Part I. THEORY AND PRINCIPLES. Part II. PRACTICE. Part III.

TABLES AND DATA.

_Low Grade and Waste Fuels for Power Generation._ =J. B. C. Kershaw, F.I.C.= Demy 8vo. Illustrated. 17/- net.

CONTENTS.—Part I. _Fuels_: Introduction. Peat. Lignite, Bagasse and Wood Waste. Coke and Coke-Breeze. Culm and Washery. Waste. Towns’ Refuse and Garbage. Pitch. Waste Gases.—Part II. _Scientific Control_: Fuel Sampling and Testing. Calorimetric Tests. Boilers and Furnaces. Automatic CO₂ Apparatus. Index.

_Liquid and Gaseous Fuels and the Part they Play in Modern Power Production._ =Vivian B. Lewes, F.I.C., F.C.S.=, late Professor of Chemistry, Royal Naval College, Greenwich. 2nd Edition Revised and Enlarged. Edited by =J. B. G. Kershaw, F.I.C.= Ex. Crown 8vo.

_Coal._ =James Tonge, M.I.M.E., F.G.S.=, etc. Lecturer on Mining at Victoria University, Manchester. Ex. Crown 8vo. 7/6 net.

_Domestic Fuel Consumption._ =A. H. Barker, B.A., B.Sc.=, Author of “The Theory and Practice of Heating and Ventilation,” etc. Demy 8vo. 180 pp. 14/- net.

Written so as to be readily comprehensible by any person without scientific training, this book will be read with interest and profit by all who, whether for private or public purposes, are desirous of checking the present lavish waste of our fuel resources.

_Oil Firing for Kitchen Ranges and Steam Boilers._ =E. C. Bowden-Smith, M.I.Mech.E.= Demy 8vo. 9/- net.

A concise and practical account of the methods of employing heavy residues and fuel oil in a kitchen range for culinary purposes, and also for steam boilers.

Machinery, Power Plants, etc.

_Theory and Practice of Mechanics._ =S. E. Slocum. B.E., Ph.D.= Demy 8vo. 442 + xlii pages. Illustrated with diagrams, etc. 15/- net.

_Dynamometers._ =Rev. Frederick John Jervis-Smith, M.A., F.R.S.= Edited and amplified by =Charles Vernon Boys, F.R.S.= 118 Illustrations. Demy 8vo. 14/- net.

CONTENTS.—Introduction. Friction. Planimeters. Friction Brakes. Water Brakes. Air Brake. Magnetic Brake Dynamometer. End Thrust Brakes. Historical. Transmission. Dynamometers. Torsion Power Measuring Machines. Torsion Power-Measuring Machines by different Inventors. The Cradle Dynamometer. Dynamometric Tests of Motor-Car Engines. Model Ship Dynamometers used in Aeronautics.

_A Handbook of Testing._ =C. A. Middleton Smith, B.Sc., A.M.I.M.E., A.M.I.E.E.= Professor of Engineering in the University of Hong Kong, late of East London College; Author of “Lectures on Suction Gas Plants,” etc. I. MATERIALS. 2nd Edn. 14/- net. II. PRIME MOVERS. In Preparation.

_Mechanical Movements, Powers, Devices and Appliances._ =Gardner D. Hiscox, M.E.=, Author of “Gas, Gasoline, and Oil Engines,” etc. Over 400 pages. 1646 Illustrations and Descriptive Text. Demy 8vo. 18/- net.

_Mechanical Appliances._ Supplementary Volume to Mechanical Movements. =Gardner D. Hiscox, M.E.= 400 pages. About 1000 Illustrations. Demy 8vo. 18/- net.

_Mechanical Technology._ =G. F. Charnock, M.Inst.C.E., M.Inst.M.E.= Demy 8vo. 650 pages. 12/6 net.

This work, designed chiefly for engineering students, deals in a comprehensive manner with the preparation and properties of the raw material, the production of castings by taking advantage of the property of fusibility, and the production of bars, plates, forgings, etc., by utilising the properties of malleability and ductility. It is perhaps the most complete manual on the subject in any language.

