TECHNICAL REVIEW CONTENTS We have completed downloading copies of all the Technical Review publications from the MIT site.  They are currently in a ".jpg" format.  After downloading a ".pdf" file is created.  Each complete publication uses about 7MB of disk space and is too large to economically put on this web site.  The files are recorded on a CD.  For a copy of the CD send your check for $5 webmaster Harold Smith, 153 Mason Ave., Rochester, NY 14626-3327.  A copy will be made and sent to you as quickly as possible.  This is not a commercial "in stock" product.  You will need a copy of Adobe Acrobat Reader on your computer to view the CD.  Technical Review existed from July of 1947 until Autumn of 1969 when Volume 23 Number 5 was published. Here is the index of all volumes. Vol. 1 No. 1 July 1947 Telegrams by Radio Beam - Col. J. Z. Millar - Page 1 Electronics in Telegraphy - J. R. Hyneman - Page 9 Frequency Translators - F. R. Bramhall - Page 28 Vol. 1 No. 2 October 1947 Carrier Terminal Without Relays - F. H. Cusack and A. E. Michon - Page 46 Sunspots and Telegraphy - C. H. Cramer - Page 59 Telegraphy and Disturbances - T. F. Cofer - Page 56 Vol. 2 No. 1 January 1948 The Development of Western Union Switching Systems - R. F. Blanchard and W.B. Blanton - Page 2 Some Modern Techniques in Ocean Cable Telegraphy - C. H. Cramer - Page 17 Application of Western Union Multiples to Navy Radio - Ray Hoover - Page 29 Frequency Translation in Wide Band Transmission Systems - F. H. Cusack - Page 36 Vol 2. No. 2 April 1948 The Development of the Concentrated-Arc Lamp - W. D. Buckingham - Page 47 A 150 KC Carrier System for Radio Relay applications - J. E. Boughtwood - Page 57 A Tunable Rejection Filter - R. C. Taylor - Page 66 The Development of Western Union Switching Systems - R. F. Blanchard and W. B. Blanton - Page 75 Vol. 2. No. 3 July 1948 Western Union Teletape Facsimile - Leon G. Pollard - Page 93 Western Union's Microwave Relay System - H. P. Corwith and W. B. Sullinger - Page 99 The Western Union Varioplex Telegraph System - O. E. Pierson - Page 110 Push-Button Switching - W. B. Blanton and F. L. Currie - Page 119 A Telegraph Signal Analyzer - G. L. Erickson - Page 129 Vol. 2. No. 4 October 1948 A Modern Reperforator Switching System for Patron Telegraph Service - R. F. Dirkes - Page 138 The Automatic Time and Date Transmitter - W. S. W. Edgar, Jr. - Page 150 Pulse Modulation: "The Dotted Line System" - F. B. Bramhall - Page 155 The Concentrated-Arc Boresighter for Fighter Planes - L. G. Pollard - Page 162 Filters for a 150 Kilocycle Carrier System - R. C. Taylor - Page 166 The Transistor - Page 175 Vol. 3 No. 1 January 1949 Facsimile and Its Place in Telegraphy - P. J. Howe - Page 1 Electrosensitive Recording Paper for Facsimile Telegraph Apparatus and Graphic Chart Instruments - Gosvenor Hotchkiss - Page 6 A Facsimile Transceiver for Pickup and Deliver of Telegrams - G. H. Ridings - Page 17 Microwave Lenses - A. Boggs - Page 27 Thyratrons in Loaded Cable Multiples - H. H. Haglund and A. W. Breyfogel - Page 34 The Xerographic Process - F. B. Bramhall - Page 43 Vol 3. No. 2 April 1949 The Birth of the Vacuum Tube - F. E. d'Humy - Page 46 Switching to Patrons' Teleprinter Tie-Lines - R. S. Wishart and G. G. Light - Page 51 Tape-To-Page Translator - A. E. Frost - Page 61 Pulse Modulation Systems for Telegraphy - J. R. Hyneman - Page 69 Rubber Insulators for Pole Lines - H. H. Wheeler and W. F. Marlley - Page 77 Smoke Detection for Western Union Switching Centers - F. C. Evans - Page 83 Vol. 3 No. 3 July 1949 The Development of Western Union Switching Systems - W. B. Blanton and G. G. Light - Page 89 A Test Set for Rotary Switch Shelves - W. H. Klippel - Page 101 A Microwave System for Television Relaying - J. Z. Millar and W. B. Sullinger - Page 106 Bid and Offer Deleting Ticker - P. L. Myer - Page 117 Night Fighter Training - G. A. Randall - Page 120 Vol. 3 No. 4 October 1949 Power Supplies for Microwave Relay Stations - H. M. Ward - Page 133 A Precision Voltage Stabilizer for Direct Current Power Supply - A. A. Steinmetz - Page 143 Properties of Amplitude and Frequency Modulated Waves - J. E. Boughtwood - Page 149 The Development of Western Union Switching Systems - W. B. Blanton and G. G. Light - Page 154 Appratus for the Modern Reperforator Office - W. H. Fisher - Page 162 Magnetic Clutches Applied to Automatic Communication Machines - E. W. Hetitt - Page 167 Index - Page 171 Vol. 4 No. 1 January 1950 Western Union 50-Line Desk-Fax Concentrator - A. W. Breyfogel - Page 1 A Vertical Drum Telefax Transmitter - J. H. Hackenberg - Page 10 Three-Stylus facsimile Recorder for Concentrator Service - F. G. Hallden - Page 16 Western Union Electronics Research Laboratories - Page 20 Electronic Aids to Ocean Cable Maintenance - C. S. Lawton - Page 22 Receiving from Patrons' Teleprinter Tie-Lines -- Plan 6-A Concentrators - J. M. Howell - Page 30 Patron Switching Systems - Page 37 The Development of Western Union Switching Systems - W. G. Blanton and G. G. Light - Page 38 Vol. 4 No. 2 April 1950 A Microwave Propagation Test - J. Z. Millar and L. A. Bram, Jr. - Page 49 A Two-Channel Carrier Telegraph System for Short Submarine Cables - E. L. Newell and C. H. Cramer - Page 61 The Development of Western Union Switching Systems - M. D. Adams - Page 69 Magnetic Materials - A. Boggs - Page 79 A Microwave Television Relay for Navy Training Programs - Harry Cook - Page 87 Vol. 4 No. 3 July 1950 Electronic Timers in Telegraph Switching Systems - E. A. Demonet and L. C. Bower - Page 93 The Phototransistor - Page 102 Paper Research Aids the Telegraph - W. N. Engler - Page 103 Tools of Switching - Page 110 The Development of Western Union Switching Systems - M. R. Harris and R. L. Samson - Page 112 Ocean Cable Stations -- Bay Roberts - Page 122 Three-Stylus facsimile Recorders for Terminal Handling - L. G. Pollard - Page 124 The Western Union "Telcoarc" - W. D. Buckingham - Page 129 Vol. 4 No. 4 October 1950 The Suppression of Radio Interference