Bell System Miscellaneous Drawings

Section Date Issue Size Title
A-3500451961-09-14276.25 KBWiring Diagram - Key Block Assembly - 615A Telephone Set and 4A & 6A Telephone Console
A-560507687.37 KBCoin Telephone Set Connecting Diagram
A-5791091961-05-011273.03 KB630BW & 631BW Type Telephone Sets Wiring Diagram and Schematics
A-5791821963-01-02156.35 KB701 Type Telephone Sets Wiring Diagram & Schematic
A-5792011961-02-17793.30 KB610A, A1 & A2 Tel. Set Wiring Diagram
A-5792061962-03-15969.82 KB632 Type Tel Set Wiring Diagram & Circuit Label P-12E419
A-5792601961-05-1911.29 MB557 Type Telephone Sets - Cording, Wiring Diagram, Schematic & Circuit Label P-11E907
A-5792611961-05-1911.21 MB559 Type Telephone Sets - Cording, Wiring Diagram, Schematic & Circuit Label P-11E908
A-5792661962-03-091073.95 KB634A, B & 635A Type Telephone Set Wiring Diagram & Circuit Label, P-12E418
A-5792971960-02-02350.86 KB711 Type Telephone Sets Wiring Diagram & Schematic
A-5793111960-05-273594.13 KBWiring Diagram - 21B Dial
A-5793351962-02-13695.74 KB7A Type Tel. Console Wiring Diagram
A-5793881961-02-10579.63 KB636 & 637 Type Telephone Set Wiring Diagram
A-5793991961-02-10575.09 KB638 & 639 Type Telephone Set Wiring Diagram
A-5794311961-04-26359.55 KB701D Type Tel. Set Wiring Diagram, Schematic & Circuit Label P-14E172
A-5794531961-01-30374.67 KB621A1 Type Telephone Set Wiring Diagram
A-5794551961-01-30374.18 KB621A2 Type Telephone Set Wiring Diagram
A-5794571962-03-26778.44 KB9A Type Tel. Consoles Wiring Diagram
A-5794861960-08-311633.48 KBWiring Diagram - 21C Dial
A-5794871962-07-02872.51 KB661 Type Telephone Set Wiring Diagram & Circuit Label (P-15E431)
A-5795271961-09-082990.25 KB525AW & BW Tel. Sets Wiring Diagram & Circuit Label P-13E486
A-5795591962-02-23676.46 KB3A Type Telephone Console Wiring Diagram
A-5795681962-02-15493.96 KB3A Type Tel Console Schematic
A-5795701961-03-144114.86 KBSchematic - Key Block Assembly - 4A Telephone Console
A-5796111964-08-24985.87 KB6A Tel. Console Wiring Diagram
A-5796121961-07-10380.97 KBSchematic - Key Block Assembly - 615A Tel Set & 6A Tel Console
A-5796281961-06-202997.99 KB689 Type Sub Set Wiring Diagram
A-5796421961-04-191820.35 KB691 Type Subscriber Set Wiring Diagram
A-5796751963-01-094750.38 KBWiring Diagram - 21D Dial
A-5796801962-07-02268.31 KB661A2 Type Telephone Set Wiring Diagram
A-5796841962-02-13272.19 KB8A1 Type Tel Console Wiring Diagram
A-5796851962-02-13272.82 KB8A2 Tel Console Wiring Diagram
A-5796871962-10-1051.21 MB689C Sub Set Wiring Diagram
A-5796891961-09-081996.04 KB689D Sub Set Wiring Diagram
A-5796901962-10-1051.24 MB689E Sub Set Wiring Diagram
A-5797191962-05-10371.40 KB1A & 2A Type Telephone Console Wiring Diagram
A-5797201961-10-27157.53 KB1A1 & 1A2 Selector Console Wiring Diagram
A-5797711962-11-29890.46 KB608B & 618A Type Telephone Set Connecting Diagram and Circuit Label (P-15E837)
A-5798041962-03-22156.48 KB661A3 Type Telephone Set Wiring Diagram
A-5798081962-05-28272.66 KB5A Type Tel. Console Wiring Diagram
A-5798631964-04-30661.63 KB1662A Telephone Set Connecting Diagram
A-5798761964-01-28668.15 KB662 Type Telephone Set Connecting Diagram
A-5799271964-02-13565.91 KB660A Type Telephone Set Connecting Diagram
A-5799391963-04-02246.00 KB12 Type Apparatus Unit Wiring Diagram
A-5800131964-07-027110.55 KB12A1 Tel. Console Wiring Diagram
A-5800921963-06-21163.15 KB14 Type Apparatus Unit Connecting Diagram
A-5800991964-07-29557.18 KB1660A1 & A2 Tel Set Connecting Diagram
A-5801011964-03-05447.56 KB702B Type Telephone Set Connecting Diagram
A-5801181963-08-08346.17 KB1634 & 1635 Type Telephone Set Connecting Diagram
A-5801191963-12-19449.01 KB1630 & 1631 Type Telephone Set Connecting Diagram
A-5801201963-12-19447.91 KB1632 Type Telephone Set Connecting Diagram
A-5801211963-12-19669.28 KB1636 and 1637 Type Telephone Set Connecting Diagram
A-5801221963-12-19667.88 KB1638 and 1639 Type Telephoen Set Connecting Diagram
A-5801311964-07-29658.09 KB1660A3 & A4 Connecting Diagram
