Technical Equipment of the Signal Corps (1916)

Military Article Photocopies available from Military/Info

War Deparment Document No.541. Office of the Chief Signal Officer. Manual No.3 Technical Equipment of the Signal Corps (1916); 554 pages, 100+illus.Price 55.00 {Item No.1411}

• Chapter 1. The voltaic cell, Ohm's law, and primary and secondary batteries; 32 pages, 14 illus.  Price 4.00 {Item No.22015} [Includes: The voltaic cell, Ohm's law, Standard batteries supplied by the Signal Corps, Reserve type dry cell. Gravity cell, Fuller battery, To charge and connet batteries, Renewing, To take the cells apart, To ascetain inf the oxide plates are exhausted, Copper frames, Grouping of cells, Secondary batteries, General data concerning the storage battery, Tests for purity of electrolye, Unpacking and care of material, Electrolyte, Location of battery, Installing battery, Connecting up the charging circuit, Initial charge, Temperature, Initial charges for different makes of cells, Table of ratings,Additional instructions for erecting storage batteries, Care of storage batteries, Regular charge, Overcharge, General]
• Chapter 2. Telegraphy and the induction telegraph set; 34 pages, 29 illus. Price 4.00 {Item No.22016} [Includes: The morse telegraph, Telegraph office equipments, The relay, The sounder, Switchboards, Lightning arresters, Terminal office switchboard and battery arrangments, The Milliken repeater, The Weiny repeater, Test for operation of telegraph repeaters: Milliken repeaters, Reverse operation, Weiny repeaters. Duplex Telegraphy: The single current duplex, The artificial line, Double current duplex systems, The Polar duplex, The Pole changes, The Pole relay, The Battery duplex, The "Bridge" duplex, Balancing the Polar duplex. Western Union pole changer, The Adjustment of Telegraph apparatus, Wet-weather effects, Feeling for a distant station, Adjustment of sounders, Adjusting for maximum strength, Power for operating telegraph systems, Induction telegraph set, Theory, Instructions for operating, Duplex operations]
• Chapter 3. Telephony, the camp telephone and the buzzer; 34 pages, 33 illus. Price 4.00 {Item No.22017} [Includes: Magnetism, Electromagnetism, Electromagnetic induction, Electrostatic induction, Principle of the transformer, Theory of the Telephone, Local battery transmission, Common battery transmission, Magneto, Receiver, Transmitter, Ringer, Types of instruments (Wall telephone L.B. Sumter mfg,Co), Local battery wall telephone, Local battery desk set (Desk telephone L.B.Garford mfg.,Co.), Common battery telephone (Wall Telephone, C.B.Western Electric; Wall Telephone, C.B. Sumter mfg.), The camp telephone, The service buzzer, Primary sending circuit - Telegraph, Secondary sending circuit - Telegraph, Receiving circuit - Telegraph, Primary sending circuit - Telephone, Secondary sending circuit - Telephone, Receiving circuit - Telephone]
• Chapter 4. Cable and cable systems; 74 pages, 43 illus. Price 8.00 {Item No.22018} [Includes: Submarine cables, Paper insulation submarine cables, Subterranean cables, Power cable, Cable reels, Installation of cables, Aerial cables, Underground cable, Trenching cable, Conduit, Manholes (detailed illustrations), Pulling cable in conduits, Cable splicing (Splicing rubber insulation submarine cable, The Vulcanized joint, Splicing paper insulation submarine cable, Splicing of all paper insulation cables, Three way or Y splices, Pot heads, Method of making a pot head, Direction for settting up the pot head, Suggestions in regard to splicies, Splicing rubber insulation lead covered subterranean cable, Splicing rubber insulation lead covered and armored subterranean cable, Tests of subterranean cable after they have been pulled in ducts and spliced, The galvanometer, 100,00 ohm box, combined shunt and key, Standard condenser, Service testing battery, Ohmmeter model 1904, Cable testing telephone, Method of making first test after installation, Duties of tester, Insulation measurements, The author's explaination of principle involved in making insulation resistance measurements, Correction for leads, To determine the galvanometer constant, Insulation test, Capacity test, Ohmeter model 1904, Directions for using the Ohmmeter model 1904, Points for the tester (12 tables), Standard cable constants, Electrolysis, Factory testing for the electrical properties of cable (7 tables)]
• Chapter 5. Aerial line construction; 36 pages, 40 illus. Price 4.00 {Item No.22019} [Includes: Model line construction, Erection of line, Poles, Concrete poles, Digging holes, Pole setting, Number of poles, Delivery of poles, Preparation of poles, Lighting rods, Cross arms, Framing poles, Bracket lines, Terminal or office pole, Guard wires, Insulators, Stringing wire, Transposition, Rive crossings, Line construction tools and material, Guys, Cable handling, Hanging cable, Propection of cable, Cable box ground, Lapping for splicing, Connections to aerial cable, Tripod lines, Erecting tripods, Long Spans]