_The Elements of Mechanics of Materials._ A Text-Book for Students in Engineering Courses. =C. E. Houghton, A.B., M.M.E.= Demy 8vo. 10/6 net.

_Precision Grinding._ A Practical Book on the Use of Grinding Machinery for Machine Men. =H. Darbyshire.= Pages viii + 162. Demy 8vo. 6/6 net.

_Forging of Iron and Steel._ A Text-Book for the use of Students in Colleges, Secondary Schools and the Workshop. =W. Allyn Richards.= Demy 8vo. 337 Illustrations. Price 7/6 net.

CONTENTS.—Historic Use of Iron and Steel. Iron and Steel. Equipment. Fuel and Fires. Drawing Down and Upsetting. Bending and Twisting. Splitting, Punching, and Riveting. The Uses of Blacksmiths’ Tools. Welding. Electric, Autogenous and Thermit Welding. Brazing. Tool Steel. High Speed Tool Steel. Art Ironwork. Steam and Power Hammers. Calculations. Appendix. Index.

_Water Softening and Treatment: Condensing Plant, Feed Pumps and Heaters for Steam Users and Manufacturers._ =W. H. Booth, F.G.S., M.Am.Soc.C.E.= 2nd Edn. With Tables and many Illustrations. Demy 8vo. 9/6 net.

_Dock and Lock Machinery._ =William Hunter, M.Inst.C.E.= Demy 8vo. Illustrated.

_Dies: Their Construction and Use for the Modern Working of Sheet Metals._ =Joseph V. Woodworth.= 384 pages. Demy 8vo. 31/6 net.

_Governors and the Governing of Prime Movers._ =W. Trinks, M.E.= Demy 8vo. 22/6 net.

_Shop Kinks._ A book for Engineers and Machinists, showing Special Ways of doing Better, Cheap, and Rapid Work. =Robert Grimshaw.= 4th Edn. With 222 Illustrations. Demy 8vo. 24/- net.

_Cams, and the Principles of their Construction._ =George Jepson,= Instructor in Mechanical Drawing in the Massachusetts Normal School. Demy 8vo. 12/- net.

_The Economic and Commercial Theory of Heat Power-Plants._ =Robert H. Smith, A.M.Inst.C.E., M.I.M.E., M.I.E.E.=, etc. Prof. Em. of Engineering and Mem. Ord. Meiji. Numerous Diagrams. Royal 8vo. 24/- net.

_Entropy: Or, Thermodynamics from an Engineer’s Standpoint, and the Reversibility of Thermodynamics._ =James Swinburne, M.Inst.C.E., M.I.E.E.=, etc. Illustrated with Diagrams. Crown 8vo. 5/- net.

_Compressed Air: Its Production, Uses and Applications._ =Gardner D. Hiscox, M.E.=, Author of “Mechanical Movements Powers, Devices,” etc. 5th Edn. Revised and Enlarged. 665 pages. 540 Illustrations and 44 Air Tables. Demy 8vo. 25/- net.

_Natural Sources of Power._ =Robert S. Ball, B.Sc., A.M.Inst.C.E.= With 104 Diagrams and Illustrations. Ex. Crown 8vo. 7/6 net.

Pumps

_The Efficiency of Pumps and Ejectors._ =E. C. Bowden-Smith, M.I.Mech.E.=, etc. Late Egyptian Civil Service. Demy 8vo. Illustrated. 14/6 net.

_Centrifugal Pumps._ =Louis C. Loewenstein, E.E., Ph.D.=, and =Clarence P. Crissey, M.E.= 320 Illustrations. 26/- net.

CONTENTS.—Theory of Centrifugal Pumps. Consumption of Power and Efficiency. The Calculation of Impeller and Guide Vanes. Design of Important Pump Parts. Types of Centrifugal Pumps. Testing of Centrifugal Pumps.

Iron, Steel, and other Metals

_An Introduction to the Study of Physical Metallurgy._ =Walter Rosenhain, B.A., D.Sc., F.R.S.=, Superintendent, Metallurgy Department of the National Physical Laboratory. With 32 Plates and 131 Illustrations in the Text. Demy 8vo. 12/6 net. (See p. 49.)