from Telegraph Equipment - E. L. Newell, T. F. Cofer and F. H. Cusack - Page 137 Factors Affecting Location and Height of Radio Relay Towers - J. J. Lenehan - Page 143 Inks for Record Communications - B. L. Kline - Page 149 The Insidious Decibel - A. Boggs - Page 158 Multi-Send Center for Commercial News Distribution - F. L. Currie and J. K. Nelson - Page 160 The Development of Western Union Switching Systems - W. B. Blanton and G. G. Light - Page 168 Vol. 5 No. 1 January 1951 Submerged Repeater for Ocean Cables - F. B. Bramhall - Page 2 Operations engineering in the Development of Reperforator Switching Systems - Dan F. Hazen - Page 4 A Motor Alternator for Microwave Radio Relay Stations - Page 14 An Experimental Horn-Reflector Antenna - Page 15 The Role of Patents in Western Union's Technical Developments - M. J. Reynolds - Page 17 Testing and Regulating -- Overseas - I. S. Coggeshall - Page 23 Contact Materials in Telegraph Apparatus - E. B. Gebert and T. F. Cofer - Page 32 Telecommunications Literature - Page 40 Vol. 5 No. 2 April 1951 Progress in Radio-Facsimile for Telegram Delivery - C. Jelinek, Jr. and K. R. Jones - Page 41 Dial Switching Monitor for Teleprinter Circuits - F. L. Currie and A. F. Connery - Page 51 High Speed Fax - Page 58 A Nation-Wide FM Telegraph Network - F. B. Bramhall and L. A. Smith - Page 59 C. S. "Lord Kelvin" Lays Telephone Cable - Page 68 Public Address System Used in Western Union Reperforator Switching Centers - R. W. Good - Page 69 A Monitor for the Radio Relay System - R. E. Greenquist - Page 76 Teleommunications Literature - Page 80 Vol. 5 No. 3 July 1951 Submerged Repeaters for Long Submarine Telegraph Cables - C. H. Cramer - Page 81 Central Office Engineering of Modern Telegraph Offices - Page 92 A Teleprinter Signal Bias Meter - H. F. Wilder - Page 102 Traffic Routing - M. L. Mosley - Page 107 A Standard Frequency Generator for Carrier Telegraph Offices - T. F. Cofer and R. C. Taylor - Page 115 Telecommunications Literature - Page 120 Vol. 5 No. 4 October 1951 Electronic Regeneration of Teleprinter Signals - H. F. Wilder - Page 121 Switching to Canada at Gateway Cities - G. G. Light - Page 131 Foot-Operated Printer - R. Steeneck - Page 138 Maintenance of a Radio Relay System - G. B. Woodman - Page 141 Inventory System Using Digital Computer Techniques - E. L. Schmidt and J. J. Connolly - Page 154 Vacuum Tube Reliability - F. H. Cusack - Page 154 Telecommunicationa Literature - Pge 160 Index - Page 161 Vol. 6 No. 1 January 1952 A Short-Haul Radio Communications Link Channelized by Time Division - E. M. Mortenson and C. B. Young - Page 2 A New Facsimile Pickup and Delivery Concentrator - G. H. Ridings - Page 12 Automatic Trunk Selection in Reperforator Switching - W. B. Blanton - Page 13 Submerged Repeaters -- 1951 - C. H. Cramer - Page 27 An Improved Polar Telegraph Relay - W. D. Cannon and T. Rystedt - Page 29 Telecommunications Literature - Page 36 Vol. 6 No. 2 April 1952 A High-Speed Direct-Scanning Facsimile System - C. R. Delbert, F. T. Turner and R. H. Snider - Page 37 A High-Speed Telefax Recorder - D. M. Zabriskie - Page 48 A High-Speed Facsimile Transmitter - L. G. Pollard - Page 56 The Chattanooga Works - E. J. Trent - Page 61 Frequency Standard for Microwave Relay Systems - L. W. Franklin - Page 71 The Radio Spectrum -- with Boost for the Low End - I. S. Coggenshall - Page 77 Toroid Coils for Miniaturization - Clara U. Watts and F. L. Depperman - Page 82 Telecommunications Literature - Page 84 Vol. 6 No. 3 July 1952 Design of Cylindrical Resonators as High "Q" Wavemeters - H. E. Stinehelfer, Sr. - Page 85 An Improved Desk-Fax Transceiver - G. H. Ridings and R. J. Wise - Page 92 Wave Filter Characteristics by a Direct Method - R. C. Taylor and C. U. Watts - Page 102 A Radio Relay System Employing a 4000-Mc 3-Cavity Klystron - J. J. Lenehan - Page 111 Telegraph Switching for Remote Branch Offices - R. L. Parcels and F. A. Luck - Page 117 Hydrogen Ion Concentration - B. L. Kline - Page 122 Telecommunications Literature - Page 124 Vol. 6 No. 4 October 1952 The Civil Aeronautics Administrations's Service "C" Leased Wire Weather Network - F. A. Walker - Page 125 Application of the Theory of Probability to Western Union Switching Systems - G. Strunz and R. E. Hubley - Page 133 Switching Facilties for Multiple Address Telegrams - R. L. Parcels and F. A. Luck - Page 139 Thirty-Line Concentrator for Private Facsimile Systems - H. H. Haglund - Page 143 Weather and Communications - T. F. Cofer - Page 145 Electrolytic Capacitors in ADT Protective Signaling service - Werner G. Holzbock - Page 151 Telecommunications Literature - Page 159 Vol. 7 No. 1 January 1953 Building America by Telegraph - H. P. Corwith - Page 2 The Transmission of Intelligent in typescript, Part I - I. S. Coggeshall - Page 6 A Switching System for Dispatcher Test Wires - P. R. Easterlin - Page 13 Page-Size Facsimile Transmitter - J. H. Hackenbeert - Page 21 Mobile Emergency Power - I. T. Bartlett, Jr., and H. M. Ward - Page 23 Telegraph History - Page 32 Inspection of Telegraph Material - B. Pomerantz - Page 33 Concentrated-Arc Lamp for Infrared Spectroscopy - W. D. Buckingham - Page 38 Patents Recently Issued to Western Union - Page 39 Telecommunications Literature - Page 40 Vol. 7 No. 2 April 1953 Wire and Cable in the Telegraph Industry, Part I - W. F. Markley - Page 41 Perforated Tape Creasing Devices - F. J. Haupt - Page 51 The Transmission of Intelligence in Typescript, Part II - I. S. Coggeshall - Page 56 A Stabilized Power Supply for Use with Submerged Ocean Cable Repeaters - A. Atherton - Page 63 Modern Telegraph Repeaters - R. V. Morgenstern - Page 71 Telecommunications Literature - Page 79 Patents Recently Issued to Western Union - Page 80 Vol. 7 No. 3 July 1953 The Plastics Story As It Applies to Wire and Cable Insulation - W. E. Burke - Page 81 Tickets by Telefax - A. S. Hill - Page 96 Notes on Microwave Propagation - J. Z. Millar and L. A. Byam, Jr. - Page 98 Ocean Cable Crossroads -- Horta, Azores