• Chapter 6. Post telephone systems; 53 pages, 46 illus. Price 6.00 {Item No.22020} [Includes: General, Common battery post telephone switchboards (11 circuit diagrams), Lamp signals for line signals and lamp signals for supervisory signals, Magneto switchboards (Local battery type), 50 line magneto switchboard, Cordless switchboard, Installation of telephone switchboards, Switchboard cable color scheme, Installation of protective apparatus, Magneto switchboard protectors, Central energy switchboard protectors, Power equipment for common battery post telephone systems, Power switchboards, Ringing apparatus, Telephones, Records of an installation (9 examples), Signal corps forms, Maintenance of post telephone systems: Summary of faults that are most likely to occur and an enumeration of causes - Local battery instruments, Common battery instruments. Telephone switchboard troubles: Summary of faults which are most common]
• Chapter 7. Small-arms target range signaling systems; 18 pages, 17 illus. Price 2.00 {Item No.22021} [Includes: Detailed prints of various typies of range systems (Target Range Outline boxes: Round patterrn, 1915 model. Target Range Type No.1 system, Type No.2 system, Type No.3 system. Records, Signal corps forms]
• Chapter 8. Technical equipment issued by the Signal Corps; 97 pages, 30 illus. Price 10.00 {Item No.22022} [Includes: General equipment list, Box metal terminal, Bells extension loud ringing, Signal cart, Cable (tables of details), Submarine cable gear and supplies, Wire cart, Cords (5 pages of illustrated details), Field glasses, Telescopes, Fuses, Fire conduit, Key strap, Insulating and splicing materials, Insulating compounds, Line construction materials, Marking hammers, Line construction tools, Electrical instrument case, Mechanics tool chests, Aeroplane tool chest, Electrical Engineer's tool chest, Construction tool chest, Cable splicers tool chest, Pipe fitters tool chest, Post tool chest, Service tool bag, Inspectors pocket kit, Moldings, Ground rods, Knife switches, Mogul paint, Solder, Bridle bags, Photography, Screw anchors, Switchboards, Camp telephone switchboard, Telephones, Wire: Designation of wire in mils, Inside twisted pair, Insdie twisted triple conductor, House, Pot head, Cross connecting, Rubber covered, Fixture, Weatherproof, Bridle, Outside twisted pair, Outside distributing copper clad, Hard drawn copper, Galvanized iron, Buzzer, Field, Office, Miscellaneous wires. Miscellanous Field Equipment: Wire carrier, Hand reel, Buzzer connector, Wire pikes, Megaphones fiber 18 inch, Pole lance and insulators. Standard specifications]
• Chapter 9. Miscellaneous tests and general information; 42 pages, 32 illus. Price 5.00 {Item No.22023} [Includes: Miscellaneous tests, The voltmeter and ammeter, The voltmeter (0-5, 0-150 volt pattern), To the difference of potenial (pressure) between any two points of a wire of extremities of a coil carrying current, To measure a resistance, To measure current with the voltmeter, To measure the internal resistance of a battery. The Wheatstone bridge (detailed), Voltammeter portable, Ohmmeter, Location of a cross by means of the voltmeter, Exploring coil, Murray and varley loop tests, Location of faults in telegraph lines, Location of crosses or leaks in telegraph lines by means of the wire bridge, Faultfinder, Lines of information, Field transportation, Wire used in field operations, The buzzer, The camp telephone, Field induction telegraph, Selection of instruments, Miscellaneous tables and information (many detailed tables)]
• Chapter 10. Requistions and general maintenance regulations; 14 pages, 2 illus. Price 2.00 {Item No.22024} [Includes: Requisitions for maintenance supplies, Care of post telephone and small arms target range signalling systems, Inspection of post telephone and small arms target range signalling systems: Maintenance test, Maintenance inspection, Monthly storage battery report, Maintenance of motor generators, Power switchboard maintenance, Dry batteries, Maintenance of field equipment]
• Chapter 11. Long submarine cables; Submarine telegraphy; Tests of long submarine cables.; 74 pages 43 illus. Price 8.00 {Item No.22025} [Includes: Splicing Gutta-Percha insulation cable, Laying submarine cable, Grapnels, Dynameter, Submarine telegraphy, Swithcboards, Lightning arrestors, Ground connections, Office wiring, Instruments of cable working, Double current working, Polarized relays, Sounders, Transmitters, Description of operation of open circuit single current repeating set, Notes on Efficient Morse working of Submarine cable: Battery, Relays, Proper touch to key, Repeaters, General notes, Operation of long submarine cables, Siphon records, The Motor, Operation of motor by electric light current, Care of records siphons ink etc., Auxilliary apparatus for siphon record working, Arrangement of instruments for operating long cables, Automatic transmitters, The Cuttriss automatic transmitter, Transmitter tape perforators, Notes on the efficient working of a cable station and on troubles that occur, Grounds for submarine cables in or near large cities. Cable testing: Reflecting Galvanometers, Shunts, Conductor resistance, Description of Fisher Cable Testing Set No.2, Measuring of electrostatic capacity, Notes on capacity measurements from standard underground cable Co.'s handbook No.XVII, 1906, Measurements of insulation resistance, Measurements of conductor resistance, Variety loop method of locating grounded or crossed wires, Arrangement of testing set, Excessive E.M.F. not to be used, Location of faults in submarine cables, Clark's Potential test, Earth overlap test, Handy formulae for testing submarine cable for breaks, dead grounds, and earth overlap, Jordan and Schonal's Modification, Instructions for shore stations during laying or repair of cable]
• Subject Index; 32 pages
• Illustration Index; 44 pages