ELECTRIC LINE " Against Telephone and Telegraph Companies. G. C. Hamilton. From the "Central Law Journal. Discusses some of the questions that have been raised and the opinions rendered. 2500 W. Elec Rev, N. Y.-May 4, 1901. See also ELECTRIC INDUSTRY-Legislation. Lightning Arrester.-See LIGHTNING ARRESTER. Long Span.-A Long-Span Transmission Line. B. Wiley. Describes a power line from the Carrie furnaces to the Homestead Steel Works, the particular feature being a span of 1000 feet between supports.. Ils. 1300 w. Elec Wld & Engr-April 16, 1904. Long Spans for Transmission Lines. F. O. Blackwell. Considers the principal causes of interruption in long-distance transmission, and the remedies to be gained by substituting steel tower construction with long spans for a wooden pole line. 2800 W. Trans Am Inst of Elec EngrsJune 21, 1904. Conductors for Long Spans. Francis O. Blackwell. Gives results of investigations made to determine the characteristics of conductors so as to secure some definite basis upon which to figure long spans. 2800 w. Int Elec Cong of St. Louis -Sept., 1904. Discussion on "Long Spans for Transmission Lines." Discussion at Chicago of the paper by F. O. Blackwell. 9500 W. Trans Am Inst of Elec Engrs-Oct., 1904. New 30,000-Volt, Steel Pole, Long Span, Transmission Line. Describes the line from Los Angeles to Inglewood, a distance of fourteen miles. 1500 w. Jour of Elec-Jan., 1905. Ills. See also Carquinez Straits; Sag of Wires; Steel Tower; ELECTRIC CONDUCTOR. Losses.-Line Effects Due to a Moving Load. Carl P. Nachod. An analytical study of the distribution of current potential and energy lost in circuits supplying power from two points to a locomotive traversing the distance between them. Also editorial. 900 w. Elec Wld & Engr—April 29, 1905. See also Leakage; DIELECTRIC; ELECTRIC DISCHARGE; ELECTRIC TRANSMISSION. Losses, Pole.-Earth Connections for Masts and Poles for High-Tension Transmission (Ueber Erdverbindung für Mastenbeschläge und Hölzerne Leitungsmasten bei Elektrischen Hochspannungsleitungen). Norberg Schulz. Data from experience in Norway showing the losses of current through the masts and connections. 1500 w. Elektrotech ZeitschrMay 25, 1905. Medium Span.-Medium-Span Line Construction. Clem. A. Copeland. Read before the Pacific Coast Elec. Trans. Assn. Discusses line construction, giving experience with various cables, and stating the importance of studying carefully the conditions. Ills. 3500 w. Jour of ElecJuly, 1904. Morgan Falls, PLANT. Georgia. See HYDRO-ELECTRIC Overhead vs. Underground.-High Tension Cables and Overhead Transmission. Charles C. Gerrard. A brief comparison of overhead and underground transmission with special reference to English conditions. 1500 w. Elec Rev, Lond-Aug. 14, 1903. Parallel Operation.-Conditions for Continuous Service Over Lines Operated in Parallel. M. H. Gerry, Jr. Advocates the use of multiple lines and proper appliances. 800 w. Trans Am Inst of Elec Engrs-June 21, 1904. Mechanical Specifications of a Proposed Standard Insulator Pin. IntroducRalph D. Mershon. tion to a discussion of a proposed standard pin covering wooden pins and, so far as it may, metal ones. 1200 w. Trans Am Inst of Elec Engrs March 27, 1903. Burning of Wooden Pins on High Tension Transmission Lines. C. C. Chesney. Discusses the preparation of the pins, pin troubles and their causes. Ill. 1000 w. Trans Am Inst of Elec Engrs March 27, 1903. Polarity Reversal. See ELECTRIC GENERATOR. Pole. See Losses; Steel Tower; POLE. Pole Preservation.