Islands - H. H. Haglund - Page 106 Telegraph History - Page 111 Wire and Cable in the Telegraph Industry, Part II - W. F. Markley - Page 112 Patents Recently Issued to Western Union - Page 120 Vol. 7 No. 4 October 1953 A Nonarmored Submarine Telegraph Cable - C. S. Lawton and L. H. Hutchins, Jr. - Page 121 An Experimental Microwave Lens - Page 129 Wood Preservation - H. A. Haenseler - Page 130 Testing 2K56 Klystron Tubes - A. W. Dickey - Page 137 Laboratory Equipment - Page 144 Wire and Cable in the Telegraph Industry, Part III - W. F. Markley - Page 145 Operation of Telegraph Press Centers - J. C. Grant - Page 152 Patents Recently Issued to Western Union - Page 156 Telecommunications Literature - Page 157 Index - Page 158 Vol. 8 No. 1 January 1954 Centralized and Simplified Circuit Handling Using Polar Leg Operation - E. F. Jaeger - Page 2 Improved Equipment for Handling Book Messages - A. F. Clarke - Page 13 "A Lady of Quality" - Edward O'Donoghue - Page 16 A Simplified Telefax Concentrator - Seymour Levine - Page 18 Communications Synchronizing Systems - F. T. Turner - Page 22 A Bulletin Recorder for Weather Maps - G. H. Ridings - Page 26 Pole Yard Operations at Chattanooga - E. J. Trent - Page 28 Patents Recently Issued to Western Union - Page 36 Vol. 8 No. 2 April 1954 Passive Reflector -- Antenna Systems - R. E. Greenquist and A. J. Orlando - Page 37 Intercity Facsimile Trunks - F. B. Bramhall - Page 57 Design of a Commercial Facsimile System - T. F. Cofer - Page 61 A Small Office Teleprinter Concentrator -- Plan 8 - R. V. Morgenstern and H. Buchwald - Page 72 Laboratory Equipment - Page 80 Vol. 8 No. 3 July 1954 A Comparison of Make-Break and Polar Operations - D. P. Shafer - Page 81 Ship Reporting by Radio-Telefax - H. P. Gilbert - Page 90 A Microwave System for Telegraph Service - J. J. Lenehan - Page 95 A Letter-Size facsimile Transceiver - G. H. Ridings - Page 103 Design of a Commercial Facsimile System (continued) - T. F. Cofer - Page 105 Patents Recently Issued to Western Union - Page 115 Vol. 8 No. 4 October 1954 The Impact of Submerged Repeaters on Global Telegraphy - C. S. Lawton - Page 117 Teleprinter Codes: 7-Unit Versus 7.42-Unit, F. W. Smith - Page 129 A New Automatic Message Numbering Machine - J. E. Stebner - Page 135 General Electric's Telegraph Switching System After Five Years - V. L. Hughes - Page 137 Standardized Graphical Symbols - L. A. Smith - Page 142 Facsimile Systems - A. S. Hill - Page 144 Expansion of Automatic Switching in Western Union's Nationwide Reperforator Network - G. G. Light - Page 153 Telecommunications Literature - Page 160 Vol. 9 No. 1 January 1955 Telegraph Terminal AN/FGC-29 Circuit Design Aspects - J. E. Boughtwood - Page 2 Telegraph Terminal AN/FGC-29 Equipment Features - F. H. Cusack - Page 10 Plan 6 Receiving Teleprinter Concentrator in the Los Angeles Office - R. D. Swanson - Page 15 Planning Overseas Telecommunication for World Trade - I. S. Coggeshall - Page 22 Engineering of Pole Lines - H. H. Wheeler - Page 24 Fourier Series Analysis of Local Circuit Telegraph Waves - Robert F. Coughlin - Page 33 Air-Conditioning a Western Union Patron's Communication Center - Francis Griffith - Page 39 Patents Recently Issued to Western Union - Page 43 Telecommunications Literature - Page 44 Vol. 9 No. 2 April 1955 A Portable Telegraph Bias and Distortion Measuring Instrument - W. Dale Cannon - Page 45 A Simplified Telegraph Switching System Plan 111-A - T. S. PPessagno - Page 55 Dry Cell Testing - A. Atherton and N. D. Hovagimyan - Page 62 A Transistorized Radioteletype Converter - Oscar E. Pierson - Page 64 Design features of a Radio-Beam Fault-Locting System - H. C. Likel and T. M. Grybowski - Page 70 Modern High-Speed Teleprinters - Fred W. Smith - Page 77 Radioactivity Detection - R. Steeneck - Page 83 Vol. 9 No. 3 July 1955 The Ticketfax System - Archie S. Hill - Page 85 Ticketfax Transmitters and Recorders - Douglas M. Zabriskie - Page 93 Ticketfax Electronics - Charles Jelinek, Jr. - Page 105 Modern High-Speed Page Teleprinters, Part II - Fred W. Smith - Page 110 Power Failure Protection - L. T. Bartlett, Jr. - Page 120 Vol. 9 No. 4 October 1955 Soldered Connections in Electrical Circuits - A. Z. Mample - Page 125 Maintaining Carrier Translating Frequency Stability - H. F. Krantz, II - Page 137 Telegraph research Laboratories, New York - Page 142 Concentrated Sending Position for Switching to Page-Printer Tie Lines - Claude W. Johnson - Page 143 Fundamentals of Patents - Edward R. Hyde - Page 148 Path-Length Microwave Lenses - C. B. Young, Jr. - Page 157 Telecommunications Literature - Page 163 Patents Recently Issued to Western Union - Page 165 Index - Page 166 Vol. 10 No. 1 January 1956 An Envelope Delay Measuring Instrument in the Audio-Frequency Range - W. Dale Cannon - Page 2 Electrical Data from Cable May Aid Hurricane Prediction - Henry M. Stommel - Page 15 Experimental Microwave Antenna - Page 19 Transistor Type Transmitter-Distributor - Howard C. Isaacs - Page 20 Transmission Test Set - Page 27 Western Union and the Railroads - Clell M. Brentlinger - Page 28 Keyboard Standardization - Robert W. Harris - Page 37 Patents Recently Issued to Western Union - Page 44 Vol. 10 No. 2 April 1956 Manufacture of Western Union Type 202 Polar Relay - T. Frank Cassidy, Jr. - Page 45 More Telegraph Automation for U.A.L. - Page 51 Corrosion, a Versatile Vandal - Bernard L. Kline - Page 52 Delay Distortion Correction - W. Dale Cannon - Page 58 1856 "Western Union" Centennial 1956 - Page 70 Small Terminal Office Reperforation - Ronald S. Wishart, George Strunz, Jr. - Page 71 Function Mechanisms of the Model 28 Teleprinter - E. Louis Parkington - Page 77 Telecommunications Literature - Page 87 Patents Recently Issued to Western Union - Page 88 Vol. 10 No. 3 July 1956 Transmission of Business Machine Data Over Standard Telegraph Channels - F. B. Bramhall - Page 89 Telegraph Applications of Integrated Data Processing - Robert F. Dirkes - Page 96 Control System for Integrated Data