Electrical Engineering.

Single-Phase Electric Railways. E. Austin. Over 290 pages. 346 Illustrations. 21/- net.

Contents.—The Single-Phase System. The London, Brighton and South Coast Railway. The Midland Railway. The Midi Railway. The Blankenese-Hamburg-Ohlsdorf Railway. The Dessau-Bitterfeld Railway. The Murnau-Oberammergau Railway. The Mittenwald Railway. The St. Polton-Mariazell Railway. The Martigny-Orsières Railway. The Valle-Maggia Railway. The Rhætian Railway. The Lötschberg-Simplon Railway. The Rotterdam-Scheveningen Railway. The Thamshavn-Lokken Railway. The Rjukan Railway. The Swedish State Railways. The Parma Single-Phase Tramways. The New York, New Haven and Hartford Railway. The New York, Westchester and Boston Railway. The Spokane and Inland Empire Railway. The Rock Island and Southern Railway. The Hoosac Tunnel Railway. The St. Clair Tunnel Railway.

Application of Electric Power to Mines and Heavy Industries. W. H. Patchell, M.Inst.C.E., M.I.M.E., M.Am.I.E.E. ([See p. 23.])

Overhead Transmission Lines and Distributing Circuits: Their Design and Construction. A very thorough and much-needed Treatise dealing exhaustively with this important subject. F. Kapper. Translated by P. R. Friedlaender, M.I.E.E. Crown 4to. Fully Illustrated. 16/- net.

Contents.—Conductor Materials. Sag and Tension of the Line. Design of the Supporting Structures. Stability of Poles and Masts. The Forces on the Foundation Piece. Fixing the Poles in the Ground. Concrete and Cement Foundation Work. Pole Construction. Overhead Line insulators. Attachment of the Insulators to their Pins. Attachment of the Wire to the Insulators. Joints and Branch Connections on the Wire. Arrangement of the Wires. Earthing. Crossing over Postal Wires, Railways and Roads. Erection of Poles and Masts. Erecting the Wire. Rules and hints for the Design and Erection of Overhead Lines. Instruments for Surveying and Laying out the Route of a Line. Surveying the Route of a Transmission Line. The Most Economical Length of Span. Comparison of the various Supporting Structures with Reference to the Minimum Annual Charges. Local Overhead Distributing Systems. Agreements with Contractors. Tools and Appliances. Regulations dealing with the Erection and Operation of Overhead Lines.

Electric Mine Signalling Installations. A Practical Treatise on the Fitting-up and Maintenance of Electrical Signalling Apparatus in Mines. G. W. Lummis Paterson. Crown 8vo. 140 Illustrations. 5/- net.

Contents.—Ringing Keys and Tappers. Electric Mining Bells, Signal Alarms and Relays. Electric Mining Indicators or Annunciators. Electric Generators for Mine Signal Installations. Primary Batteries for Signal Installations. Electric Mining Shaft Signals. Electric Shaft Signal Wiring. Electric Engine Plane Signals. Electric Engine Plane Signal Wiring. Appendix.

Electric Welding and Welding Appliances. H. Carpmael. Imperial 8vo. Illustrated. (The Engineer Series.) 18/- net.

Contents.—Introduction. The Bernardos Carbon Arc Process. Resistance Welding. Arc Welding at Steel Barrel Works. The Pontelec Methods and Machines. The Quasi-Arc Process. Resistance Welders of the British Insulated and Helsby Cables, Ltd. Machines and Apparatus for Arc Welding. Resistance Welders of the Electric Welding Co., Ltd. Some Large American “Spot” Welders. Oil Drum Making by Resistance Welding. Resistance Welders of the A1 Manufacturing Co., Ltd. The strength of Electric Welds. A large British “Spot” Welding Machine. The “Plastic-Arc” Welding System. The “A.C.” System of Arc Welding. Index.

Transmission Line Formulas. For Electrical Engineers and Engineering Students. H. B. Dwight, A.M.Am.I.E.E. 143 pages. 28 Diagrams. 12/6 net.

Electric Cooking, Heating, Cleaning, etc. Being a Manual of Electricity in the Service of the Home. “Housewife” (Maud Lancaster). Edited by E. W. Lancaster, A.M.Inst.C.E., M.Inst.E.E. Fully Illustrated. 338 + x pages. Demy 8vo. 4/- net.

Electric Mechanism. Part I. Single-Phase Commutator Motors. F. Creedy, A.C.G.I., A.M.I.E.E., Assoc. Am.I.E.E. Demy 8vo. 7/6 net.