A-5801601968-05-272176.73 KB241A Amplifier Modification (Also B-991729)
A-5801661964-03-04348.45 KB712B Telephone Set Connecting Diagram
A-5801681963-08-08255.62 KB608C & 618B Connecting Diagram
A-5801781964-03-04357.68 KB1712B Telephone Set Connecting Diagram
A-5802021964-08-05357.15 KB663A Type Tel Set Connecting Diagram
A-5802031964-08-05280.59 KB664A Type Tel Set Connecting Diagram
A-5802151964-06-03352.93 KB1663A Type Tel Set Connecting Diagram
A-5802171964-04-30390.02 KB1664A Type Tel Set Connecting Diagram
A-5803111965-11-165288.31 KBTouch Tone Connecting Diagram
A-5803121965-11-163295.91 KBRotary Wiring Diagram
A-5803391966-01-214186.42 KB1234G Coin Collector Connecting Diagram
A-5806221965-10-282218.19 KB236G Coin Collector Connecting Diagram
A-5904141970-10-142374.41 KB698A Subscriber Set Test Circuit
B-1876531959-02-172717.89 KBKS-16605, L1 Teletrainer Final Assembly
B-1877031959-02-172734.52 KBKS-16605, L1 Teletrainer Control Unit Schematic
B-1877791958-04-081485.35 KBFront Screen Cloth
B-1877871958-02-251400.50 KBLabel [Warning: This Unit in Not to Be Repaired By the User]
B-1936331961-01-151592.97 KBCoin Collector - Washer Reject - Coin Gauge Equipped with Nylon - Wheels and Associated Retaining Clips
B-1983601961-06-141410.28 KB691A Subset Base Plate Marking
B-2112231956-09-251481.50 KBCapacitance Mounting Positions - Leich Electric Company L533A-2600 and L535A-2600 Subscriber Sets
B-2112241956-09-251434.75 KBApparatus Blank Drilling - Leich Electric Company L533A-2600 and L535A-2600 Subscriber Sets
B-5576171970-08-074926.63 KBDials - 22B, 25A, 25B, 25C, 25D, 25E, 25F, 25G, 25H, 25J, 25L, 25M, 35B, and 35M - Common Switch
B-5576171981-01-215551.01 KBDials - 25C, 25F, 25G - Common Switch
B-5576191967-04-12646.17 KBDials - Touch-Tone - Test Circuit
B-5576191973-08-0711749.58 KBDials - Touch-Tone - Test Circuit
B-5576191977-02-2413565.62 KB[Dials - Touch-Tone -] Test Circuit
B-5613681963-05-13136.86 KBLocation of Foot Assemblies on Base of Call Director Sets and Attendants Consoles
B-5706971964-06-10127.05 KBTest Circuit for 242A Amplifier
B-6599011961-10-011411.68 KBHousing Separation Requirements
B-6599031962-01-021381.95 KBAssembly of RS-9097 Lock Strike Backup Cam on Coin Collector Lower Housing Assembly
B-6599041962-06-011629.63 KBWelding Mechanism Base to Lower Housing
B-6599061963-02-142345.43 KBCutout Upper Housing
B-6599071962-10-17164.56 KB661A1 Type Telephone Set with D50E Cord - Wiring Diagram
B-6599161963-07-22137.58 KB4010B Network Connections in 701 & 711 Type Telephone Sets
B-6599181964-01-16163.44 KB636A & 637A Type Telephone Set Wiring Diagram
B-6599191964-01-08161.54 KB638A & 639A Type Telephone Set Wiring Diagram
B-6599201964-01-29120.35 KBModification of Panel Tabs on 750 & 751 Type Telephone Sets
B-6599211967-02-16331.36 KB25K & 25N Dials - Common Switch
B-6599211973-02-215514.13 KB25K Dial - Common Switch (Unmodified)
B-6599251964-05-191428.15 KBLocation of Decalcomanias on 570 Type Telephone Sets
B-6599261964-08-14145.64 KB1660A1 & 1660A2 Type Tel. Sets with 26B Dial - Connecting Diagram
B-6599271964-08-14149.70 KB1660A3 & 1660A4 Type Tel. Sets with 26B Dial - Connecting Diagram
B-6599281964-08-14153.17 KB1662A Type Telephone Set with 26B Dial - Connecting Diagram
B-6599471965-01-121441.00 KB22D Dial Common Switch
B-6599491965-03-17140.24 KBRecovered Dials - 22B, 22C, 25A, 25B, 25D, 25E, 25F, 25G, 25H, 25J, 25L, 25M, 27A, 35B & 35M - Common Switch
B-6599791966-02-02124.01 KB25K & 25N Dials - Modified Common Switch
B-6599791973-02-213409.93 KB25K Dial - Modified Common Switch
B-6599801966-02-02124.72 KB66D3A Dial Common Switch
B-6599801970-08-072450.99 KB66D3A, 66D4B, and 66F3A Dials - Common Switch
B-6599811966-02-02125.50 KB66A3A, 66A4B & 66V3A Dials - Common Switch
B-6599821968-10-23443.20 KB62A3A, 66C4B, 35K3A, 66C3A, 35R3A & 35S3A Dials - Common Switch
B-6599821974-06-179662.86 KB35K3A, R3A, S3A, U3A, AC3A, AE3A, AL3A, 66C4B, C3A, H3C & K3A Dials - Common Switch