_The Basic Open-Hearth Steel Process._ =Carl Dichmann.= Translated and Edited by Alleyne Reynolds. 2nd Imp. Demy 8vo. Numerous Tables and Formulæ. 12/6 net.

_Iron and Steel._ An Introductory Text-Book for Engineers and Metallurgists. (Outlines of Industrial Chemistry.) =O. F. Hudson, M.Sc., A.R.C.S.=, Lecturer on Metallography, Birmingham University, with a Section on Corrosion by =Guy D. Bengough, M.A., D.Sc.=, Lecturer in Metallurgy, Liverpool University; Investigator to the Corrosion Committee of the Institute of Metals. Demy 8vo. 8/- net.

_Forging of Iron and Steel._ =W. Allyn Richards.= Demy 8vo. 337 Illustrations. 7/6 net.

CONTENTS.—Historic Use of Iron and Steel. Iron and Steel. Equipment. Fuel and Fires. Drawing Down and Upsetting. Bending and Twisting. Splitting, Punching and Riveting. The Uses of Blacksmiths’ Tools. Welding. Electric, Autogenous and Thermit Welding. Brazing. Tool Steel. High Speed Tool Steel. Art Ironwork. Steam and Power Hammers. Calculations. Appendix. Index.

_Electro-Thermal Methods of Iron and Steel Construction._ =J. B. C. Kershaw, F.I.C.= With an Introduction by =Dr. J. A. Fleming, F.R.S.= 239 + xxiii pages. 50 Tables and 92 Diagrams and Photographs. Demy 8vo. 9/- net.

_Malleable Cast Iron._ =S. Jones Parsons, M.E.= New Edn. 14/- net.

CONTENTS.—Melting. Moulding. Annealing. Cleaning and Straightening. Design. Patterns. Inspection and Testing. Supplementary Processes. Application.

_General Foundry Practice._ Being a Treatise on General Iron Founding, Job Loam Practice, Moulding and Casting of Finer Metals, Practical Metallurgy in the Foundry, etc. =William Roxburgh, M.R.S.A.= With over 160 Figures and Illustrations. Extra Crown 8vo. 8/6 net.

_Hardening, Tempering, Annealing and Forging of Steel._ A Treatise on the Practical Treatment and Working of High and Low Grade Steel. =Joseph V. Woodworth.= With 201 Illustrations. Demy 8vo. 5th Edition. 21/- net.

_Welding and Cutting of Metals by the aid of Gases or Electricity._ =Dr. L. A. Groth.= Ex. Crown 8vo. 8/6 net.

_The Precious Metals:_ Comprising Gold, Silver, and Platinum. =Thomas K. Rose, D.Sc.= Ex. Crown 8vo. 7/6 net.

Motor-Cars and Engines

_Text-Book of Motor-Car Engineering._ =A. Graham Clarke, M.I.A.E., A.M.I.M.E.=

Vol. I. CONSTRUCTION. Demy 8vo. 15/- net.

CONTENTS.—The General Principles and Construction of the Petrol Engine. Details of Engine Construction. Petrol. Fuels other than Petrol. Carburetters and Carburation. Thermodynamics of the Petrol Engine. Horse-power. Mechanical (Thermal and Combustion Efficiencies). The Principles and Construction of Coil and Accumulator Ignition. Magneto Ignition. Engine Control Systems. Engine Cooling Systems. Crank Effort Diagrams, Clutches and Brakes. Change-Speed Gears. Transmission Gear. Steering Gears. Lubricants. Lubrication. Ball and Roller Bearings. Chassis Construction. General Principles of the Steam Car. Steam Engines and Condensers. Steam Generators and Pipe Diagrams. The Electric Car. Materials used in Motor-Car Construction. Syllabus of City and Guilds of London Institute in Motor-Car Engineering. Examination Papers. Physical Properties of Petrols. Mathematical Tables and Constants.

Vol. II. DESIGN. 16/- net.

CONTENTS.—Introduction. Materials of Construction. General Considerations in Engine Design. Power Requirements. Determination of Engine Dimensions. Cylinders and Valves. Valve Gears. Pistons, Gudgeons, and Connecting Rods. Crank-shafts and Fly-wheels. The Balancing of Engines. Crank-cases and Gear-boxes. Engine. Lubrication and Cooling Arrangements. Inlet, Exhaust and Fuel Piping. Clutches and Brakes. Gearing. Transmission Gear. Frames, Axles and Springs. Torque and Radius Rods. Steering Gears.