-See TIMBER PRESERVATION -Electric Poles. Polyphase. See ELECTRIC CONDUCTOR-Copper Calculation. ELECTRIC LINE Portland and Great Falls, Me.-See HYDRO-ELEC. TRIC PLANT-Great Falls, Me. Potential Rise. See ELECTRIC TRANSMISSIONStatic Effects. Properties and Computations.-Computations of the Influence of Capacity, Induction and Resistance upon Aerial or Subterranean Conductors (Berechnung der Einflüsse von Kapazität, Induktion, and Resistanz auf Ober-oder Unterirdischen Leitungen). E. W. Ehnert. Containing an extensive series of examples relating to various problems with single-phase and polyphase currents. Three articles, 6000 W. Zeitsch f Elektrotechnik-Sept 4, 11, 18, 1904. Protection. See ELECTRIC PROTECTIVE APPARATUS-Transmission Systems; ELECTRIC RAILWAY-Overhead Construction;' TELEPHONE LINE. Protective Appliances.-See ELECTRIC PROTECTIVE APPARATUS-Transmission Systems; ELECTRIC TRANSMISSION; LIGHTNING PROTECTION. Regulation.-See ELECTRIC TRANSMISSION. Safety Devices. See ELECTRIC PROTECTIVE APPARATUS Transmission Systems; LIGHT. NING PROTECTION. Sag of Wires.-The Arrangement of Overhead Conductors (I'Establissement des Canalisations Aériennes). M. Loppé. A discussion upon the stresses and deflections for long spans. 7000 W. Bull Soc Int des Elec-Aug., Sept., Oct., 1901. St. The Proper Amount of Sag for Bare Wires of Soft Copper (Welcher Durchhang Soll Blanken Freileitungen aus Weichkupfer Gegeben Werden). K. Krohne. A discussion of the tension and sag in freely-suspended overhead wires, with diagrams, curves and tables. 1000 W. Elektrotech Zeitschr -July 3, 1902. The Computation of Sag of Wires (Berechnung des Drahtdurchhanges). K. Otto. Deducing formulas for the sag of overhead wires for various conditions of tension, temperature, and wind. 2000 W. Elektrotech Zeitschr-Jan. 15, 1903. A Determination of the Sag and the Tension in Wires (Zur Bestimmung des Durchhanges und der Spannung in Drähten). H. von Glinski. An approximate analytical and a more exact graphical method for determining the sag and tension in line wires, with diagrams. 1200 w. Elektrotech Zeitschr-April 2, 1903. Computation of Sag and Stress in Freely Suspended Wires (Berechnung des Durchhanges und der Spannung in Frei Gespannten Drähten).. A. Sengel. Developing equations for the determination of the catenary for overhead wires. 2500 w. Elektrotech Zeitschr-Sept. 24, 1903. The Calculations of Sag and Stresses in a Freely Stretched Wire (Beitrag zur Berechnung des Durchhangs und der Spannung von Frei Gespannten Drähten). A. Löwit. Giving formulas and diagrams for the stresses in an overhead wire for various spans and sags. 800 W. Zeit f Elek. trotechnik-Dec. 18, 1904. A Dynamometer for the Measurement of Stresses in Overhead Wires (Ein Dynamometer zur Messung der Drahtspannung in Freileitungen). George Nicolaus. The stress is measured by determining the force required to produce a certain lateral deflection. 1000 W. Elektrotech Zeitschr -Feb. 2, 1905. Temperature Effects in Spans. C. P. Nachod. Showing the relation between the sag and tension in a span where there is a temperature variation. 700 W. Elec Wld & Engr-Dec. 7, 1905. Maurice-Lausanne. See HYDRO-ELECTRIC PLANT-St. Maurice. ELECTRIC LINE Tension.-See Sag of Wires. Trolley. See ELECTRIC Construction. RAILWAY-Overhead See also Losses; ELECTRIC MEASUREMENT. Underground vs. Overhead.-See Overhead vs. Underground. Wire Materials.-Electric Transmission Lines. Alton D. Adams. A discussion and comparison of line wire materials. 3500 w. Cassier's MagMarch, 1903. Wire Sag.-See Sag of Wires. Wire Spacing.