 19A Table - Typing Unit and Perforator Operating as a Unit Independently of Trans.-Dist. - External Line-Test Key - 110 Volt
P90.915LL1941-06-01A1.66 MBWiring of Circuits - Circuit Label - Q101 Teletypewriter Table - Serial No. 38 and Upward
P90.917LL1944-04-01C2.49 MBTeletypewriter 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
P90.918LL1944-04-01C2.49 MBTeletypewriter 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
P90.924LL1954-01-01B2.51 MBTeletypewriter Systems - No. 19 TTY Set & No. 14 Typing Reperforator - Dual Service
P90.927LL1946-09-01B5.83 MBTeletypewriter Systems - Q102 Table - Single Duplex or Dual Operation With or Without Break-Transfer Circuit Room Circuit Without Break-Transfer Circuit - 110 Volt AC
P90.928LL1943-02-01A4.21 MBTeletypewriter Systems - Q102 Assembly with Break-Transfer Circuit - PLS Operation
P90.930LL1956-07-01M1.68 MBSwitching Arrangement - External Break Transfer Arrangement for Use with TTY Tables - Single or Duplex PLS and Dual Service (Schematic)
P90.937LLQ5.09 MBTeletypewriter Systems - 102A Table - Break Transfer Circuit - Dual Operation (Wiring)
P90.941LL1952-03-01C1.65 MBTeletypewriter Systems - 102A Table - Suggested Arrangement of Equipment on Basis of Providing Break-Transfer Circuit and 60 Type Selector
P90.948LL1945-10-01A2.54 MBSignaling 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
P90.949LL1948-01-01A2.48 MBSignaling Arrangements - No. 15 TTY Remote Gong with Optional Auxiliary Signaling Device Operated From Upper Case Contacts - 115 Volt AC 60 Cycle
P90.953LL1943-12-01A1.67 MB64C1 Selector System - Applique Circuit to Permit Remote Control of Buzzer & Power Bell When Used with Arrangement per BSP P90.982
P90.954LL1955-06-01C3.44 MB19 Type Teletypewriter - Typical Arrangement - 115 Volt A.C. Power - Single Operation with 15C Base - 19A Table
P90.955LL1946-05-01C2.53 MB19 Type Teletypewriter - Typical Arrangement - 115 Volt A.C. Power - Single Operation with 15A or 15B Base
P90.956LL1945-08-01E1.69 MBRecording Aarrangement to Measure Idle or Used Time on a Teletypewriter Circuit for Either Polar or Neutral Circuits - Schematic
P90.957LL1945-04-01D2.51 MBRecording Aarrangement to Measure Idle or Used Time on Teletypewriter Circuit for Either Polar or Neutral Circuits - Wiring
P90.964LL1955-10-01B2.50 MBTeletypewriter Systems - No. 19 TTY Set - Bracket for Mounting an Auxiliary Trans-Dist. Over Regular Trans-Dist.
P90.965LL1950-10-01E2.49 MBTeletypewriter Systems - 19-A Table - Bracket for Mounting an RO or KSR Typing Reperforator Over Transmitter Distributor
P90.966LLF9.07 MBTeletypewriter 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
P90.968LL1952-10-01I3.35 MBSwitching 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
P90.969LL1953-07-01M6.79 MBSwitching 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
P90.970LL1946-07-01B1.65 MBTelegraph Systems - Key to Transmit a 5 Second Break Signal
P90.973LL1947-11-01G1.66 MB64-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
P90.974LL1944-03-01B1.67 MB64-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
P90.980LL1952-04-01Q2.52 MB64C1 Selector System - Special Selective Calling Circuit Using 10 Cycle Dial and Pulse Divider - Schematic
P90.981LL1952-04-01R1.67 MB64C1 Selector System - Special Selective Calling Circuit Using 10 Cycle Dial and Pulse Divider - Wiring
P90.982.1LL1953-04-01B4.18 MB64-C-2 Selector System - Receiving Circuit (Schematic)
P90.982LL1951-11-01Y4.21 MB64-C-1 Selector System - Receiving Circuit (Schematic)
P90.983LL1942-12-11Y1.73 MB64-C-1 Selector System - Receiving Unit
P90.984LL1948-05-01N5.82 MB64-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
P90.985LL1946-12-01F1.66 MBSwitching Arrangements - 60 Type Selector - Selective Calling Arrangement - Equipment Mounting Details - 14-B, 15-A, 15-N & 19-A Tables
P90.988LL1943-03-01C1.57 MBSwitching Arrangements - 60 Type Selector - Selective Calling Arrangement - 15-N Table - Equipment Arrangement
P90.989LL1947-02-01F2.47 MBSwitching Arrangements - 60 Type Selector - Selective Calling Arrangement - 19-A Table - Equipment Arrangement
P90.990LL1947-11-01I1.67 MB64-C-1 Selector System - Applique Circuit to Permit Disconnection and Connection of TTY - To Be Used with P90.982 - Schematic
P90.991LL1944-03-01F1.67 MB64-C-1 Selector System - Applique Circuit to Permit Disconnection and Connection of TTY - To Be Used with P90.983 - Wiring
P90.992LL1947-01-01D5.07 MB64-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
P90.993LL1943-02-01C847.32 KBSwitching Arrangements - 60 Type Selector - Selective Calling Arrangement - Teletypewriter Modifications and Connections - No. 14, 15 and 19 Type Equipment - Sending Stations
P90.994LL1942-04-01A845.86 KBSwitching Arrangements - Portable Testing Circuit for 60 Type Receiving Selector
P90.995LL1942-04-01A846.08 KBSwitching Arrangement - Wiring for Portable Testing Circuit for 60 Type Receiving Selector
P90.996LL1942-11-01B1.66 MBSwitching 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
P90.997LL1943-03-01D847.08 KBSwitching Arrangements - 60 Type Selector - Selector Calling Arrangement - Mod. Of 5LA Dial for Mounting 61-A Filter
P90.998LL1944-03-01C846.71 KB64-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
P90.999LL1944-03-01B1.67 MB64-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)
P91.8121950-08-011137.61 KBTelegraph Systems - 128B2 Subscriber Set - Arrangement to Keep Line Closed When Power is Removed From Set and Associated Teletypewriter
P96.0221948-12-012332.21 KBTelegraph 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
P98.0451950-11-01256.63 KBTP95477 Platen Block and TP95474 Platen Shaft - Change Notice
P98.0811950-11-01151.35 KBTP122244 Strip - Change Notice
P98.0821950-11-01167.11 KBTP84584 Release Full Bar Assembly - TP83969 Set of Parts for Positive Shift - Change Notice
P98.0831950-11-01154.32 KBTP93167 & TP93168 Ribbon Reverse Levers - Change Notice
P98.0841950-11-01162.69 KBTP119540 Keyed Nut and TP119541 Capstan Nut (For Selector Mechanism) - Change Notice
P98.0851951-01-01259.71 KBTP71696, TP83546, TP86154, TP90086 and TP90775 Range Scales - Change Notice
P98.0861950-11-01164.50 KBTP122058 Glass Panel (For Tape Storage Box) - Change Notice
P98.0871950-11-01154.90 KBTP91832 and TP117313 Paper Spindles - Change Notice
P98.0881950-11-01158.67 KBTP115114 and TP115116 Brackets, TP115122 Felt Washer - Change Notice
P98.0891950-11-01158.83 KBTP115408 Contact Plunger - Change Notice
P98.0901950-11-01154.27 KBTP122276 Blocking Lever Assembly - Change Notice