B-6599821979-09-0710658.34 KB35K3A, R3A, S3A, U3A, AC3A, AE3A, AL3A, 66C4B, C3A, H3C & K3A Dials - Common Switch & 35BC3A
B-6599821981-01-2211759.53 KB35R3A, S3A, U3A, AC3A, AE3A, BC3A, 66C4B, C3A, H3C & K3A Dials - Common Switch
B-6599831966-02-02121.56 KB25S & 25T Dials - Common Switch
B-6599831970-08-072405.47 KB25S & 25T Dials - Common Switch (Mfd Prior to 4-7-67)
B-6599841966-02-021393.53 KB25U Dial - Common Switch
B-6599851966-02-021285.67 KB25U Dial - Appended Transfer Switch
B-6599921967-03-013109.22 KBModification - Dial Housing (Also P-15E390)
B-7621281952-07-011698.92 KBTwin Contact 4 or 5 Type Dial
B-7631371960-12-01326.63 KBTerminal Designation Marking - Network - 425-Type
B-7671391953-04-161978.95 KBD-173487 (3 Conductor) 302E, F, G & H Type Telephone Set
B-7671421953-04-161957.24 KB304B, C, & D Telephone Set
B-7671451953-04-161947.98 KB306B, C, & D Telephone Sets with 426A Vacuum Tube
B-7672001956-01-053141.12 KB6 Type Dial Cording Diagram
B-7677331955-11-052226.65 KBCording - 5 Type Dial
B-7677341953-11-052227.42 KBCording - 6 Type Dial
B-7678621960-11-015771.32 KBCoin Collector Lower Housing & Coin Shield
B-8585061963-02-01156.02 KBCard Blank [40A & 41A Dials]
B-8585071963-02-01150.18 KBCard Blank [40A & 41A Dials]
B-8758221968-02-13227.52 KB35L3A, 35N1A, 35N3A, 35P1A, 35P3A, 22E3, 25R3, 25Y3, 35C3, 35C3A, 35D3, 35D3A & 35F3A Dials - Common Switch
B-8758221981-01-226660.51 KB22E3; 25F1 & G1 (Mfd After 6-1-66), and 25Y3; 35C3A, D3A, F3A, L3A, N1A, N3A, P1A, P3A, & T3A; 66A3A, A3AD, A3C, A4B, B3A, B4B, E3A, G3A, & J3C Dials - Common Switch
B-8758231967-02-15121.55 KB25P4, 25W3, 35A3, 35A3A, & 35E4A Dials - Common Switch
B-8758231968-02-13226.77 KB25P4, 25W3, 35A3, 35A3A, & 35E4A, 35G3A Dials - Common Switch
B-8758231981-01-225563.78 KB25P4, 25W3, 35A3, 35A3A, 35E4A & 35W4A Dials - Common Switch
B-8758241967-02-15120.43 KB35E Dials - Common Switch
B-8758241973-02-212397.03 KB35E4 Dials - Common Switch
B-8879081961-11-021941.17 KBDiagram of Connections - 149A and F-53198 Adapters
B-9002641953-09-171254.08 KBCording Connections for 283 Type Plug
B-9010351953-11-0524.29 MB206J, K, L Hand Telephone Sets - Cording
B-9025821954-03-091383.61 KB300A, B, C, D Tel. Set - Assembly of B1AL Ringer in Housing
B-9062051964-12-011152.10 KBContact Alignment
B-9081701955-09-062368.00 KBTest Circuit for 333A Equalizer
B-9081711955-09-062902.64 KBWiring Diagram - 333 Type Equalizers
B-9093121964-03-255623.00 KB500 Series Key Tel. Sets - Base Plate Marking
B-9123201958-12-15244.05 KBMethod of Assembly - T1 and T2 Transmitter Unit
B-9158601955-08-091550.21 KB5306C Telephone Set - Tube Mounting
B-9171391966-02-0110232.17 KB191, 195, 196, 197 CN, DN, GN, HN, CNS, DNS, GNS, HNS and 220, 223-C, D, G, H Coin Collectors - Connections
B-9171411958-11-154226.10 KB193 & 198 GN, HN, 210 & 212 G, H (CDO) Coin Collector - Connections
B-9171451958-11-153149.41 KB182 CN, DN, 200 C & D (Manual Postpay) Coin Collector - Connections
B-9177971955-11-141292.72 KBOn Off Position of Dial Light Key
B-9224461956-04-271701.79 KB5300 and 5400 Series Tel. Sets - Cording for Housing
B-9306501963-08-012503.55 KBUpper Housing - Modification to Eliminate Interference on 6C Dial
B-9306511958-09-112377.43 KB325M and N Tel Set Hinge Spring Assembly
B-9306541957-10-0311.46 MB5300 and 5400 Series Tel. Sets - Mounting Bracket & Stamping
B-9306571957-12-021523.90 KBCoin Collectors - Hole in Lower Housing & Clearance for Card Holder in Backplate
B-9306581964-01-154753.41 KBCoin Collectors - Gnd Clip on Upper Housing & Code Marking on Backplate
B-9306591958-01-021486.78 KB500 Type Telephone Set - Application of Black Lacquer to Yellow Housing
B-9428231966-02-015300.47 KBConnections for Slow Release Coin Handling Mechanism
B-9428251961-09-192460.16 KB151C & F Amplifier Test Circuit
B-9428331966-02-013274.09 KB191, 195, 196, 197 CNT, DNT, GNT, HNT, and 220, 223 CT, DT, GT, HT, 230 and 233 C, D, G, H, and 234G Coin Collectors - Connections