-The Spacing of the Wires on HighPressure Power Lines. W. B. Esson. Discusses this subject briefly and proposes that a uniform standard spacing be adopted of 1 ft. for every 10.000 volts pressure with a minimum spacing of 2 ft. 900 w. Elec Rev, Lond-Sept. 1, 1903. Wire Stresses.-See Sag of Wires. ELECTRIC LOCOMOTIVE. Electric Locomotives. H. K. Myers. Principles which determine the size and power of locomotives necessary for various loads and grades. 2300 w. Mines & Min-Dec., 1900. Allg. Elek. Ges.-Standard Gauge Electric Locomotive (Elektrische Vollbahn Locomotive). Illustrated account of the powerful electric locomotives for standard gauge service built by the Allgemeine Elektricitäts Gesellschaft, of Berlin. 3000 w. Mitt d Verf d Förd d Local u Strassenbahnwesens-Oct., 1900. Electric Locomotives (Elektrische Lokomotiven). Illustrated descriptions of a variety of electric locomotives built by the Allgemeine Elektricitäts Gesellschaft. 1200 w. Ill Zeitschr f Klein und Strassenbahnen-March 16, 1902. Par Baltimore & Ohio.-Control System, Motors and Shoes of the Baltimore & Ohio Locomotives. ticulars and illustrations of these electric locomotives. 1100 w. St Ry Jour-June 25, 1904. B. & O. Belt Line. See THIRD RAIL-Pick-UpDevice. Baltimore Tunnel.-Electric Locomotives for the Baltimore Tunnel. Illustrated description of a distinct advance in electric locomotive design. 900 w. Ry Age-Aug. 21, 1903. Brooklyn Rapid Transit.-A New Shifting Locomotive for the Brooklyn Rapid Transit Company. Illustrates and describes an interesting electric locomotive especially designed for the shifting of cars. 1500 w. St Ry Jour-Feb. 25, 1905. Canal Haulage.-See CANAL HAULAGE-Electric. Coal Mine. See Mine; ELECTRIC EQUIPMENT; MINE HAULAGE. Control.-Speed Control of Electric Mine Locomotives. R. B. Wiliamson. An illustrated explanation of the construction of controllers and the reasons therefor. 3000 w. Mines & Min-May, 1902. Control of Electric Locomotives. William Cooper. Considers methods of controlling the pull on the coupling. 2000 w. Elec Rev,N Y-April 8, 1905. See also CONTROLLER. Freight.-Electric Locomotive for Freight and Industrial Service. Remarks on the class of work for which these locomotives are adapted, with illustrated descriptions of recent installations. 1400 w. St Ry Jour-Sept. 13, 1902. How Can We Haul by Electric Locomotives Freight Trains Weighing Twice as Much as Those Now Hauled by Steam Locomotives? H. Ward Leonard. Gives statistics showing the average train loads and cost of hauling, and predicts that economics will be effected by the use of electric locomotives. 600 W. Elec Wld & Engr-Feb. 27, 1904. French Ry.-Electric Locomotives on French Railways. From "La Nature." Illustrates and describes the types adopted by the Orleans line, and the line of the West, and discusses their advan See also Paris-Orleans; ELECTRIC RAILWAY. French Western Railway. The Electric Locomotives on the Western Railway of France. Views and particulars of machines possessing very novel features, in use on the Versailles division. 1100 St Ry Jour-Feb. 28, 1903. W. High Speed.-See Reichel; Zossen. Italian Central Ry.-See Storage Battery. Jungfrau.-Electric Locomotive No. 4 for the Jungfrau Railway (Die Elektrische Ausrüstung der Jungfraubahn Lokomotive No. 4). Giving photographs of the motors and machinery; also diagrams of the wiring and charts of the performance. 3000 w.. Schweizerische Bauzeitung-Feb. 2, 1901. The New Jungfrau Locomotives. C. L. Durand. Illustrated description of the three-phase electric locomotives now used on this road, which are working successfully. 2000 w. Elec Rev, NYDec. 