Industrial Electrical Measuring Instruments. Kenelm Edgcumbe, M.Inst.C.E., M.I.E.E. Demy 8vo. 430 pages. 260 Illustrations. 16/- net. 2nd Edition, entirely Re-written and Enlarged.

Contents.—Errors and Accuracy. Constructional Details. Measurement of Resistances and Insulation. Potentiometers. Standard Methods of Current and Pressure Measurement. Moving Iron. Moving Coil. Hot Wire. Induction and Dynamometer Ammeters and Voltmeters. Electrostatic Voltmeters. Power Measurement. Dynamometer, Induction, Electrostatic and Hot-wire Wattmeters. Idle or Reactive Component Meters. Phase or Power Factor Meters. Phase Rotation Indicators. Frequency Meters. Fault and Leakage Detectors. Synchronising Devices. Pyrometers. Instrument Transformers. Graphic or Recording Instruments. Electrical Speed Indicators. Oscillograph and other Wave Form Indicators. Live Main or Charge Indicators. Earth-plate Testing Sets. Rail-bond Testing Sets. Cell-testing Voltmeters. Motor-Car Voltmeters and Ammeters. Voltage and Current Relays. Measurement of the Starting Current of a Motor. Paralleling. Compensated and Crest or Peak Voltmeters.

Calculation of Electrical Conductors. W. T. Taylor, M.Inst.C.E. Imperial 8vo. 32 pages. Diagrams in the Text. Chart at the end. 10/6 net. The Chart sold separately, 2/- net.

Solenoids, Electromagnets and Electromagnetic Windings. Charles Underhill, A.M.A.I.E.E. 346 pages. 218 Illustrations. Demy 8vo. 2nd Edn. Revised. 10/6 net.

Switches and Switchgear. R. Edler. Translated, Edited and Adapted to English and American Practice by Ph. Laubach, A.M.I.E.E. Fully Illustrated. Demy 8vo. 16/- net.

Contents.—General Remarks on the Design of Switchgear. Connecting Leads. Cable Sockets. Connections. Copper Bars. Contact Blocks. Bolts. Contact Springs and Brushes. Carbon Contacts. Devices to Eliminate Sparking at the Main Contacts. Switches and Change-over Switches for Low Pressure and Medium Pressure. High Pressure Switches. Fuses. Self-Acting Switches (Automatic Switches). Starting and Regulating Resistances. Controllers.

High and Low Tension Switchgear Design. A. G. Collis, A.M.I.E.E. Demy 8vo. 94 Illustrations. 12/- net.

Foster’s Electrical Engineer’s Pocket Book. A Handbook of Useful Data for Electricians and Electrical Engineers. Edited by Horatio A. Foster, M.A.I.E.E., M.A.S.M.E. With the Collaboration of Eminent Specialists. 5th Edition, completely Revised and Enlarged. Pocket size. Leather bound. With thumb index. Over 1600 pages. Illustrated. 36/- net.

The Propagation of Electric Currents in Telephone and Telegraph Conductors. J. A. Fleming, M.A., D.Sc., F.R.S. 21/- net. ([See p. 32.])

Dynamo Laboratory Manual. W. S. Franklin and William Esty.

Vol. I. Direct-Current Studies and Tests. 12/- net.

Elementary Electricity and Magnetism. W. S. Franklin and Barry MacNutt. 9/- net.

The Electrical Conductivity and Ionization Constants of Organic Compounds. Heyward Scudder, B.A., B.S., M.D. Royal 8vo. 568 pages. 17/6 net.

Electricity: A Text-book of Applied Electricity. H. M. Hobart, B.Sc., M.Inst.C.E. With 43 Tables and 115 Illustrations. Demy 8vo. 6/6 net.

Advanced Theory of Electricity and Magnetism. W. S. Franklin and Barry MacNutt. 16/6 net.

Elements of Electricity and Magnetism. W. S. Franklin and Barry MacNutt. 12/- net.

The Elements of Electrical Engineering. W. S. Franklin.

Vol. I. Direct and Alternating Current Machines and Systems. 28/- net.

Vol. II. Electric Lighting and Miscellaneous Applications of Electricity. 20/- net.

Heavy Electrical Engineering. H. M. Hobart, B.Sc., M.Inst.C.E. Illustrated with Diagrams, etc. Demy 8vo. 16/- net.

Electric Railway Engineering. H. F. Parshall, M.Inst. C.E., etc., and H. M. Hobart, B.Sc., M.Inst.C.E. 476 pages and nearly 600 Diagrams and Tables. Imperial 8vo. 42/- net.

American Electric Central Station Distribution Systems. Harry Barnes Gear, A.M.A.I.E.E., and Paul Francis Williams, A.M.A.I.E.E. Demy 8vo. 2nd Edn. Revised and Enlarged. 18/- net.