_Henslowe’s Motor Dictionary._ Compiled by =Leonard P. Henslowe.= English-French, French-English. Tables of British and Metric Units of Measurement.

Aeronautics

_Airscrews._ =A. Fage, A.R.C.Sc., D.I.C.=, etc. Aerodynamics Department, The National Physical Laboratory. Cr. 4to. Fully illustrated. 34/- net.

_A Primer of Air Navigation._ =H. E. Wimperis, M.A.= Author of “The Internal Combustion Engine.” Cr. 8vo. Fully Illustrated. 8/6 net.

_The Resistance of the Air and Aviation._ Experiments conducted at the Champ-de-Mars Laboratory, by =G. Eiffel=. 2nd Edn. Revised and Enlarged. Translated by =Jerome C. Hunsaker=, Assistant Naval Constructor United States Navy. Over 130 Illustrations and Diagrams. Royal 4to. 42/- net.

_Dynamics of Mechanical Flight._ =Sir George Greenhill=, late Professor of Mathematics in the R.M.A., Woolwich. Demy 8vo. 6/- net.

_Aircraft in Warfare: The Dawn of the Fourth Arm._ =F. W. Lanchester, M.Inst.C.E., M.Inst.A.E.=, Member Advisory Committee for Aeronautics. With Introductory Preface by =Maj.-Gen. Sir David Henderson, K.C.B.= Medium 8vo. 12/6 net.

_Aerial Flight._ =F. W. Lanchester.=

Vol. I. AERODYNAMICS. Demy 8vo. 21/- net. 4th Edn. Revised. 460 pages. 160 Illustrations.

CONTENTS.—Fluid Resistance and Its Associated Phenomena. Viscosity and Skin Friction. The Hydronamics of Analytical Theory. Wing Form and Motion in the Periptery. The Aeroplane. The Normal Plane. The Inclined Aeroplane. The Economics of Flight. The Aerofoil. On Propulsion, the Screw Propeller, and the Power Expended in Flight. Experimental Aerodynamics.

Vol. II. AERODONETICS. Demy 8vo. 21/- net. 2nd Edition. Revised. 450 pages. 208 Illustrations.

CONTENTS.—Free Flight, General Principles and Phenomena. The Phugoid Theory. The Equations of the Flight Path. The Flight Path Plotted. Elementary Deductions from the Phugoid Theory. Stability of the Flight Path as affected by Resistance and Moment of Inertia. Experimental Evidence and Verification of the Phugoid Theory. Lateral and Directional Stability. General Conclusions. Soaring. Experimental Aerodonetics. Appendices on the Theory and Application of the Gyroscope. The Flight of Projectiles, etc.

_The Flying Machine from an Engineering Point of View._ Together with a Discussion concerning the Theory of Sustentation and Expenditure of Power in Flight. =F. W. Lanchester, M.Inst.C.E.= Demy 8vo. 5/- net.

_Stability and Equilibrium of Floating Bodies._ =Bernard C. Laws, B.Sc., A.R.C.Sc., A.M.Inst.C.E., M.I.N.A.= 130 Illustrations. Demy 8vo. 10/6 net.

Marine Engineering.

_The Gyroscopic Compass._ (“The Engineer” Library.) =T. W. Chalmers, B.Sc.=, etc. Demy 8vo. Fully illustrated. 11/- net.

_The Design of Marine Engines and Auxiliaries._ 110 Illustrations and Folding Plans. =Edward M. Bragg, S.B.= Medium 8vo. 12/6 net.

CONTENTS.—Determination of Cylinder Dimensions. Design of Engine Parts. Engine Balancing. Condensers and Air Pumps. Turning Engines and Reversing Engines.

_Hot Bulb Oil Engines and Suitable Vessels._ =Walter Pollock.= Demy 8vo. 42/- net. (See p. 10.)