31, 1904. The New Jungfrau Locomotive. Emile Guarini. Illustrates an old and a new Jungfrau locomo1400 w. Sci tive, describing the latter in detail. Am Sup June 10, 1905. See also MOUNTAIN RAILWAY. London Metropolitan. Metropolitan Railway Electric Locomotives. Brief illustrated description of the 150-ton electrical locomotives being supplied. 600 w. Engr, Lond-Sept. 22, 1905. London Tube.-Electrical Locomotives. Brief Illustrated description of the locomotives on the City and South London Railway. 1400 w. Elec Rev, Electric Traction on Roads and Mineral Railways. W. R. Cooper. Discusses whether the cost will make it advantageous to use electric locomotives as a means of transporting from mines to railroads. 1800 w. Ir & Coal Trds Rev-June 6, 1902. Electric Mining Locomotives and Auxiliary Machinery. Frank C. Perkins. States the special advantages of their use for haulage and gives information of types used in various mines. Serial. 1st part. 1000 w. Min Rept July 16, 1903. Electric Mine Locomotives for Narrow Gauge (Elektrische Grubenlokomotiven für Schmalspur). Ernst Egger. Illustrated description of 3 ton electric locomotive for 488 millimetre gauge for the coal mines at Fünfkirchen, Hungary. 2000 w. Elektrotech Zeitschr-Oct. 1, 1903. Electric Mine Locomotives. William L. Affelder. Read before the W. Penn. Cent. Min. Inst. An illustrated article considering traction, third-rail, and sprocket locomotives, their development, and the conditions to which they are adapted. 8000 w. Mines & Min-March, 1904. Electric Gathering Locomotive. An adaptation of the ordinary trolley locomotive so that it may enter rooms in which wires have not been in Illus Newcastle, Eng.-Electric Goods Locomotive. trated description of a locomotive for service on the electrified branch of the North-Eastern Rail800 W. way Company's system at Newcastle. Engng-Oct. 14, 1904. N. Y. Central.-Electric Locomotives for the New York Central & Hudson River R. R. Illustrations and descriptions of these machines which differ radically in their electrical features from 1500 w. any hitherto constructed. Eng NewsJune 2, 1904. Electric Railway Locomotives for the New York Central. Illustration and principal dimensions of these locomotives, with description and general remarks. 1400 w. Sci Am-Nov. 12, 1904. Construction and Characteristics of Electric Locomotives for the New York Central & Hudson River R. R. Illustrated detailed description, callEng ing attention to the new features. 3000 w. News-Nov. 17, 1904. the New The First Electric Locomotive for York Central. Illustrated description of the pow erful high-speed electric locomotive officially tried at Schenectady on Nov. 12. 2500 w. Ir AgeNov. 17, 1904. TEST-Electric VS. See also LOCOMOTIVE Steam. North-Eastern, Eng.-North-Eastern Railway Electric Locomotive. Illustrated detailed description. 1500 w. Tram & Ry Wld-Nov. 10, 1904. Oerlikon.-Oerlikon Locomotives. Electric C. 0. Mailloux. Illustrated description of two types of single-phase a. c. electric locomotives, with information concerning them. 2400 w. St Ry Jour -April 8, 1905. Electric Locomotive with Overhead Trolley (Locomotive Electrique et Prise de Courant pour Ligne Aérienne). Illustrating a locomotive with improved sliding-contact trolley, built by the Oerlikon Works. 1000 w. Génie Civil-March 12, 1904. Orleans Ry, Paris.-See Paris-Orleans. Palermo-Monreale.-See MOUNTAIN RAILWAY. Paris Exposition.-Electric Locomotives and Motor Cars at the Exposition of 1900 (Les Locomotives et les Automotrices Electriques à l'Exposition de 1900). R. Godfernaux. Describing and illustrating some recent applications of electric traction to main-line service. 