Processing - Philip R. Easterlin - Page 102 Magnetic Tape Signal Transmitter for Ocean Cables - Edward T. Finnegan - Page 112 A Flat-Bed Facsimile Telegraph Transmitter - William D. Buckingham - Page 118 Power for Ocean Cable Amplifiers - H. F. Krantz, II - Page 123 Automatic Local Sending from Telephone Recording Positions - F. Leslie Currie - Page 129 Patents Recently Issued to Western Union - Page 135 Vol. 10 No. 4 October 1956 Design Trends and Concepts as Applied to Private Wire Telegraph Engineering - Warren H. Fisher - Page 137 Computers, Analog and Digital - Albert Boggs - Page 150 Operation of Electronic Brain Computers With Telegraph Circuits - J. H. Toop - Page 156 Private Wire Switching System Plan 54 - George O. Vincent - Page 167 Telefax Test Chart D&R 111655 - Page 174 Submerged Telegraph Repeaters Come of Age - Clifford H. Cramer - Page 176 Vol. 11 No. 1 January 1957 Blank-Character Translation on Submarine Cables - Harold F. Wilder - Page 2 Teleprinter Signal Normalizer - Robert Steeneck - Page 10 Self-Checking Codes for Data Transmission - George O. Vincent - Page 15 A New Copying Typewritr Ribbon, Nonsmudging - Bernard L. Kline, Bernard E. Ling - Page 22 A High-Speed Fully Automatic Teleprinter Switching System for Brokerage Firms - Charles J. Holloman - Page 27 Soldering Fluxes and Flux Principles - A. Z. Mample - Page 35 Patents Recently Issued to Western Union - Page 43 Vol. 11 No. 2 April 1957 Improvements in Western Union's First Microwave Telegraph System - T. M. Grybowski - Page 45 Radio Relay Carrier Improvements - Ralph R. Gose - Page 53 Simplified Design of Small Extension Springs - P. F. Recca, Fred W. Smith - Page 60 A Review of Proposed Carrier Systems For Data Transmission - F. B. Bramhall - Page 72 Auxiliary Facsimile Developments - Archie S. Hill - Page 81 Vol. 11 No. 3 July 1957 Fault Localisation in Submarine Telegraph Cables - R. A. Goodman and D. A. Pawson - Page 86 Cable Gear for the Schooner "Western Union" - Page 98 Visualizing Transistor Principles - Oscar E. Pierson - Page 100 Miniaturized Teleprinter Demonstrated - Page 112 Loading Coils for Ocean Cables - E. L. Newell - Page 113 Keying Loss in Telegraphy - F. B. Bramhall - Page 121 A Combination Multiples-Teleprinter Way-Station Circuit - H. F. Krantz, II - Page 123 Patents Recently Issued to Western Union - Page 128 Vol. 11 No. 4 October 1957 Transistor Characteristics and Circuits - Harry C. Likel - Page 129 Transmission Speeds and Pulse Lengths of Commonly Used Five-Unit Stop-Start Printing Telegraph Codes - Page 139 Some Aspects of Telegraphic Data Preparation and Transmission - William G. Blanton - Page 142 Atmospheres in Which We Live -- Safe or Dangerous? -- A. Z. Mample - Page 152 Improved Vacuum Tube Reliability Through Maintenance - G. B. Woodman - Page 164 Vol. 12 No. 1 January 1958 Switching System 35 for Larger Tributary Offices - R. V. Morganstern and Herbert Buchwald - Page 2 An Electronic Multiplex to Teleprinter Signal Translator - Guy Fontaine - Page 7 Two Medalists Given 1957 d'Humy Award - Page 12 Letterfax Equipments for Service Flexibility - Archie S. Hill - Page 14 Telex in Canada - C. J. Colombo - Page 21 Leg Patching in Polar Centralized Circuit Handling Offices - W. Lee Elkins - Page 28 Patents Recently Issued to Western Union - Page 35 Vol. 12 No. 2 April 1958 Automatic Telegraph Switching System Plan 55-A - Gilbert S. Vernam - Page 37 Data Transmission Testing Set - J. Edwin Boughtwood and Thomas A. Christie, Jr. - Page 51 Cablegrans by Desk-Fax at London, England - Page 58 Cablegrams by Desk-Fax at Havana, Cuba - Page 59 Telefax Instrument for Industrial Charts - Page 60 The "MITE" Teleprinter - Bernard Howard - Page 61 An Improved Six-Channel Time Division Multiples for Submarine Cable Telegraphy - Harold F. Wilder - Page 69 Patents Recently Issued to Western Union - Page 80 Vol. 12 No. 3 July 1958 Atlantic Telegraph Cable Centennial - H. H. Haglund - Page 81 Some Recent Western Union Developments in Printing Telegraph Apparatus - Fred W. Smith - Page 103 Cablegrams, Telegrams by Desk-Fax in Canada - Page 112 Ferrite Cores for Communications Coils - Roland C. Taylor - Page 113 Lashing Tools for Aerial Cable - Roland C. Taylor - Page 119 Patents Recently Issued to Western Union - Page 128 Vol. 12 No. 4 October 1958 A Nationwide System for Office Automation and Timely Reports for Management - Warren F. Gregory and Wilfred J. Walsh - Page 129 W. Dail Cannon Receives 1958 d'Humy Award - Page 141 Background for Plan 37 Switching - Ronald S. Wishart - Page 142 Switching Telegrams from Tie Lines to Trunks Plan 37 - F. Leslie Currie and Alan E. Hildreth, Jr. - Page 145 Character Generation in Telegraph Systems - Frank T. Turner - Page 156 Switching System 33 Serving Branch Offices and Tie Lines - Frank J. Calderone - Page 161 Upon the Retirement of H. H. Haglund - Page 167 Private Wire Services in Data Processing by Western Union - George O. Vincent - Page 168 Patents Recently Issued to Western Union - Page 176 Vol. 13 No. 1 January 1959 Telefax Transmitter with Involute Scanner - John F. Gross and Alvin Portnoy - Page 2 Flying Spot Flat-Bed Facsimile Transmitter with Automatic Message Loading - Robert H. Snider - Page 9 Derivation of a Cam Contour for Minimum Stress as Applied to Flying Spot Scanner - Frank T. Turner - Page 14 Pulse-Echo Tests on Multicore Submarine Telegraph Cables - D. A. Pawson - Page 17 Telegraph History - Morse Method Gives Way to Multiplex - Page 29 Modernized Quarters for a Comprehensive Branch Office - Alder F. Connery - Page 30 Semiconductor Current Regulation - Matthew E. A. Hermans - Page 35 Patents Recently Issued to Western Union - Page 44 Vol. 13 No. 2 April 1959 Telex in New York - Philip R. Easterlin - Page 45 More About Nonarmored Submarine Cable - C. S. Lawton - Page 57 The Western Union MLD-4 Microwave Relay System - James J. Lenehan - Page 61 A Transistorized 20-Channel Carrier Terminal - T. M. Grybowski and W. G. Vieth - Page 71 Telefax Developments - J. H. Hackenberg - Page 80 F. Beaumont Bramhall - Page 83 Patents Recently Issued to Western Union - Page 84 Vol. 13 No. 3 July 1959 Electrical Intelligence and Power -- A Trusteeship - An Address by Walter P. Marshall, President, The Western Union Telegraph Company, May 13, 1959 - Page 85 Application of Telegraph Tecniques in Data Transmission - Albert Boggs and J. Edwin Boughtwood - Page 90 The Maser, A Low-Noise Microwave Amplifier - Harry C. Likel - Page 99 Production Scheduling at the Chattanooga Works - L. A. Smith - Page 101 Bias and Distortion Test Set 7399-A - P. F. Recca - Page 107 Neutralization of Static Electricity -- I - by Alder F. Connery - Page 116 Telegraphy's Next 25 Years - I. S. Coggeshall - Page 123 Patents Recently Issued to Western Union - Page 132 Vol. 13 No. 4 October 1959 A Self-Regulating Multiplex - Harold F. Wilder - Page 133 Some Views on Multiplex Operation in Western Union - Ronald S. Wishart - Page 139 Maintenance of USAF Plan 55 Switching Systems - C. H. Dalrymple - Page 147 Harold F. Wilder is 1050 d'Humy Medalist - Page 151 Vestigial Sideband Transmission as Proposed for Intercity Facsimile Signals - Edgar S. Grimes - Page 152 Maintenance and Operations Training Center, Chattanooga, Tennessee - G. E. Hoffstetter - Page 159 Application of Commercial Voiceband Equipment to Microwave Telegraph Service - Ralph R. Gose - Page 163 Index - Page 178 Vol. 14 No. 1 January 1960 Detection of Transmission Errors in 5-Level Punched Tape - Robert Steeneck and Harold F. Caley - Page 2 Eddy Curent Speed Control for Facsimile Telegraph Apparatus - Harry F. Burroughs - Page 9 Technical Associates of Western Union -- I, Dynametrics Corporation - Page 14 Western Union's Blueprint for Communications Progress - Ray Hoover - Page 15 Precision Joints for Circular Waveguide - Elmer E. Bedell - Page 17 Neutralization of Static Electricity -- II - Alder F. Connery - Page 19 A Communication Power Supply Utilizing Transistors - William Corkutt - Page 24 A Message Accululator for Letterfax Recorders - Douglas M. Zabriskie and William F. Moore - Page 31 The Process of Silk-Screen Marking - Norman R. Lane - Page 34 Patents Recently Issued to Western Union - Page 38 Vol. 14 No. 2 April 1960 Facsimille Telegraph Network for Weather Maps - Earl D. Anderson - Page 41 New York Repair Shop - M. G. Muscarl - Page 52 Telegraph Measuring Instruments and Test Sets - John B. Hyneman - Page 55 Error Checking Possibilities Concealed Within the 5-Unit Code - Robert Steeneck - Page 69 Telegraph Switching for the USAF Combat Logistics Network - Julian Z. Millar - Page 72 Western Union and the Pony Express 1860 -- 1960 - Page 79 Direct Camming Tape Transmitter - Frank J. Haupt - Page 81 Vol. 14 No. 3 July 1960 Engineering of Microwave Systems - William H. Francis - Page 85 Switching System Equipment Testing -- Plan 55 - Richard L. Emerson - Page 98 Technical Associates of Western Union -- II, Hermes Electronics Co. - Page 103 Layout and Adjustment of a Nationwide Facsimile Network for Weathermap Service - W. Dail Cannon and T. Fred Cofer - Page 104 A Patent Refresher - Robert H. Henderson - Page 119 Shunt Monitor Applique - Howard C. Isaacs - Page 124 Patents Recently Issued to Western Union - Page 127 Vol. 14 No. 4 October 1960 Telex in Private Wire Systems - Philip R. Easterlin - Page 129 Garvice H. Ridings in 1960 d'Humy Medalist - Page 135 Magnetic Drum Recording - William Corkutt - Page 136 Autofax and Desk-Fax Agency Offices - W. J. Tucker - Page 144 Instrument Wire Design to Reduce Service Outages - William F. Markley - Page 146 Technical Associates of Western Union -- III, Microwave Associates, Inc. - Page 161 European Teleprinter Developments - Fred W. Smith - Page 162 Four-Digit Numbering Machine - P. L. Myer - Page 176 Vol. 15 No. 1 January 1961 Engineering of Microwave Systems -- Appendix - William H. Francis - Page 2 London Equipment and Repair Shops - Edward G. Robinson - Page 17 Technical Associates of Western Union -- IV, Technical Operations, Incorporated (Tech/Ops) - Page 20 Dispatching - David P. Shafer - Page 21 Mitigation of Power Disturbance on a Loaded Submarine Cable - Raffaele Ascione - Page 35 Neutralization of Static Electricity -- III - Alder F. Connery - Page 40 Telecommunications Literature - Page 43 Patents Recently Issued to Western Union - Page 44 Vol. 15 No. 2 April 1961 Punched Card Transmission on Telegraph Switching Systems - Robert Steeneck - Page 45 Switching Telegrams to Local Lines -- Plan 38 - Roy K. Lewis, Jr. - Page 49 Technical Associates of Western Union -- V, TelePrompTer Corporation - Page 56 Facsimile Test Chart Used on United States Air force Weathermap Network - Albert R. Albro - Page 57 A Proposed New Teleprinter Code for Error Detection - Fred W. Smith - Page 60 Modification of A Facsimile Weathermap Recorder Test Set - S. A. Romano and M. Bartolotta - Page 68 Tape Motor Control for Trans-Lux Projectors in Series - Percy L. Myer - Page 71 Telegraph History -- Some Early Days of Western Union's Stock Ticker Service - Charles R. Tilghman - Page 75 Patents Recently Issued to Western Union - Page 80 Vol. 15 No. 3 July 1961 The Air Force Communications Service - Page 81 Plan 59 Automatic Message Switching System - Daniel T. Brosnan - Page 83 Technical Associates of Western Union -- IV, The Gray Manufacturing Company - Page 104 Surge Protection for Semiconductor Equipment - E. L. Newell - Page 105 Rectifiers as Dividend Sources - Harley M. Ward - Page 112 Vol. 15 No. 4 October 1961 Plan 115 Switching Systems - H. Jorgensen - Page 125 Application of "Gilmer-Type" Belts to Weatherfax Recorders - Douglas M. Zabriskie - Page 133 Fishing versus Cables - C. S. Lawton - Page 139 A Tape Rewinder for the Telecommunications Industry - William V. Johnson - Page 145 Investigation of Electrical Contacts in Low Power Level Circuits - J. J. McManus - Page 149 The End of an Era - W. E. Crippen - Page 158 Nell Organ Ramhorst - Page 161 Patents Recently Issued to Western Union - Page 162 Index - Page 164 Vol. 16 No. 1 January 