_Stability and Equilibrium of Floating Bodies._ =Bernard C. Laws, B.Sc., A.R.C.Sc., A.M.Inst.C.E., M.I.N.A.= 130 Illustrations. Demy 8vo. 10/6 net.

CONTENTS.—General Considerations. Ships. Amsler’s Integrator, Submarines. Floating Docks. Aircraft. Caissons. Index.

_Practical Design of Marine Single and Double-Ended Boilers._ =John Gray= (See p. 12.)

_Ship Form, Resistance, and Screw Propulsion._ =G. S. Baker, M.Inst.Naval Architects.= Medium 8vo. 2nd Edn. Treated from the practical point of view for the use of naval architects, engineers, and draughtsmen. 16/-net.

CONTENTS.—Nomenclature. Steam Line Motion. Skin Friction Resistance. Eddy-making. Waves and Wave-making. Ship Model Experiments. Dimensions and Form. Curve of Areas. Shape and Fineness of Ends, with Parallel Body. Position of Maximum Section, and Relative Length of Entrance and Run. Midship Section Area and Shape. Level Lines and Body Plan Sections. Racing and other High Speed Vessels. Appendages. Restricted Water Channels. Screw Propeller Nomenclature and Geometry. Theories of the Screw Propeller Nomenclature and Geometry. Theories of the Screw Propeller. The Elements of Propulsion. Screw Propellers in Open Water. Propeller Blades. Hull Efficiency, Wake and Thrust Deduction. Main Engines. Cavitation. Measured Mile Trials.

_The Shipbuilding Industry._ =Roy W. Kelly and Frederick J. Allen.= Preface by =Charles M. Schwab.= Illustrated. Crown 8vo. 21/- net.

_Cold Storage, Heating and Ventilating on Board Ship._ =Sydney F. Walker, R.N.= Extra Crown 8vo. 18/- net.

_The Elements of Graphic Statics and of General Graphic Methods._ =W. L. Cathcart, M.Am.Soc.M.E.=, and =J. Irvin Chaffee, A.M.= 159 Diagrams. 21/6 net.

This book is designed for students of marine and mechanical engineering and naval architecture. It reviews the principles of graphics and their application both to frame structures and to mechanism.

_Handbook for the Care and Operation of Naval Machinery._ =Commander H. C. Dinger=, United States Navy. (See p. 57.) 3rd Edition. 21/- net.

_Turbines Applied to Marine Propulsion._ =Stanley J. Reed, A.M.Inst.C.E.= Crown 4to. Over 100 Illustrations and Diagrams. 2nd Edn. Revised. 16/- net.

CONTENTS.—General Properties of Steam—Two-Stage Rateau Turbine Nozzles. The General Design and Arrangement of Turbines. The Design and Construction of Parsons Turbine. The Design and Construction of Curtis Turbine. Combined or Mixed Turbines. Steam Thrust of Reaction Turbines. Superheated Steam. Cavitation. Relative Effect of High Vacua with Turbines and Reciprocating Engines. Utilisation of Auxiliary Engine Exhaust in the Turbines. Astern Turbines.

Hydraulics and Turbines.

_Ship Form, Resistance, and Screw Propulsion._

(See above.)

_Stability and Equilibrium of Floating Bodies._ =Bernard C. Laws, B.Sc., A.R.C.Sc., A.M.Inst.C.E., M.I.N.A.= (See p. 20.)

_Hydraulics and its Applications._ A Text-Book for Engineers and Students. =A. H. Gibson, D.Sc., M.Inst.C.E.= 2nd Edn. Revised and Enlarged. Demy 8vo. 24/- net.

“One of the most satisfactory text-books on Hydraulics extant.”—_Mechanical World._

_Hydraulics, Text-book of._ Including an Outline of the Theory of Turbines. =L. M. Hoskins=, Professor of Applied Mathematics in the Leland Stanford Junior University. Numerous Tables. Demy 8vo. 16/- net.

_Hydraulics of Pipe Lines._ =W. F. Durand=, Professor of Mechanical Engineering, Leland Stanford University, California. Demy 8vo. Illustrated.