5000 W. Rev Gen des Chem de Fer-Nov., 1901. Paris-Orleans.-The Electric Locomotives of the Orleans Railway (Locomotives Electriques de la Compagnie des Chemins de Fer d'Orleans). An illustrated description of the locomotives for hauling the trains on the new extension of the Orleans railway in Paris. 1800 W. Revue Technique July 10, 1901. The Electric Locomotives of the Orleans Railway (Die Elektrischen Lokomotiven der OrléansBahn). H. Pforr. Full detailed description of the heavy electric locomotives, hauling trains from the Austerlitz to the Quai d'Orsay stations in Paris. 2500 W. 2 plates. Glasers Annalen-Nov. 15, 1901. The New Locomotives and Motor Cars for the Paris-Orleans Railway Co. M. Vingoe. Description, with illustration of track. 900 W. Elect'n, Lond-Aug. 12, 1904. See also ELECTRIC RAILWAY. Polyphase.-See Siemens-Halske; Valtellina Rail. way. Rack and Adhesion.-Combined Rack and Adhesion Locomotive (Locomotive à Crémaillère et à Adhérence). F. Barbier. Description of narrow gauge electric locomotive used on the road between Lyons and the plateau of Saint-Just. There are two sets of motors for the rack and adhesion respectively. 1800 w. Génie CivilAug. 31, 1901. Electric Locomotives for Both Rack and Adhesion Traction (Elektrische Lokomotiven für Zahnrad und Adhäsionsbetrieb). M. Gaze. A well illustrated description of electric locomotives to be used in and about a large sugar refinery, which are to operate on a rack railway, as well Self-Transforming.-See ELECTRIC RAILWAY Single Phase. Siemens-Halske.-Three-Phase 10,000-Volt Railway at Gross-Lichterfelde. Frank C. Perkins. Illustration, with description of a Siemens & Halske three-phase current locomotive, and brief account of the experimental line on which it is used. 8000 w. Sci Am-March 22, 1902. A 10,000-Volt Locomotive. Illustrated detailed description of a locomotive built by Siemens and Halske for the high-speed, high-pressure electric railway experiments near Berlin. 2000 w. Elect'n, Lond-Oct. 17, 1902. See also Zossen. Single Phase.-The Ward Leonard Single-Phase Locomotive. G. T. Hanchett. An illustrated description of this system, with a statement of the advantages and disadvantages over the ordinary heavy system of multiple unit direct-current traction. 2500 w. Elec Wld & Engr-March 5, 1904. • The Single-Phase Electric Locomotive for C. RenHeavy Passenger and Freight Service. shaw. On the development of the single-phase alternating current-motor and its practical application for the electrical operation of trunk line service. Ills. Interesting discussion. 7000 W. Pro Ry Club of Pittsburg-Dec. 22, 1905. Westinghouse Single-Phase Electric Locomotive. Illustration and description of an electric locomotive weighing 135 tons for heavy electric traction. 800 W. RR Gaz-Vol. XXXVIII., No. 22. See also ELECTRIC RAILWAY. Sliding Contact Trolley.-See Oerlikon; ELECTRIC RAILWAY-Huber Current Collector; TROLLEY. Steam Compared.-See ELECTRIC RAILWAY. Storage Battery.-Accumulator-Driven Locomotives for Workshops (Ueber Fabrik Locomotiven mit Accumulatorenbetrieb). Max IllusBüttner. trating and describing a number of electric locomotives used in manufacturing establishments in Germany, and showing the advantages of accumulators for such service. 2500 w. Stahl und Eisen -Nov. 1, 1900. Electric Locomotives for Shops. Illustrates and describes a storage battery electric locomotive, well adapted to the work for which it was designed. 