Division C50: Station Installation and Maintenance - Other Apparatus and Connections

Section Date Issue Size Title
C51.1011935-01-022676.40 KBSidetone Magneto Stations - Apparatus and Material
C51.1021935-01-022134.78 KBSidetone Magneto Stations - Installation
C51.1031935-01-022849.25 KBSidetone Magneto Stations - Connections
C51.1041935-01-022196.01 KBSidetone Magneto Stations - Maintenance
C52.1011933-11-0915.20 MBCoin Collectors - 50 and 150 Types - Description and Operation
C52.1021933-11-0918.64 MBCoin Collectors - 50 and 150 Types - Installation
C52.102 A1934-04-3012.13 MBCoin Collectors - 50 and 150 Types - Installation
C52.1031933-11-0912.15 MBCoin Collectors - 50 and 150 Types - Conversions
C52.1411933-05-2321.98 MB50 Type Coin Collectors - Sidetone - Connections
C52.1421933-01-2521.59 MB50 and 150 Type Coin Collectors - Anti-Sidetone - Connections
C52.1421935-05-0131.74 MB50 and 150 Type Coin Collectors - Anti-Sidetone - Connections
C52.1751934-03-30113.07 MBCoin Collectors - 50 and 150 Types - Tests and Adjustments
C52.2051936-01-2521.45 MBTelephone Booths - 1, 2, 5, 6 and 7 Types - Description and Supplies
C52.205 A1938-08-15158.37 KBTelephone Booths - 1, 2, 5, 6 and 7 Types - Description and Supplies
C52.2061936-01-2521.67 MBTelephone Booths - 1, 2, 5, 6 and 7 Types - Installation
C52.206 A1938-08-151142.11 KBTelephone Booths - 1, 2, 5, 6 and 7 Types - Installation
C52.2071936-01-252721.82 KBTelephone Booths - 1, 2, 5, 6 and 7 Types - Maintenance
C52.2511931-01-021278.94 KBTelephone Booths - Open Type - Supplies and Installation
C53.1011936-07-24146.87 KBOrder Turret No. 1 - Description
C53.1021936-07-24169.25 KBOrder Turret No. 1 - Supplies
C53.1031936-07-24168.21 KBOrder Turret No. 1 - Installation
C53.104NY1937-03-30A69.04 KBOrder Turret No. 1 - Tests and Adjustments
C53.1511955-08-016438.16 KB1A and 1A1 Key Telephone System - Description
C53.1521955-05-017192.16 KB1A and 1A1 Key Telephone System - Supplies
C53.1531953-07-014191.27 KB1A Key Telephone System - Installation
C53.1541954-11-0131.78 MBKey Telephone System 1A - Maintenance
C53.1561953-06-0112.79 MB1A1 Key Telephone System - Description
C53.1571953-06-011963.48 KB1A1 Key Telephone System - Supplies
C53.1581953-06-011240.87 KB1A1 Key Telephone System - Installation
C53.158 A1954-01-01114.08 KB1A1 Key Telephone System - Installation
C53.1591955-01-012I3.01 MB1A1 Key Telephone System - Maintenance
C53.159 A1957-08-0131.72 MB1A1 Key Telephone System - Maintenance
C53.2511937-07-022405.11 KB15A and 23A Key Equipments - Description
C53.2711954-01-014504.92 KBKey Equipment No. 100 - Description
C53.4161954-06-0112.21 MB102A Key Equipment - Description
C53.4271949-11-011829.29 KB111A Key Equipment - Supplies
C53.5071953-06-0132.86 MBKey Equipment and Station System Cabinets - Installation
C54.1011931-07-2914.11 MBAmplifier Equipment for Deaf Subscribers - Description
C54.1021931-07-291296.52 KBAmplifier Equipment for Deaf Subscribers - Apparatus and Use
C54.1031931-07-2913.25 MBAmplifier Equipment for Deaf Subscribers - Installation
C54.1041931-07-291463.10 KBAmplifier Equipment for Deaf Subscribers - Connections