_Water Hammer in Hydraulic Pipe Lines._ Being a Theoretical and Experimental Investigation of the Rise or Fall of Pressure in a Pipe Line, caused by the gradual or sudden closing or opening of a Valve; with a Chapter on the Speed Regulation of Hydraulic Turbines. =A. H. Gibson, D.Sc., M.Inst.C.E.= 2nd Edn. Crown 8vo. 8/- net.

_Conveyance and Distribution of Water for Water Supply._ Aqueducts, Pipe Lines and Distributing Systems. =Edward Wegmann, C.E.= A Practical Treatise for Water-Works Engineers and Superintendents. Medium 8vo. 367 Illustrations. 8 Plates. 663 pages. 32/6 net.

CONTENTS.—Part I: Water Consumption and Hydraulic Formulas. Consumption of Water. Flow of Water in Aqueducts. Flow of Water through Orifices and Pipes. Part II: Design and Construction. Wooden Pipes. Cast Iron Pipes. Wrought Iron and Steel Pipes. Pipes of Vitrified Stone Ware, Cement, and Concrete. Stresses in Water Pipes. Flexible Pipe. Joints. Submerged Pipes. Gates and Valves. Hydrants. Intake Pipes and Tunnels. Aqueducts. Description of Aqueducts. Service Reservoirs. Stand Pipes. Cylindrical Tanks of Wood or Steel. Fire Protection. High Pressure Water Systems. Distribution Systems. Part III: Maintenance and Operation. Service Pipes and Connections. Cleaning Aqueducts and Water Mains. Thawing Frozen Pipes and Hydrants. Leakage from Aqueducts, Mains, and Service Pipes. Durability of Wooden and Metal Pipes. Electrolysis. Tools and Machines for Pipe Work. Detection and Prevention of Waste of Water. Pitot Tube Gauging. Water Meters. Recording Instruments. Appendix I: Standard Specifications of American Water Works Association for “Cast Iron Water Pipe and Special Castings.” Tables of Wrought Iron, Steel, and _Universal_ Cast Iron Pipes. Appendix II: Standard Specifications of American Water Works Association for Hydrant and Valves. Appendix III: Standard Specifications of Association of American Steel Manufacturers for “Structural and Boiler Steel.” Appendix IV: Special Fire Protection for Buildings. Appendix V: Fire Steam Tables prepared by National Board of Fire Underwriters. Index.

_Hydraulic Tables for the Flow of Water in Circular Pipes under Pressure, Timber Flumes, Open Channels and Egg-shaped Conduits._ =Joseph H. Harper, C.E.= Crown 8vo. 192 pages. With 22 Charts. 8/6 net.

_Water Pipe and Sewage Discharge Diagrams._ =T. C. Ekin, M.Inst.C.E., M.I.M.E.= (See p. 31.)

_Hydroelectric Developments and Engineering._ A Practical and Theoretical Treatise on the Development, Design, Construction, Equipment and Operation of Hydroelectric Transmission Plants. =Frank Köester.= 42/- net.

_Modern Turbine Practice and Water Power Plants._ With Terms and Symbols used in Hydraulic Power Engineering. =John Wolf Thurso=, Civil and Hydraulic Engineer. Royal 8vo. 21/- net.

Mining.

_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. (See p. 34.)

_Physics and Chemistry of Mining and Mine Ventilation._ A Practical Handbook. =Joseph J. Walsh.= Extra Crown 8vo. Second Revised and Enlarged Edition. 12/6 net.

CONTENTS.—Matter. Motion, Velocity and Force. Gravitation. Liquids and Liquid Pressure. Heat. Gases. The Barometer. Specific Heat. Air Analysis. Mine Ventilation. Formulas. Mine Fires.

_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.= Demy 8vo. 12/6 net.

CONTENTS.—Electricity in Mines. Cables. Coal Cutters and Underground Details. Haulage Gears. Rating of Haulages. Winding Engines. Types of Electric Winders. Ventilation and Air Compressing. Pumping. Rolling Mills. Machine Tools and Cranes, Electric Welding and Furnaces.

Railway Engineering.

_Railway Maintenance Engineering._ With Notes on Construction. =William H. Sellew, A.S.M.E.=, Author of “Steel Rails, their History, Properties, Strength and Manufacture,” Member of the American Railway Engineering Association. Extra Crown 8vo. 194 Illustrations. 19/- net.