900 w. RR Gaz-Dec. 20, 1901. Switching Locomotive with Electric Accumulators Rangier-Lokomotiven mit Akkumulatoren). An illustrated description of a 40-H. P. electric locomotive carrying a storage Ill. 1000 W. Zeitschr f battery of 120 cells. Klein u Strassenbahnen-Feb. 16, 1902. (Elektrische cars A Twenty-Ton Storage Battery Switching Engine. Describes a locomotive for shifting while loading or unloading, and for transferring material from one shop to another. 1200 w. Eng Rec-May 16, 1903. Storage Battery Industrial Locomotives. F. L. Sessions. An illustrated article considering the 3700 equipment of a storage battery locomotive. W. Trans Am Inst of Elec Engrs-July, 1903. Storage Battery Locomotives for Shop Trans. portation. J. A. McIntyre. Illustrated descriptions of exhibits at the Louisiana Purchase ExSci Am Sup-July 16, 1904. position. 700 w. A Storage-Battery Locomotive. Illustrated description of a novel type of electric locomotive designed for service on the new deep level tube ELECTRIC LOCOMOTIVE for London that is in course of construction. W. Sci Am-Nov. 25, 1905. 700 See also AUTOMOBILE, ELECTRIC; ELECTRIC RAILWAY-Paris-Arpajon; ELECTRIC RAILWAY ACCUMULATOR; MINE HAULAGE; STORAGE BATTERY. Suburban Service.-Rapid Transit and the Electric Locomotive. Discusses Howard S. Knowlton. the application of electric locomotives for suburban service, and the future outlook, the advantages and disadvantages, and the effect on the engineers running high-speed trains. Am Elect'n-Dec., 1904. 2500 W. 10,000 Volt.-See Reichel; Siemens-Halske. Valtellina.-New Locomotives on the Valtellina Railway. Gives illustrations and interesting particulars of these locomotives, taken from an article by Béla Valatin, in "Elektrische Bahnen Serial. u Betriebe." Elec 1st part. 2000 w. Engr, Lond-Feb. 3, 1905. The New Electric Locomotives of the Valtellina Railway (Les Nouvelles Locomotives electriques de la Valtelline). Frederic Koromzay. With full details of the mechanical and electrical construction of the new three-phase locomotives of 62 tons weight. 5000 W. 4 plates. Rev Gen d Chem de Fer-March, 1905. The New Electric Locomotives of the Valtellina Railway (Die Neuen Elektrischen Lokomotiven der Valtellina-Bahn). Eugen Cserhati. Full detailed description of the improved three-phase electric locomotives built by Ganz for the Valtellina Serial. line in Northern Italy. Part I. 2500 W. 1 plate. Zeitschr d Ver Deutschr Ing -March 4, 1905. The New Electric Locomotives for the ValtelRailway lina (Neue Elektrische Lokomotiven E. Туре R. A. 1903, für die Valtellinabahn). Cserhati. A fully illustrated description of the new three-phase locomotives for the Lecco-ColicoSondrio line in Northern Italy. Two articles. 5000 W. Zeitschrf Elektrotechnik-April 9, 16, Waterloo and City Railway, London, with description, and notes on the working of this railway. 800 W. Engr, Lond-Jan. 17, 1902. Yard and Shop.-Electric Locomotives for Yard and Classifies industrial electric locomoShop Work. tives, and considers some of their important uses. Ill. 1000 w. Sci Am-March 7, 1903. Zossen.-High-Speed Locomotive (Schnellbahn-Lokomotive). W. Reichel. Describing the Siemens & Halske locomotive operating at 10,000 volts pressure on the Berlin-Zossen high speed military railway. 6000 w. Elektrotech Zeitschr-Aug. 7, 1902. The Express Train of the Future. Describes certain features of the new locomotives which are to be tested on the Berlin-Zossen line next year. 900 W. US Cons Repts, No. 1415-Aug. 11, 1902. Enrico Bignami. IlA High-Speed Locomotive. lustrated description of the high-speed locomotive equipped for motors built for 10,000 volts, used in the tests at high-speed on the MarienfeldeZossen military line. 3300 w. Elec Rev, NYNov. 