B-9428341367.78 KBCoin Collectors - Assembly of P-11E771 Bracket, or Equivalent, to Upper Housing
B-9428351967-03-014142.58 KBTrap Level Assembly
B-9428351976-04-125199.36 KBTrap Level Assembly
B-9428371960-06-071383.09 KBBase Plate Modification
B-9428381960-06-131378.41 KBExclusion Key Assembly and Code Marking
B-9428421961-01-151339.70 KBWeighted G1 Type Lightweight Handset
B-9428421961-09-012349.80 KBWeighted G1 Type Handset
B-9691721959-12-11117.64 KBPrincess Set Marking
B-9691721975-05-01238.88 KBPrincess Set Marking
B-9848671961-11-021972.86 KB148A Adapter - Diagram of Connections
B-9917211968-05-272227.36 KB861A Network Modification
B-9917221968-05-012180.72 KB854A Network Modification
B-9917231968-05-272151.56 KB1220A Hand Tel Set Modification
B-9917241968-05-272167.64 KBLA Type Receiver Unit Modification
B-9917251968-05-272200.69 KB80B2A Dial Modification
B-9917261968-05-272420.18 KB25W3, -Y3, & 35A3 Dial Modification
B-9917271968-05-272405.91 KB25H4 Dial Modification
B-9917281968-05-272135.35 KB277A Amplifier Modification (Also P-90D154)
B-9917291968-05-272176.72 KB241A Amplifier Modification (Also A-580160)
B-9917301968-05-272113.97 KBVaristor & Capacitor Assembly (25H4 Dial and 25W3 Dial)
B-9917961968-05-272286.08 KB242 Amplifier Modification
B-9917971968-05-272141.78 KBD-180299 Polarity Guard Modification (Also P-90D054)
B-9917981968-05-272121.44 KBD-180191 Polarity Guard Modification (Also P-90D012)
B-9917991968-05-272203.29 KB694A & 694B Subset Modification (Also P-28E447)
BA-2175441969-01-014324.84 KB500, 1500, 2500 & 3500 Type Telephone Set - Handset Supporting Surfaces
BA-2203841953-09-032648.29 KB300 & 325 Type Tel. Sets - Inner Door
BA-9192071956-01-131534.48 KB5410 Type Tel. Set Base Plate Cording
BA-9192111956-01-141554.14 KB5300 & 5400 Series Tel. Sets - Ringer Volume Control
BA-9192121956-01-141254.05 KB5300 & 5400 Series Tel. Sets - Mounting Bracket
BL-2057561955-03-214331.96 KB305 Type Tel. Set Connections
BL-2075151955-03-212282.22 KB303 Type Telephone Set - Connection Diagram
BL-2075211955-03-2123.59 MBD-173487, 302E, 302F, 302G, & 302H Tel. Sets
BL-2079811946-07-301488.38 KBFTR 802A-1 Telephone Set
BL-2087671956-10-182569.24 KBTelephone Set Ringer Bracket
BL-2093581956-10-182662.21 KBFTR 802A-1 Telephone Set - Cording
BL-2094221953-11-053155.60 KBCording Connections for 274 Type Plug
BL-2107021956-10-172897.01 KBL535-2600 Set Cording
BL-2112221947-06-101496.21 KBL533-2600 and L535-2600 Wiring Diagram
BL-2146231959-10-0553.19 MB309 Type Tel. Set - Connections
BL-2147611959-05-018342.89 KB191, 195, 196, 197 C, D, G, H, CT, DT, GT, HT, CS, DS, GS, HS Coin Collector - Connections
BL-215496455.01 KB300, 325A, C, E & G Tel. Set Connections
BL-2156501954-03-1634.19 MB306G Telephone Set Connections
BL-215934168.62 KB206M, N, P Type Hand Telephone Sets
BL-2159441953-09-042579.61 KB300 Type Tel. Set - Method of Welding Doors, Hinges, and Loops
BL-2203821957-06-114872.17 KB325J, L, M & N Tel. Sets - Connections
BL-2203831958-09-245841.03 KB300 & 325 Type Tel. Sets - Inner Door Assembly
BL-2471291959-12-159365.46 KB174C, CS, CT, G, GS, GT Coin Collector - Connections
BL-2471301959-12-019305.62 KB176C or G Coin Collector - Connections
BL-2487311953-12-233642.39 KBGong Test Set for Coin Collector
BL-7514721958-11-155224.40 KB177G Coin Collector - Connections
BL-7514731958-11-155223.43 KB178G Coin Collector - Connections
BL-7514741958-11-158245.46 KB193G, H, 198G, H Coin Collector - Connections
BL-7589731954-06-166671.66 KBC Type Ringers
BL-7590441958-11-154162.67 KB164C Manual Coin Collector - Connections
BL-7590461958-11-154189.87 KB152C Manual Coin Collector - Connections
BL-7621311955-07-2821.27 MB410, 411 & 412 Type Tel Sets with 6 Type Dial - Typical Cording
BL-9428301959-12-151296.73 KB176CS, CT, GS, GT Coin Collector - Connections
ES-1705188845.64 KBSwitchboard Lamps
ES-4583691939-07-28159.42 KB24 and 35 Type Fuses - Resistance and Current Capacity
ES-7348501956-08-10268.61 KB528 & 716A Receivers - Cording