1962 Engineering for the Future - C. M. Brown, Vice President - Page 1 Telex in U. S. A. - Philip R. Easterlin - Page 2 d'Humy Medalist for 1962 -- Robert Steeneck - Page 16 U.S.A.F. Technical Control -- Part I - H. F. Krantz - Page 17 Microwave No-Break Power Units for New Radio Beam Systems - Charles G. Ernst - Page 26 Technical Literature - Page 41 Patents Issued to Western Union - J. R. Hynemann - Page 42 Looking Forward at Western Union - Page 44 Vol. 16 No. 2 April 1962 Mechanized Inventory Control - F. A. Herman - Page 46 Character Recognition Systems - F. T. Turner - Page 58 Trends in Cable Ship Design - R. P. romanelli - Page 62 U.S.A.F. Technical Control -- Part II - H. F. Krantz - Page 72 Western Union "On Review" - Page 83 Book Review -- Cost Reduction in Wire Communications - Page 83 Recording on TELEDELTOS Electrosensitive Pager -- Type L48 and L39 - J. H. Hackenberg and F. L. O'Brien - Page 84 Vol. 16 No. 3 July 1962 From the President's Desk - W. P. Marshall - Page 94 Launching the W. U. Technical Review - Paul J. Howe - Page 95 Fifteen Years of "Exploding Technology" - F. B. Bramhall - Page 97 Introduction to Broadband Switching - A. F. Connery - Page 98 Use of the Computer in Routing Messages - W. R. Francis and J. A. Hunt - Page 104 A Frequency-Shift Data Set for Voice Cooordinated Asynchronous Transmissions (up to 1200 bauds) - R. L. Lowe - Page 112 Trademarks and Copyrights - M. I. Borsella - Page 121 Data Transmission and The Common Carrier - J. E. Boughtwood - Page 126 Error Detection, Correction and Control - Robert Steeneck - Page 134 Patents Recently Issued - Page 140 In Memoriam -- Howard P. Corwith - Page 141 AFCEA Convention - Page 142 Book Review - Page 143 Abstracts - Page 144 Vol. 16 No. 4 October 1962 PERT -- A Program Management Tool - E. R. Adamkiewicz and A. J. Marra - Page 146 Point-to-Point Subscriber Set - R. P. Stotz - Page 154 Two-Channel Multiplex for Italcable Company - A. W. Dickey - Page 158 Digital Phase Corrector for Synchronous Transmissions - E. J. Chojnowski - Page 160 Western Union Tests via TELSTAR - P. R. Easterlin - Page 168 Microwave Radio Beam System - J. M. Reardon - Page 170 W. D. Buckingham -- 1962 d'Humy Medalist - Page 180 Patents Recently Issued to Western Union - Page 181 Abstracts - Page 182 Dot Generator - Page 184 Vol. 17 No. 1 January 1963 Marketing and Technical Know-How - G. G. Creal, Vice President - Page 2 Varactor Diode -- Part I Theory - R. L. Ernst and J. K. Fitzpatrick - Page 4 Electro-Quote Display System - H. F. Burroughs - Page 14 Data Card Transmitter - P. F. Recca - Page 20 Patents Recently Issued to Western Union - J. R. Hyneman - Page 31 Bomb Alarm - C. R. Deibert and W. D. Buckingham - Page 32 Abstracts - Page 43 Technical Review for '63 - Page 44 Vol. 17 No 2. April 1963 Measurement of Discontinuities in Waveguides - Ethan Aronoff - Page 46 AF Datacom System Completed - Page 64 Varactor Diode -- Part II - Applications to Microwave Systems - R. L. Ernst and J. K. Fitzpatrick - Page 65 New Ideas in Microwave System Maintenance - G. B. Woodman - Page 78 Delay, Linearity and White Noise Testing of F. M. Radio Relay Systems - E. C. Ottenberg - Page 82 Ranndom Notes at the IEEE Winter Meeting - Page 90 Award to the Western Union Technical Review - Page 91 Abstracts - Page 92 Vol. 17 No. 3 July 1963 Standard Circuit Cards For Data Switching Circuits - Marvin H. Gold - Page 94 Automatic Switching System Plan 39 -- Theory and Design - R. J. Duswalt - Page 104 The TW56-WU Telex Concentrator - T. J. O'Sullivan - Page 110 Type 600 -- Automatic Four-Wire Switching System - K. M. Jockers - Page 122 Western Union Exhibit at AFCEA Convention - Page 129 Patents Recently Issued to Western Union - Page 130 Book Review - Page 131 Spring Joint Computer Conference - Page 131 Abstracts - Page 132 Vol. 17 No. 4 October 1963 The Solid State Remote Control Unit and Polar Adapter - F. R. Firth and T. J. O'Sullivan - Page 134 Switching Systems -- Plan 56-B - B. E. Codd - Page 140 AUTODIN Expands Overseas - Page 148 Communications of the Future - G. S. Paul, Vice President - Page 149 AUTODIN -- Technical Control Facility - F. B. Falknor - Page 150 B. L. Kline, 1963 d'Humy Medalist - Page 156 Traffic Evaluation -- Part I for Western Union Telex Network - K. M. Jockers - Page 158 Test and Dispatching Circuits - W. L. Johnson - Page 163 Abstracts - Page 168 Two Year Index - January 1961-October 1963 - Page 170 A Year Well Done - Page 172 Vol. 18 No. 1 January 1964 Introducing our Executive VP - Page 2 Vice President's Message from Government Communications Systems Department - W. H. Francis, Vice President - Page 3 Standard Symbols for Digital Logic Design - V. C. Kempf - Page 4 Patents Recently Allowed - Page 17 A New Line of Light-Duty Teleprinter and ASR Sets - Fred W. Smith - Page 18 Traffic Evaluation for Western Union Telex Network Part II -- Switch Stages - K. M. Jockers - Page 32 Papers Recently Presented - Page 37 AUTODIN -- System Description Part I -- Network and Subscriber Terminals - Page 38 G.S.A. System - Page 46 Abstracts - Page 47 Featured in the April 1964 Issue - Page 48 Vol. 18 No. 2 April 1964 New American Standard Code for Information Interchange - Fred W. Smith - Page 50 Private Automatic Telephone System (PATS) - G. R. Chong - Page 62 AUTODIN -- System Description -- Part II -- Circuit and Message Switching Centers - H. A. Jansson - Page 68 A Solid-State Teleprinter/Multiplex Translator - Raffaele Ascione - Page 78 AUTODIN Expansion - Page 88 Papers Presented by W.U. Engineers - Page 90 Abstracts - Page 91 Microwave System in Test Operation - Page 92 Vol. 18 No. 3 July 1964 Class "D" Service - H. F. Krantz - Page 94 Expanded Private Wire Service for New York Stock Exchange - C. Turner and G. A.Straub - Page 108 Interconnection of Three PATS for Philadelphia Stock Exchange - C. G. Chong - Page 114 Message Protection in the AUTODIN Message Switch - R. L. Snyder - Page 118 Dial-a-Wire Service - Page 128 George Oslin Retires - Page 130 Abstracts - Page 