8, 1902. The Siemens & Halske High-Speed Electric Locomotive (Schnellbahn-Lokomotive von Siemens & Halske A. G.). A detailed description of the electric locomotive built by Siemens & Halske for the high-speed trials on the Marienfelde-Zossen line. 2500 W. 1 plate. Zeitschr d Ver Deutschr Ing-Nov. 15, 1902. Electric Traction. Illustrated brief description of the 10,000-volt alternating-current locomotive for the Berlin-Zossen experiments. 1000 w. Sci Am-Dec. 13, 1902. See also Siemens-Halske; ELECTRIC RAILWAY. ELECTRIC LOG. See LOG; SPEED INDICATOR. ELECTRIC MACHINERY. See also ELECTRIC APPARATUS; ELECTRIC EQUIPMENT; ELECTRIC GENERATING SET; ELECTRIC GENERATOR; ELECTRIC GENERATOR, ALTERNATING; ELECTRIC MOTOR; ELECTRIC POWER STATION; ELECTRIC STATION; HYDRO-ELECTRIC PLANT; ROTARY CONVERTER. Apparatus for Power Distribution from Central Stations. Charles F. Scott. Considers the various types of electrical machinery, particularly generators, rotary converters and motors, showing some recent types of construction, and the characteristics of their performance. Ill. 8500 w. Jour Fr Inst-April, 1901. Electric Light and Power Engineering. This first paper is a description of the construction and action of dynamos. Serial. 1st part. 3700 W. Mech Engr-Oct. 10, 1903. Accidents.-Accidents from Electrical Machinery. Abstract from a report of the British Electrical Inspector of Factories, G. Scott Ram, on electric shock and mechanical accidents. 2400 W. Mech Engr-Aug. 13, 1904. Agricultural.-See AGRICULTURAL MACHINERY -Electric. of Alter Alternating Current.-The Management Breakdowns.-Breakdowns of Electrical Machinery. See also MOTOR-Longridge Report. Characteristic Diagrams. See ELECTRIC GENERATOR, ALTERNATING-Diagrams. Compound.-See also ELECTRIC GENERATOR; Design.-Points on Determining Good Designs in Dy. ELECTRIC MACHINERY See also ELECTRIC GENERATOR DESIGN; ELECTRIC MOTOR. Düsseldorf Exposition.-Heavy Electrical Machinery at the Düsseldorf Exposition (Die Starkstromtechnik auf der Ausstellung. in Düsseldorf 1902). A. Seyfferth. A general description of the powerful generators and electrical machinery at Düsseldorf. Serial. Part I. 4000 W. Elektrotech Zeitschr-Aug. 14, 1902. Earthing.-See Grounding. Erection.-Installing Electric Machinery. Norman G. Meade. Gives a few practical hints for erecting such apparatus, with illustrations. Power -May, 1905. Field Coil Winding.-Winding Field Coils from Flat Copper Strips. Illustrates and describes a machine which winds copper ribbons edgewise into colls for the fields of electrical machines. 3000 W. Ir Age Jan. 2, 1902. Frames.-See IRON-Dynamo Frames. W. Glasgow Exposition.-Electric Machinery at the Glasgow Exhibiton. Illustrates and describes interesting exhibits. Serial. 1st part. 1400 W. Engr, Lond-July 12, 1901. See also ELECTRIC EXHIBITION; GLASGOW EXHIBITION. Grounding.-Notes on the Earthing of DynamoElectric Machinery. Arthur Bloemendal. Brief consideration of the question not only for lowpressure, but also for high-pressure installations. 1200 w. Elec Rev, Lond-March 27, 1903. See also ELECTRIC DISTRIBUTION. Heating. The Computation of Resistances, Motors and Other Details of Electric Driving (Die Berechnung von Widerständen, Motoren und Dergleichen für Aussetzende Betriebe). E. Oelschläger. Giving graphical and analytical methods of computing the various parts of a power system for given conditions and particularly the heating intermittent effects with 5000 W. operation. Elektrotech Zeitschr-Dec. 20, 1900. ELECTRIC MACHINERY Heating of Electrical Machinery Under Two Regularly Alternating Conditions of Load. Edwin Rust Douglas. The aim of the article is to show that, from a knowledge of certain constants of a machine, its performance under any unusual conditions of load may be predicted with accuracy, and to explain the determination of those constants. 