ES-85712767.73 KBNo. 6A Order Turret System
ESA-3373791956-05-282524.99 KBConversion of 50D to 50E Apparatus Blanks
ESA-7714961956-08-10332.02 KB706A Receiver Cording
ESL-7346421956-05-072816.91 KB151AL & 152AB Anti-Sidetone Desk Stand - Diagram of Connections
ESL-7346571959-10-063798.72 KB151AL Anti-Sidetone Desk Stand - Diagram of Connections
ESL-7346911956-05-0721003.67 KB151-AL and 152-AB Desk Stands - Cording
ESL-7346941956-05-0721.03 MB151-AL and 152-AB Desk Stands - Cording
ESL-7388711957-11-044211.56 KB212A, B, C Hand Telephone Sets - Connecting Diagram
ESL-7388731957-11-044236.42 KB214A, B, C, D Hand Telephone Sets - Connections Diagram
ESL-7399131955-03-214284.52 KB304 Type Telephone Set
ESL-7679701953-12-3051.15 MBSubsets (Bell Boxes) - Connections
ESL-7802171955-03-212273.03 KB306A, B, C, & D Tel. Set - Connections
ESL-7804911954-08-172666.79 KBHandset Mountings - Friction Pad Location
ESL-7805241959-10-054306.12 KB307A, B, C, & D Tel. Set - Connections
ESL-7805251959-10-054300.90 KB307E, F, G, & H Tel. Set - Connections
ESO-7386421953-11-052157.55 KBHandset Mountings - Cording Diagram - 102A and 202A Hand Telephone Sets
ESO-7386431953-11-052154.57 KBHandset Mountings - Cording Diagram - Equipped A1 Handset Mounting, 202H Hand Telephone Set
ESO-7386441953-11-052162.75 KBHandset Mountings - Cording Diagram - 202H Hand Telephone Set, 104A and 204A Hand Telephone Sets
ESO-7386451953-11-052159.34 KBHandset Mountings - Cording Diagram - 104A and 204A Hand Telephone Sets - Equipped A3 Handset Mounting
ESO-7386461953-11-052160.10 KBHandset Mountings - Cording Diagram - 206A Hand Telephone Set, 207A Hand Telephone Set
ESO-7386471953-11-052163.69 KBHandset Mountings - Cording Diagram - 215A Hand Telephone Set, 102B, C, D, and 202B, C, D Hand Telephone Sets
ESO-7386481953-11-052168.39 KBHandset Mountings - Cording Diagram - B1A and 202B, C, D Hand Telephone Sets, 102E, F, G and 202E, F, G Hand Telephone Sets
ESO-7386491953-11-052162.64 KBHandset Mountings - Cording Diagram - 102E, F, G and 202E, F, G Hand Telephone Sets, 203A, B, C Hand Telephone Sets
ESO-7386501953-11-052175.17 KBHandset Mountings - Cording Diagram - 203A, B, C Hand Telephone Sets, 104B, C, D and 204B, C, D Hand Telephone Sets
ESO-7386511953-11-052169.34 KBHandset Mountings - Cording Diagram - B3A, 104B, C, D and 204B, C, D Hand Telephone Sets, 206B, C, D Hand Telephone Sets
ESO-7386521953-11-053170.07 KBHandset Mountings - Cording Diagram - 207B, C, D Hand Telephone Sets, 215B, C, D Hand Telephone Sets
ESO-7392111953-11-052166.54 KBHandset Mountings - Cording Diagram - B2A and 202A, B, C Hand Telephone Sets, 103A, B, C Hand Telephone Sets
ESO-7696031954-08-1252.27 MBHand Sets - Recovery Test Circuit
L-1951921369.35 KBPrinter Interface Timing [Transaction Type Printer]
L-7604011968-01-11173.86 KBTouch-Tone Dials - Contact Performance
L-7604371966-01-161489.96 KBBase Punchings for Mounting Touch-Tone Dial Bracket
L-7604831968-02-13127.55 KB35H3A, 35J3A Dials - Common Switch
L-7604831981-01-223525.69 KB35H3A, 35J3A Dials - Common Switch
L-7609511968-05-201370.23 KBMouting Holes for 659A Transmitter - 558F Telephone Set
L-7611771968-12-181174.74 KBTest Circuit for Modular Type Tel Sets
L-7611771970-03-242210.11 KBTest Circuit for Modular Type Tel Sets
L-7621931969-05-01130.05 KB317 Type Varistor Chipping
L-7628131970-03-18239.81 KBTest Circuit for Kit Plan Tel Set Bases
L-7633101973-03-08225.28 KBCommon Switch on P-90D220 Dial & Network Assembly
L-7636361972-01-10231.63 KBTest Circuit - Trimline Hand Telephone Sets - LC & RC Type Dials
L-7638051973-03-083382.80 KB35Y3A, 35Y3D and 35AD4A Dial - Common Switch
L-7638051975-07-186427.68 KB35Y3A, Y3D, AD4A, AH3D & AU3D Dial - Common Switch
L-7638051976-06-047453.70 KB35Y3A, Y3D, AD4A, AH3D & AW3D Dial - Common Switch
L-7638051977-12-058468.84 KB35Y3A, Y3D, AD4A, AH3D, AW3D & BB3D Dial - Common Switch
L-7648601972-04-14221.97 KB851 and 2851 Base Modification
L-766742121.05 KBLifted Land Areas 854A Net.