131 EDAC Makes First Text - Page 132 Vol. 18 No. 4 October 1964 New Punched Card Transmitter -- for Data Communications Systems - N. L. Feld - Page 134 EDAC - J. J. Durachinski - Page 140 Patents Recently Allowed - Page 149 New TELEDELTOS Paper Types 2AL and L-62 - J. A. Falkenberg - Page 150 Facsimile Imaging Systems -- Part I - G. H. Ridings - Page 152 CCITT Sets New Standards at Third Plenary Assembly - P. R. Easterlin - Page 160 Development of Error Correcting Codes Part I -- Molulo 2 Arithmetic - R. Steeneck - Page 164 Abstracts - Page 170 Management Information Systems - Page 172 Vol. 19 No. 1 January 1965 The President's Message - R. W. McFall, President - Page 2 Development of Error Correcting Codes Part II -- Multiple-Bit Error Correcting Codes - R. Steeneck - Page 4 Facsimile Imaging Systems -- Part II - G. H. Ridings - Page 14 New 8-Level Teleprinters and ASR Sets Part I -- Model 33 - Fred W. Smith - Page 22 Transistorized Modulator-Amplifier Group - H. C.Likel - Page 32 Inauguration of Western Union's Transcontinental Microwave System - Page 39 Abstracts - Page 40 Vol. 19 No. 2 April 1965 The New W.U. 301 Computer Switching System - E. F. Manning - Page 42 Communications Multiplexer for Computer Switching Systems - J. Ellich and J. J. McManus - Page 54 W. U. Participates in CCIR Space Communications Meeting - J. Z. Millar - Page 61 New 8-Level Teleprinters and ASR Sets Part II -- Model 35 - Fred W. Smith - Page 62 Patents Recently Issued to W. U. - Page 69 Facsimile Imaging Systems -- Part III - G. H. Ridings - Page 70 Ribbon Reinker for the New 900 C.P.M.Tickers - O. W. Swenson - Page 78 Book Review - J. Eliezer - Page 81 Abstracts (missing) - Page 82 W.U. Engineers Elected Fellows of I.E.E.E. - Page 84 Vol. 19 No. 3 July 1965 Vice President's Message - Robert W. Hodgers, Jr., Vice President - Page 86 Integrated Circuits - J. J. McManus and J. D. Dorgan - Page 88 Western Union's Hot/Line - Page 101 Telex Switching Table - E. T. Finnegan - Page 102 Solid State Facsimile Transceiver - S. A. Romano, J. F. Gross, A. Portnoy - Page 104 New Punched Card Transmitter for Data Communications Systems -- Part II - N. L. Feld - Page 112 Ours is a Growth company -- Editor's Page - Mary C. Killilea, Editor - Page 117 EDAC Error Control on a Global High Frequency Radio Circuit - R. Steeneck - Page 118 Abstracts - Page 126 - missing Management Consulting Service Awarded Contract - Page 128 - missing Vol. 19 No. 4 October 1965 Conductive Printing of Mark-Sense Data Cards - W. H. Fisher and F. J. Calderone - Page 130 Broadband Switching Centers for Broadband Exchange Service - J. A. Sinnaeve - Page 142 Optical Character Reader - C. R. Deibert and F. T. Turner - Page 148 The Place of Western Union in the Information Revolution - Russell W. McFall, President - Page 156 Economical Packaging - P. J. Birkmeyer - Page 158 Western Union Museum - J. E. Stebner - Page 162 Abstracts - Page 168 2 yr Index (1064-1965) - Page 170 Patents Recently Allowed - Page 172 Vol. 20 No. 1 January 1966 Western Union Serves the Federal Government - P. J. Schenk, Vice President - Page 2 High Speed Tape Reader - Stan A. Kirkowski - Page 4 Advanced Record System - Donald E. Carruth - Page 8 Form-Feed Message Delivery System - John R. Cowan - Page 18 Growth of Western Union Technical Review - Mary C. Killilea, Editor - Page 23 Autodin-Conus Expansion - Harold F. Caley and Fred W. Schultz - Page 24 Autodin-Overseas Expansion - Ralph M. Pool - Page 34 Abstracts - Page 46 Western Union's New Trademark - Page 48 Vol. 20 No. 2 April 1966 Reliability in Communications Systems - B. Rider - Page 50 Microwave Expansion - Page 55 New Punched Card Transmitter for Data Communications Systems Part III -- Operation - N. Feld - Page 56 Transistorized Data Network Repeater - H. Likel - Page 62 Circuit Switching Network for ARS - H. E. Brooks - Page 70 New Products Planned for Western Union - W. H. Fisher - Page 77 Industrial Design at Western Union - D. Dabney - Page 78 Information Explosion at IEEE - R. L. Francisco - Page 82 Patents Recently Allowed - Page 85 Abstracts - Page 86 Western Union's Hot/Line Expansion - Page 88 Vol. 20 No. 3 July 1966 Telex -- The Bridge to World Communications - J. H. Weems, Jr. - Page 90 Planning W.U. Telex System - K. M. Jockers - Page 92 Telex Switching System TWK4 - J. J. Wunner, Jr. - Page 96 Our Response to Challenge - Mary C. Killilea, Editor - Page 105 Pulse Rate Monitor - M. M. Feldman - Page 106 Outstation Options - P. J. Lavitola - Page 108 Traffic Recording Methods - E. Panzaru - Page 112 Telex Interface For Use With Computer - E. C. Mansfield - Page 120 Information Services Computer Center - S. Wernikoff - Page 128 Automatic Test Routiners - F. J. Zepecki - Page 138 Patents Recently Issued - Page 141 CSR-4 Exchange - J. S. Chin and J. J. Gomerman - Page 142 Abstracts - Page 150 Experience and Teamwork - R. H. McConell, Assistant Vice President - Page 152 Vol. 20 No. 4 October 1966 Low Speed Outstation Equipment - R. J. Ghiringhelli - Page 154 Automatic Handling of Teltex Message - R. K. Lewis - Page 166 New Partners in Prograss -- Computers and Communications - R. W. McFall, President - Page 172 Format Modifier for International Message - J. A. D'Onofrio - Page 176 Western Union Expands its PMS - Page 182 Book Review on Communications Switching Systems - Page 184 Patents Recently Issued to Western Union - Page 185 Abstracts - Page 186 New 20 Yr. Index - Page 188 Vol. 21 No. 1 January 1967 Message Switching in ARS - R. H. Leonard - Page 2 International Telex Service Through Computerized Line Switching - P. J. Klein - Page 14 I. S. & S. Department Relocates in Mahwah, N.J. - Page 23 Cable Extension Systems for Carrier Multiplex Basebands - T. T. Maekask - Page 24 AUTODIN Expansion - Page 29 Pilot Alarm System for Carrier Multiples - J. L. Anderson - Page 30 Duplex Way Station Systems Plan 117 and Plan 137 - A. A. Ortiz - Page 40 Computer Controlled Communications Systems - J. E. Caldwell - Page 54 Abstracts - Page 70 Hot/Line