CONTENTS.—Engineering. Land. Grading. Bridges, Trestles and Culverts. Ties. Rails. Other Track Material. Ballast. Maintaining Track and Right of Way. Station and Roadway Buildings. Water Stations. Fuel Stations. Shops and Engine Houses. Icing Stations. Signals and Interlockers.

_Locomotive Valves and Valve Gears._ =J. H. Yoder= and =G. B. Wharen=. Fully Illustrated. Large 8vo. 14/- net.

CONTENTS.—Common D Slide Valve. Valve Events. Description of Slide Valve and Its Seat. Special Designs of Slide Valves. Balancing the Slide Valve. The Piston Valve. Piston Valve for Balanced Compound Locomotives. The Stephenson Valve Gear. Effects of Raising or Lowering the Link. The Walschaert Valve Gear. Construction and Development. Description of Parts. Operating Parts of the Gear. Relative Crank Pin and Piston Positions for Different Valve Events at Full Forward Gear. Relative Crank Pin and Positions for Different Valve Events at the Running Cut-off Position. Distortions of the Walschaert Valve Gear. Layout of Walschaert Gear. Baker Locomotive Valve Gear. The Young Locomotive Valve, Valve Gear and Reverse Gear. The Gooch Stationary Link. The Allen Valve Gear. Effects of Altering the Valve and Its Events. Locomotive Valve Setting. Stephenson Gear. Walschaert Gear. Rules for Valve Setting. Baker Locomotive Valve Gear. Summary. The Indicator Diagram and its Application. Application of the Diagram. Horse Power of Locomotives. Tractive Force of Two-cylinder Compound Locomotives. Tractive Force of Mallet Articulated Compound Locomotives. Classification of Locomotives.

_Oil Fuel Equipment for Locomotives._ =Alfred H. Gibbings, A.M.Inst.C.E.= Demy 8vo. Tables. 8/6 net.

_Steel Rails: Their History, Properties, Strength and Manufacture._ With Notes on the Principles of Rolling Stock and Track Design. =William H. Sellew.= 361 Illustrations. 33 Folding Plates. 576 pages. 52/- net.

CONTENTS.—Development of the Present Section. Pressure of the Wheel on the Rail. Supports of the Rail. Stresses in the Rail. Strength of the Rail. Influence of Detail of Manufacture. Rail Specifications. Appendix.

_Solution of Railroad Problems by the Slide Rule._ =E. R. Cary, M.Am.S.C.E.= 43 Diagrams. 4/6 net.

_The Practical Railway Spiral._ With short Working Formulas and Full Tables of Deflection Angles. Complete Notes of Illustrative Examples. =L. C. Jordan, B.S.= 6/- net.

_The Transition Spiral._ =A. L. Higgins, A.R.C.S.= Crown 8vo. Illustrated. About 7/6 net.

_Single-Phase Electric Railways._ =E. Austin.= Demy 4to. 346 Illustrations. 21/- net. (See p. 33.)

_Reinforced Concrete Railway Structures._ =J. D. W. Ball, A.M.Inst.C.E.= Demy 8vo. 9/- net. (Glasgow Text-Books of Civil Engineering.)

CONTENTS.—Preliminary Considerations. Bending Stresses. Shear Stress. Floors and Buildings. Foundations and Rafts. Retaining Walls. Bridges. Arched Bridges. Sleepers, Fence Posts, etc. Summary of Notation.

_The Design of Simple Steel Bridges._ =P. O. G. Usborne=, _late_ =R.E.= 12/6 net.

CONTENTS.—Definitions. Bending Moments. Moments of Flexure. Moments of Resistance. Shear Deflection. Solid Beams and Examples. Struts and Ties. Rivets and Joints. Rolling Loads. Bending Moments, Shear Stresses. Loads. Plate Girders. Bridge Floors. Railways, Roads. Principles of Bridge Design. Plate Girders. Parallel Braced Girders. Braced Girders (2). Shop Practice and General Details.

_Reinforced Concrete Bridges._ =Frederick Rings, M.S.A., M.C.I.= (See p. 26.)