L-766743143.90 KBLifted Land Areas 861A Network
L-7672891973-02-221375.41 KB35AF3A and 35AF3D Dials - Common Switch
L-7672891974-06-173411.68 KB35AF3A, AF3D, and AJ3D Dials - Common Switch
L-7672891975-06-134419.37 KB35AF3A, AF3D, AM3D, and AJ3D Dials - Common Switch
L-7672891977-09-295446.43 KB35AF3A, AF3D, and AJ3D Dials - Common Switch
L-7672891979-09-076432.71 KB35AF3A, AF3D Dials - Common Switch
L-7687881974-07-15166.82 KBD120K and D200S Mounting Cord Modifications
L-7695311974-11-011446.45 KBTouch Tone Dial Test Circuit
L-7695321974-11-011445.65 KBOne Touch Simulation Circuit
L-7695331974-11-011486.69 KBNoise Test Circuit
L-7702971975-06-101560.29 KBNoise Test Circuit
L-7703191975-06-16126.20 KBSingle Freq. Test Ckt - Transmission Sidetone
L-7703201975-06-16122.54 KBSingle Freq. Test Ckt - Reception
L-7706801975-10-31131.47 KBLogic Test Circuit
L-7706811975-10-31127.26 KBData Input-Output Format
L-7706821975-10-31117.34 KBData Wave Forms
L-7719401979-01-022I66.30 KB2852 Type Set E/W P-22F627 Line Switch - Conn. Diag.
L-7724001977-09-21125.28 KBAC-Type Telephone Base Requirements (Kit Plan)
L-7724011977-09-21129.72 KBAD-Type Telephone Base Requirements (Kit Plan)
L-7724451982-05-12235.56 KBTest Circuits
L-7727561978-01-311911.08 KBCritical Area Designation - G Type Handset Handles and Caps - 220 & 2220 Trimline Shells - 220 Type Trimline Deck - 2220 Type Trimline Deck
L-7727571978-01-3121.98 MBCritical Area Designation - 500 & 560 Type Telephone Housings, 2500 & 2560 Type Telephone Housing, 554 Type Telephone Housing, 2554 Type Telephone Housing, 700 Type Princess Housing, 2700 Type Princess Housing, AD Type Trimline Base, AC Type Trimline Base, AC Type Trimline Security Base
L-7742961979-05-16125.05 KB842624009 Logic Board Changes
L-7748141980-01-111486.19 KB5001T01A and 5011T01A Telephone Set - Base Test Circuit
L-7749861979-11-06122.68 KBAmplifier and Speaker Test Circuit
L-7751641980-01-111400.25 KB5001T01A and 5011T01A Telephone Set - Test Circuit
L-7792731983-03-111589.59 KBWiring Diagram - 4228A or 4293G Networks
L-7794091983-03-111662.32 KBWiring Diagram - 425B or E Network
LA-1638281957-02-08311.33 MBBack Plate LP-248529 & LP-248530
LA-5402641955-11-173351.59 KB592 Type Telephone Sets - Wiring Diagrams
LA-5402651955-11-172301.91 KB592 Type Tel Sets - Cording Diagram
LA-5402871956-04-042214.81 KB211J, 211L & 211M Hand Tel. Set - Cording and Wiring Diagram
LA-5402881956-04-042242.90 KB212L & M Hand Tel. Set - Cording and Wiring Diagram
LA-5402931957-09-25469.30 KB656A Transmitter - Cording Diagram
LA-5679701956-02-211274.14 KB211 Type Hand Tel Set - Cording & Wiring Diagram
LA-5679701957-02-212286.67 KB211 Type Hand Tel Set - Cording & Wiring Diagram
LA-5790651957-09-1011.45 MB9 Type Apparatus Unit Assembly
LA-5790701959-03-142210.96 KB230 and 233 Type Coin Collectors - Wiring Diagram
LA-5790801960-07-1271.24 MBBackplate (LP-81A400)
LA-5791621959-12-2351.28 MB558CR & DR Type Telephone Sets - Cording, Wiring Diagram, Schematic & Circuit Label P-11E262
LA-7012971950-01-24101.07 MBJ1 Type Telephone Set Mounting - Wiring Diagram
LA-7013001952-02-1161023.80 KB410 Type Telephone Set - Wiring Diagram
LA-7013561952-02-1151002.47 KB410 Type Telephone Set - Wiring Diagram
LA-7013591952-02-1151.01 MB410 Type Telephone Set - Wiring Diagram
LA-751099161.47 MB320-, 520-, and 2520-Type Telephone Sets - Wiring Diagram
LA-7750931954-07-126450.81 KBCircuit Label (LP348041), Wiring Diagram and Method of Cording
LA-7762011958-04-03671.89 MB191, 193, 197 & 198 Type Coin Collector - Stock List
LA-8151141957-03-13491.74 MB191, 193 Type Coin Collectors - Assembly
LA-8300341957-09-10211.04 MB196, 197 & 198 Type Coin Collectors - Assembly
LP-10E6651816.50 KBBase Assembly
LP-3406981954-01-282580.89 KBMounting Bracket
P-104410445.49 KB[Unknown Wiring Diagram]
P-1044543135.50 KB315-A Telephone Set Diagram
P-10E9721960-09-099100.64 KBSwitch Assem.