C54.1051931-07-291714.73 KBAmplifier Equipment for Deaf Subscribers - Maintenance
C54.1151955-10-0112.22 MBKey Equipment 10A and 6030A Key
C54.2031956-12-013396.75 KB1A and 1B Code Calling Systems - Installation
C54.2041956-12-013195.30 KBCode Calling Systems - 1A and 1B - Tests and Adjustments
C54.912NY1949-03-31A220.97 KBCall Box Circuits - Bridged Leased Lines
C54.912NY A1949-12-08A575.98 KBCall Box Circuits - Bridged Leased Lines
C54.913NY1951-02-14A108.20 KBLeased Lines for Holmes Electric Protective Company
C55.1511933-08-0814.67 MBNo. 629A Subscriber Set for Explosive Atmospheres
C55.1531955-03-013805.29 KBKS-14476 Telephone Set for Hazardous Locations
C55.1621954-07-0113.06 MBTelephone Set - 595 Type (Distant Talking Set)
C55.162 A1955-02-0121.17 MBTelephone Set - 595 Type - Distant Talking Set
C55.162PT A1955-02-01A226.70 KBTelephone Set - 595 Type (Distant Talking Set)
C55.2511934-03-21110.13 MBOutdoor Sets - 300 and Similar Types
C55.6021952-09-0212.89 MBKS-14580 Telephone Answering Device (Peatrophone) - Description and Installation
C55.602PT A1954-04-01C206.63 KBKS-14580 Telephone Answering Device (Peatrophone) - Description and Installation
C55.602PT PM1954-04-15B160.71 KBCancellation Notice - Automatic Answerign and Recording Service
C55.6041952-11-101349.30 KBKS-14580 Telephone Answering Device (Peatrophone) - Station Connections
C55.604PT A1953-04-15B71.72 KBKS-14580 Telephone Answering Device (Peatrophone) - Station Connections
C55.6051953-01-151190.02 KBKS-14580 Telephone Answering Device (Peatrophone) - Maintenance
C55.6081956-12-012300.40 KB1A and 1AA Telephone Answering Sets - Installation
C55.6101956-12-012279.99 KB1A Telephone Answering Set - Station Connections
C55.610PT A1957-04-01C31.87 KB1A Telephone Answering Set - Station Connections
C55.6111953-05-012I4.28 MB1A Telephone Answering Set - Maintenance
C55.611 A1954-03-0111010.04 KB1A and 1AA Telephone Answering Sets - Maintenance
C55.614PT A1960-01-01B252.38 KB1B and 1BA Telephone Answering Sets - Installation and Connections
C55.6151956-06-0122.96 MB1B and 1BA Telephone Answering Sets - Maintenance and Supplies
C55.6161954-04-011408.17 KB2A Telephone Answering Set - Description
C55.6181954-06-0113.29 MB2A Telephone Answering Set - Maintenance and Supplies
C55.7011932-01-3015.80 MB1-A Voice Silencer
C55.7451953-06-012612.47 KBRecorder Connector - 50 Type - Description, Use and Installation
C55.747 A1954-04-011124.74 KBRecorder Connectors (50 Type) - Maintenance
C55.8021932-06-161597.07 KBRadio Frequency Suppression Apparatus - 61-A, B, C, D, E, F, G, H, and J Filters - Description and Use
C55.8031932-06-281890.51 KBRadio Frequency Suppression Apparatus - 61-B, C, D, E, F, G, H, and J Filters - Installation and Maintenance
C56.1021952-10-2712.04 MBCivil Air Raid Warning System (CARW) - Bell and Lights - Station Equipment - Description
C56.103PT A1953-04-01B261.09 KBCivil Air Raid Warning System (CARW) - Bell & Lights - Station Equipment - Installation
C56.1121957-04-0122.18 MBEmergency Reporting Telephone Set - 570 Type
C59.090PT1953-06-01B118.16 KBMonitoring Key Arranged for Monitoring on Three Lines