Hydroelectric Developments and Engineering. A Practical and Theoretical Treatise on the Development, Design, Construction, Equipment and Operation of Hydroelectric Transmission Plants. Frank Köester. 479 pages. 500 Illustrations. 45 Tables. Imperial 8vo, 42/- net.

Steam-Electric Power Plants. A Practical Treatise on the Design of Central Light and Power Stations and their Economical Construction and Operation. Frank Köester. 474 pages. Fully Illustrated. Crown 4to. 31/6 net.

Electric Power and Traction. F. H. Davies, A.M.I.E.E. With 66 Illustrations. Extra Crown 8vo. 7/6 net.

Laboratory and Factory Tests in Electrical Engineering. George F. Sever and Fitzhugh Townsend. 2nd Edn. Thoroughly revised. 282 pages. Demy 8vo. 10/6 net.

The Theory of Electric Cables and Networks. Alexander Russell, M.A., D.Sc. 2nd Edn. Entirely Revised and largely Re-written. 24/- net.

Testing Electrical Machinery. J. H. Morecroft and F. W. Hehre. 15/- net.

Continuous Current Engineering. Alfred Hay, D.Sc., M.I.E.E. 2nd Edn. A New and Revised Edition of this Popular Text-Book. 30 pages. 183 Illustrations. Demy 8vo. 9/6 net.

Contents.—Electrical Units. Electromagnets. Magnetism. Hysteresis. Measuring Instruments. Dynamo Construction. Dynamo Used as Motor. Construction and Management of Motors. Secondary Cells and Their Uses. The Electric Arc. Mercury Vapour Lamps. Incandescent Lamps. Photometry. Switches. Conductors. Insulation.

Direct and Alternating Current Testing. Frederick Bedell, Ph.D., Professor of Applied Electricity, Cornell University. Assisted by Clarence A. Pierce, Ph.D. Enlarged and Revised Edn. Demy 8vo. 11/- net.

Internal Wiring of Buildings. H. M. Leaf, M.I.M.E., etc. 3rd Edn. Crown 8vo. 3/6 net.

Electric Lamps. Maurice Solomon, A.M.I.E.E. 7/6 net.

Contents.—The Principles of Artificial Illumination. The Production of Artificial Light. Photometry. Methods of Testing. Carbon-Filament Lamps. The Nernst Lamp. Metallic-Filament Lamps. The Electric Arc. The Manufacture and Testing of Arc Lamp Carbons. Arc Lamps. Miscellaneous Lamps. Comparison of Lamps of Different Types.

The Range of Electric Searchlight Projectors. Jean Rey, Ingenieur Civil des Mines Lauréat de l’Institut. Authorised translation by J. H. Johnson, M.Inst.E.E., Assoc. A.I.E.E. 34 Illustrations and Diagrams. 12/6 net.

Contents.—Part I: Illumination by Electric Searchlight Projectors. Determination of the Luminous Flux Emitted by an Electric Arc. Theoretical Illumination obtained with a Specified Reflector. Efficiency of Electric Searchlight Projectors. Practical Value of the Illumination from Searchlight Projectors. Searchlights with Mangin Mirrors. Part II: Range of Electric Searchlight Projectors. General Remarks. General Law giving the Value of the Range apart from the Visual Sharpness. Practical Application of the Law of Ranges, apart from the Visual Acuity. Practical Examples and Problems in respect of the Range. The Variation in the Range with the Size of the Searchlight and the Atmospheric Transparency. Visual Acuity of Sharpness. Appendices and Index.

Searchlights: Their Theory, Construction and Application. F. Nerz. Translated from the German by Charles Rodgers. Royal 8vo. 7/6 net.

Essentials of Electrical Engineering. John Fay Wilson. Royal 8vo. 282 Illustrations. 16/- net.

Contents.—The Electric Circuit. Magnetism and Magnetic Induction. Practical Construction of the Dynamo. The Continuous Current Generator. The Continuous Current Motor. Losses, Efficiencies and Ratings of Continuous Current Dynamos. Polyphase Alternating Currents. The Alternating Current Generator. The Synchronous Motor. Current Rectifying Apparatus. The Transformer. Transformer Connections. The Induction Motor. Single-phase Commutating Motors. Electric Lamps. Circuit Interrupting Apparatus. Meters. Power Transmission and Distribution. The Storage Battery. Harmonic Quantities. Inductance. Capacity. The Complex Quantity. Admittance, Conductance and Susceptance. Resuscitation from Electric Shock.

Electric Wiremen’s Manuals. ([See p. 7.])