P-11E2621.28 MB558DRW Tel. Set
P-11E399773.03 KB630BW & 631BW Type Telephone Set
P-11E90711.29 MB557BRW Tel Set
P-11E90811.21 MB559BRW Tel Set
P-1148861321.68 KB334-A Telephone Set Diagram
P-114989138.03 KB17-E Set Diagram
P-12E418673.95 KB634BW & 635AW Type Telephone Set
P-12E419669.82 KB632AW Type Telephone Set
P-12E5791960-06-24277.86 KBSwitch Assembly
P-13E1271961-08-09487.80 KBSwitch Assembly
P-13E4862990.25 KB525AW & BW Tel. Sets
P-13E9561962-03-15582.28 KBSwitch Assembly
P-1440101271.10 KB317-N, P, R, S Set Diagram
P-1446051269.22 KB385 A & B and 386 A, B & C Jack Boxes
P-144701291.92 KB50G Set Diagram
P-14E172159.55 KB701DW Type Set
P-15E3901967-03-013109.22 KBModification - Dial Housing (Also B-659992)
P-15E431272.51 KB661AW1 Type Telephone Set
P-15E837490.46 KB608BW Type Tel. Set
P-15E907147.94 KB630CW & 631CW Tel Sets
P-219534651.61 KB708-A Control Cabinet
P-244296174.48 KBNotice removing "W" designation from certain transmitters and receivers
P-2443135.46 MBInformation for the Care and Operation of No. 1317 Telephone Sets [Instruction Bulletin No. 301]
P-244529142.62 KB317-BU Set Diagram
P-244769144.76 KB501A Set Diagram
P-24E2331964-03-04694.48 KBSwitch Assembly
P-24E2731962-08-30383.10 KBSwitch Assembly
P-24E2731963-08-07595.46 KBSwitch Assembly
P-24E5061962-07-02165.16 KB636BW & 637CW Telephone Sets - Label, Wiring & Circuit
P-24E5061963-10-03374.66 KB636BW & 637CW Telephone Sets - Label, Wiring & Circuit
P-24E6991963-11-124733.67 KB8KW & 8PW Type Apparatus Unit - Label, Wiring & Circuit
P-24E7001963-11-123699.32 KB8JW & 8NW Type Apparatus Unit - Label, Wiring & Circuit
P-24E7011963-11-084667.20 KB8MW Type Apparatus Unit - Label, Wiring & Circuit
P-24E7021963-11-084651.09 KB8LW Type Apparatus Unit - Label, Wiring & Circuit
P-24E9961962-08-06148.21 KBSwitch Assembly - Stock List
P-25E0181962-08-17150.95 KB634CW & 635CW Type Telephone Set - Label, Wiring & Circuit
P-25E0521962-12-12272.38 KB638BW & 639CW Telephone Sets - Label, Wiring & Circuit
P-25E0521963-10-03479.64 KB638BW & 639CW Telephone Sets - Label, Wiring & Circuit
P-26E4441963-03-14175.96 KBSwitch Assembly
P-26E4451963-06-27245.68 KB630DW & 631DW Type Tel Sets - Label, Circuit & Connecting Diagram
P-26E4461963-06-27248.30 KB634DW & 635DW Type Tel Sets - Label, Circuit & Connecting Diagram
P-26E4471963-06-27346.93 KB632CW Type Tel Set - Label, Circuit & Connecting Diagram
P-26E4581963-08-13670.74 KB636CW & 637DW Type Telephone Set - Label, Circuit and Connecting Diagram
P-26E4601963-08-13566.33 KB638CW & 639DW Type Telephone Set - Label, Circuit and Connecting Diagram
P-28566011.16 MBSp. 653-BA Subscriber Set Per D-157315
P-28E4471968-05-272203.29 KB694A & 694B Subset Modification (Also B-991799)
P-90D0121968-05-272121.44 KBD-180191 Polarity Guard Modification (Also B-991798)
P-90D0541968-05-272141.78 KBD-180299 Polarity Guard Modification (Also B-991797)
P-90D1541968-05-272135.35 KB277A Amplifier Modification (Also B-991728)
SC-D-8995-A263.26 KBTelephone EE-8-B Wiring Diagram
T-31771-111978-07-31184.34 MBStep by Step Systems No. 1, 350A, or 355A - Intercepting Trunk Circuit From Trunk Finder or Intercepting Trunk to Trunk to Distant Office Arranged to Trip Ringing Only During Ringing Interval
T-31771-121978-07-31152.91 MBStep by Step Systems No. 1, 350-A or 355-A - Intercepting Trunk Circuit From Trunk Finder or Intercepting Trunk to Trunk to Distant Office Arranged to Trip Ringing Only During Ringing Interval
T-31771-131978-07-3191.44 MBStep by Step Systems No. 1, 350-A or 355-A - Intercepting Trunk Circuit From Trunk Finder or Connector Intercepting Trunk to Trunk to Distant Office - Without Trunk Switch - Without Intercepting Tone - Arranged to Trip Ringing Only During Ringing Interval
T-31771-141978-07-3173.60 MBStep by Step Systems No. 1, 350A or 355A - Intercepting Trunk Circuit From Trunk Finder or Intercepting Trunk to Trunk to Distant Office Arranged to Trip Ringing Only During Ringing Interval