Transcontinental Service - Page 72 Vol. 21 No. 2 April 1967 ISCS* Information Service Computer System - John A. Hunt - Page 76 Info-Com* Information Communications Service - Henry P. Bechtold - Page 86 Modern Facilities - Our President - Page 97 SICOM* Securities Industry Communicaiton System - Vincent Hamill and Kenneth L. Brody - Page 98 Hot/Line A Unique Voice Service - H. J. Corwin - Page 104 Dial-Pak* A New Broadband Service - F. J. Aler - Page 108 Domestic Satellite Systems A New Communication Service - W. B. Sullinger - Page 114 * Western Union Trademark Vol. 21 No. 3 August 1967 On Our 20th Anniversary -- We Resolve - by The Committee on Technical Publications - Page 126 Microwave Radio -- The Backbone of W.U. Transmission Services - R. E. Greenquist - Page 128 Analog and Digital Transmission capability of Microwave Systems - E. H. Mueller, D. J. Liu and M. Sheldon - Page 130 Info-Terminal 311 - Page 139 Satellite Earth Stations - E. C. Ottenberg, G. R. MacMichael and G. W. Johnston - Page 140 NSD-6 Radio System for Solid State, Short Haul Microwave - D. D. Klimek - Page 154 Digitized Video Transmission over Common Carrier Microwave - E. H. Mueller - Page 162 Abstracts - Page 168 Looking Ahead with the Technical Review - Mary C. Killilea, Editor - Page 170 Announcements - Page 172 Vol. 21 No. 4 November 1967 International Data/Voice Communications - H. F. Wilder - Page 174 Revised U.S. ASCII - Fred W. Smith - Page 184 Definition of New Terms - Page 191 AMA Seminar -- International Data Communications - Page 192 AUTODIN Automatic Maintenance Program - W. R. La Bar - Page 194 The 20th Anniversary of our Technical Review - Mary C. Killilea, Editor - Page 202 Abstracts - Page 206 New Subscription Rates - Page 207 Our Christmas Message -- Special Services and Instant Gifts - J. T. Kuhn - Page 208 missing Vol. 22 No. 1 Winter 1968 View from the Technology Center - Page 2 To Simulate or Not? - Page 6 Modeling and Simulating the ISCS Phase I Processing Center - Page 7 TCCS -- and Testing Techniques - Page 15 Our Customer Says: National Distillers Order Entry System used Western Union Interface - Page 30 Book Review -- The Anatomy of a Compiler - Page 34 Abstracts - Page 35 New Technology Center -- A Showplace for Visitors - Page 36 Vol. 22 No. 2 Spring 1968 F.C.C. Begins to Examine the Computer/Communications Interdependence - Page 38 Measurement and Analysis of Impulse Noise for Communications Circuits - Page 43 Computer to Terminal Ringback Algorithm - Page 50 Our Customer Says: Punched Card Transmitter Speeds Handling CN Railways Reservation System - Page 62 EDITS - Page 68 New Western Union Modems - Page 76 Patents Recently Issued - Page 77 Abstracts - Page 78 Telex Marks 10th Anniversary - Page 80 Vol 22 No. 3 Summer 1968 Pulse Code Modeulation - Initial Application at Western Union - Page 82 PCM-D4 Channels - Page 94 Our Customers Says: Western Union's 301 Switching System meets reliability requirements of Dun & Bradstreet - Page 104 Cost Effectiveness - Our Management's Tool - Page 110 Patents Recently Issued - Page 115 Evolutionary Modernization of DCA AUTODIN CONUS - Page 116 Abstracts - Page 118 Western Union serves the National Political Conventions - Page 119 Vol. 22 No. 4 Autumn 1968 DIT provides Automatic Access to Computerized Data Terminals - Page 122 SAS - A Management Tool to Evaluate the Dynamics of Change - Page 132 Voice Communication Network for Echo-Free Conferences - Page 144 Improved Service Time with New CRT-TELMAP Equipment - Page 152 Abstracts - Page 158 Patents and Trademarks Recently Issued - Page 159 Our Editor says: Looking Ahead to 1969 - Page 160 Vol. 23 No. 1 Winter 1969 Quality Assurance Program by R. H. McConnell - Page 2 Quality Assurance Emphasized at Western Union - Page 4 System Performance in Communication Systems - Page 14 Configuration Management at Western Union - Page 20 Management Reviews Help Keep Pace with Western Union's Expanded Services - Page 26 Reliability Projection and Analysis - Page 32 Biographies of Authors - Page 41 Abstracts - Page 42 Goals and Togetherness - Page 44 Vol. 23 No. 2 Spring 1969 Morse -- Pioneer of the Electronic Age -- The Sending of the First Public Telegram Launched the Telegraph Industry - Page 46 Mini-T and Maxi-T -- New PCM Terminals - Page 54 Western Union Requres continuous Quality Monitoring of Telegraph and Data Circuits - Page 64 Our Customer Says: Instant Circuit Assurance of Weyerhaeuser's Order Entry System Made Possible with Western Union's Solid State Selector - Pag 72 Upper Management Summarized Our Accomplishments at The Annual Stockholders Meeting - Page 80 Abstracts - Page 83 Technical Publications Expansion to Meet our Company Growth - Page 84 Vol. 23 No. 3 Special June 1969 Issue Service Improvement through MSC Program Control - Page 86 Improved Trunk Alloction in a Congested Network - Page 96 Thruput Improvement in Message Switched Traffic - Page 104 End to End Grade of Service through Circuit Switching Network Simulation - Page 114 Authors - Page 126 Abstracts - Page 128 Vol. 23 No. 4 Summer 1969 NCIC Information retrieval System uses Western Union's Terminals and Circuits - Page 130 Test Facility -- A Unique Measurement Tool - Page 136 Shields and Company The First Customer on Wall Street to Cut Over to SICOM - Page 142 Queuing Theory -- A New Management Tool - Page 150 Book Review -- Introduction to elementary Queueing Theory and Telephone Traffic - Page 159 Abstracts - Page 160 Technical Review moved back to Corporate Headquarters - Page 162 missing Vol. 23 No. 5 Autumn 1969 Measurement of ISCS Thruput - Page 165 A Simulator for Evaluation of a Shared Communication System - Page 180 System Sizing and Simulation in the Design of Communication Networks with Memory - Page 184 Estimating Storage Requirements in a Store-and-Forward Switching System - Page 194 TPUT -- A Software Diagnostic Program for ISCS - Page 204 System Design -- A Continual Analysis Process - Page 207 Supermarket Chain Uses Western Union Desk-Fax - Page 208