2500 w. Elec Wld & Engr-May 11, 1901. See also ELECTRIC APPARATUS Standardization; ELECTRIC INDUSTRY- Regulations; ELECTRIC TESTING-Standards. History. The Development of Electric Machines (Die Entwickelung der Elektrischen Maschinen). F. Tischendörfer. Paper before the Elektrotechnische Verein, giving a general historical review of the evolution of dynamos and electric motors and their design. Illus. 8000 W. Elektrotech Zeitschr-Aug. 24, 1905. Humming. The Humming of Electrical Machines. J. Fischer Hinnen, in the "Zeitschrift für Elektrotechnik." Describes how absolutely silent run1400 w. Elec Engr, Lond ning may be secured. -Sept. 9, 1904. Insulation.-See INSULATION. Iron Loss.-Notes on Iron Loss. F. Lydall. An account of experiments undertaken to ascertain how far the Steinmetz law held good with high densities. Serial. 1st part. 1600 w. Elec Rev, Lond-June 23, 1905. See also ELECTRIC GENERATOR TEST; ELECTRIC TESTING; TRANSFORMER. Labor Saving.-See ELECTRIC STATION-Labor Saving Machinery. Losses, Separation.-The Separation of Iron and Friction Losses in Direct Current Machinery. F. Handley Page. Principally describes a modification of the Kapp method showing results obtained. 900 W. Elec Rev, Lond-Dec. 1, 1905. Mining Plants.-Dynamos and Motors, Showing the WilVarious Windings and Wire Connections. liam H. Kritzer. Illustrated article describing the most important systems suitable for mining plants. Serial. 1st part. 1400 w. Min & Sci Pr-Nov. 7, 1903. Olympia Exhibition.-Direct-Current Machinery at Olympia. P. K. Friedlander. Remarks on the machines shown at the electrical exhibition. Ills. 1800 w. Elec Engr, Lond-Sept. 29, 1905. See also ELECTRIC EXHIBITION; ELECTRIC LIGHTING. Operation.-Electrical Pointers. W. H. Wakeman. Points concerning the operation of generators and motors, wtih diagrams. 2000 W. PowerDec., 1904. Polyphase.-Poly phase Sub-Station Machinery. A. C. Eborall. Read before the Inst. of Elec. Engs., London. Discusses the equipment and operation of polyphase substations, with features of working and a comparison of different types of machinery, etc. 2 parts. 16500 w. EngngMarch 22 and 29, 1901. Polyphase Electric Working. A. C. Eborall. Howard Lecture. Deals with the machinery employed in polyphase working, discussing the leading features. The present lecture considers the design and construction of three-phase generators. Ill. Serial. 1st part. 3600 W. Jour Soc of Arts-Sept. 13, 1901. Some Notes on Polyphase Machinery. A. C. Eborall. Read before the Manchester Sec. of the Inst. of Elec. Engrs. Considers the construction and operation of standard types, discussing the latest development. Ill. Serial. 1st part. 3000 Elec Rev, Lond-April 18, 1902. W. Some Notes on Polyphase Machinery. A. C. Eborall. Read before the Manchester Sec. of the Inst. of Elec. Engrs. Discusses the construction and operation of standard types, giving full constructional details of modern plant of standard design. Ill. Serial. 1st part. 8500 w. EngngJune 6, 1902. Rating. See ELECTRIC APPARATUS Standardization. Repairs.-Emergency Repairs of Electrical Machinery on Board Ship. William Baxter, Jr. Com. siders expedients that may be resorted to temporarily until port is reached. Serial. 1st part. 2100 w. Marine Engng-Jan., 1901. |