T-31771-151978-08-10113.10 MBStep by Step Systems No. 1, 350A, 355A, 360A or 35-E-97 - Intercepting Trunk Circuit From Trunk Finder, Connector Bank or Intercepting Trunk to Operator Office Arranged to Trip Ringing Only During Ringing Interval
T-31771-161981-01-26113.46 MBStep by Step Systems No. 1, 350A, 355A, 360A, or 35-E-97 - Intercepting Trunk Circuit From Trunk Finder, Connector Bank, or Intercepting Trunk to Trunk to Operator Office Arranged to Trip Ringing Only During Ringing Interval
T-31771-171972-10-27102.29 MBStep by Step Systems No. 1, 350A, 355A, 360A or 35-E-97 - Intercepting Trunk Circuit From Trunk Finder, Connector Bank or Intercepting Trunk to Operator Office Arranged to Trip Ringing Only During Ringing Interval
T-31848-121954-11-0561.65 MBStep by Step Systems No. 1, 350A, 355A or 356A, Crossbar Systems No. 5 - Line Adapter Circuit - Multi Party - For Use with Grounded Lines or Low Insulation Metallic Lines - Pulse Correction and Relayed Ringing
T-3C292-301983-01-2634800.78 KBCommon Systems - Wiring Diagram and Interconneciton for 660 Communications Panel or 663 Communications Panel
T-3F008-111994-05-24131.53 MBSignaling and Packet Switching Systems - 3B Interface Circuit
T-3F009-111991-04-03121.65 MBSignaling and Packet Switching System - Link Node A Circuit
T-3F010-111989-05-17111.64 MBSignaling and Packet Switching System - Link Node Unit B Circuit
T-3F021-111989-11-169901.48 KBCommon Channel Signalling System - Common Network Interface - No. 5E Toll - Digital Facility Access Circuit
T-661421928-12-204146.78 KBSelector Connector Ckt - Wiring of Jack - 740A & C P.B.X.
T-80884-141501.25 KBPower Systems - Ringing Circuit - Generator and Interrupter Equipment - SXS #1, 355A & 360A Dial Offices [Illegible]
T-82447-301982-12-155331.27 KBPower Systems - Charge and Discharge Circuit - -48 Volts, 600 Amps - 100 Type Plants - 151C Power Plant
T-82588-301992-12-1133724.84 KBPower Systems - LINEAGE 2000 Controller for 24 or 48 Power Plants
T-82603-301992-12-11271.43 MBPower Systems - Charge and Discharge Circuit - 24 or 48 Volts, 6400 Amperes (Max) - LINEAGE 2000 MCS Power Plant
T-82604-301988-04-015338.42 KBPower System - Rectifier Circuit - Input: 208 Volts or 240 Volts 60 Hz - Output: 24 Volts or 48 Volts 25 Amperes
T-82604-311993-10-057298.23 KBPower System - Rectifier Circuit - Input: 208 Volts or 240 Volts 60 Hz - Output: 24 Volts or 48 Volts 50 Amperes
T-82605-301993-11-1011364.40 KBPower System - Rectifier Circuit - Input 208/240/480 Volt 60 Hz 3 Phase - 24 or 48 Volt, 100 Amp Output
T-82605-311993-08-0311420.09 KBPower Systems - Rectifier Circuit - 208/240/280 Volt, 60 Hz, 3 Phase Input - 24 or 48 Volt, 200 Ampere Output
T-82646-301989-11-245226.44 KBPower Systems - LINEAGE 2000 Small Plant XCS Controller for 24 Volt or 48 Volt Power Plants
T-82649-301991-12-2312641.63 KBPower Systems - LINEAGE 2000 Charge & Discharge Ckt - 24 or 48 Volt, 400 Amperes Maximum
T-82659-301992-06-028323.17 KBPower System - Rectifier Circuit - Input, 208 Volts or 240 Volts 60 Hz - Output, 24 Volts or 48 Volts 125 Amperes
T-83102-301991-04-0413414.46 KBPower Systems - Rectifier - 208/240 or 480 Volt 60 Hz Input - -40V, 100 Ampere Output
T-83104-301993-01-2115871.21 KBPower Systems - LINEAGE 2000 Charge & Discharge Ckt - 24 or 48 Volts, 400 Amperes Maximum
T-83191-301994-12-023379.25 KBPower Systems - Global Power Distribution System for ESS - J86334E-1
T-9C53-011989-01-1634196.55 KBFloor Plan - TD-2 Radio Relay Systems - Auxiliary Repeater Station - 2 Direction Building - American Tel & Tel Co. - Alexandria, Ohio
T-662007-321992-08-052166.25 KBAT&T COMPANEL 2000 Interconnection Circuit
T-7002211962-02-202409.40 KBUSAF Missile Test Center Submarine Cable System Mayaguana Control Building - Repeater Bay - Order Wire Bridge, Switching Relay and Tel Set Panel - Order Wire Bridge, Switching Relay and Tel Set Circuit
X-191301983-09-06790.05 KB3A2 Coin Telephone Set - Insulation Leakage Test