_Railway Signal Engineering (Mechanical)._ =Leonard P. Lewis=, of the Caledonian Railway, Glasgow. Illustrated. Demy 8vo. 2nd Edition. (Glasgow Text-Books of Civil Engineering.) 14/- net.

CONTENTS.—Introduction. Board of Trade Rules. Classes and Uses of Signals. Constructional Details of Signals. Point Connections. Interlocking Apparatus. Signal Box Arrangements. Miscellaneous Apparatus. Signalling Schemes. Interlocking Tables, Diagrams, etc. Methods of Working Trains. Appendix.

_Railway Terms. Spanish-English, English-Spanish, Dictionary of._ =André Garcia.= 12/6 net.

_The Railway Locomotive: What it is, and Why it is What it is._ =Vaughan Pendred, M.I.M.E., M.I. and S.Inst.= Extra Crown 8vo. 7/6 net.

_Earthwork in Railway Engineering._ =J. W. P. Gardner, M.I.C.E.= Demy 8vo.

_The Field Engineer._ =William Findlay Shunk.= 21st Edn. Revised and Enlarged. Foolscap 8vo. Leather. 14/- net.

Reinforced Concrete and Cement.

_A Treatise on Cement Specifications._ Including the General Use, Purchase, Storage, Inspection and Test Requirements of Portland, Natural, Puzzolan (slag), and Silica (sand) Cement, and Methods of Testing and Analysis of Portland Cement. =Jerome Cochran, B.S., C.E., M.C.E.=, Author of “Inspection of Concrete Construction,” etc. Demy 8vo. 100 pages. 6/- net.

_Reinforced Concrete Railway Structures._ =J. D. W. Ball, A.M.Inst.C.E.= (See p. 25.)

_Reinforced Concrete Bridges._ =Frederick Rings, M.S.A., M.C.I.= Over 300 Illustrations and Diagrams. Imperial 8vo. 21/- net.

CONTENTS.—List of Symbols. Introductory. Bending Moments, Stresses and Strains. Loads on Bridges and External Stresses. Culverts, Coverings, Tunnels, etc. Beam Bridges. Calculation of Girder Bridges. Examples of Girder Bridges. Design of Arched Bridges and Abutments. Theory of the Arch. Examples of Arched Bridges. Formulæ, Notes, Schedules and other useful information.

_Reinforced Concrete Diagrams._ =J. Williamson.= Imperial 8vo. 48 pages. 18 Diagrams. 12/- net.

_A Manual of Cement Testing._ For the use of Engineers and Chemists in Colleges and in the Field. =W. A. Richards, B.S. in M.E.=, and =H. B. North, D.Sc.= 137 + x pages. 54 Diagrams. Demy 8vo. 11/- net.

_Manual of Reinforced Concrete._ 3rd Edn. Re-written and Enlarged, with the addition of much useful information and many New Tables and Diagrams. =Charles F. Marsh, M.Inst.C.E., M.Am.Soc.E., M.I.Mech.E.= and =William Dunn, F.R.I.B.A.= Pocket size. Limp Cloth. 500 pages. 79 Tables of Data and 191 Diagrams. 14/- net.

_A Concise Treatise on Reinforced Concrete._ A Companion to “The Reinforced Concrete Manual.” =Charles F. Marsh, M.Inst.C.E., M.Am.Soc.E., M.I.Mech.E.= Demy 8vo. 12/6 net.

_Properties and Design of Reinforced Concrete._ Instructions, Authorised Methods of Calculation, Experimental Results and Reports by the French Government Commissions on Reinforced Concrete. =Nathaniel Martin, A.G.T.C., B.Sc., A.M.Inst.C.E.=, former Lecturer on Reinforced Concrete in the Royal West of Scotland Technical College. 8/- net.

_Reinforced Concrete Compression Member Diagram._ A Diagram giving the loading size and reinforcements for compression members according to the data and methods of Calculation recommended in the Second Report of the Joint Committee on Reinforced Concrete. =Charles F. Marsh, M.Inst.C.E., M.Am.Soc.E., M.I.Mech.E.= In Cloth covers, mounted on Linen, 5/- net. Unmounted, 3/6 net.

_Cement, Concrete and Bricks._ =A. B. Searle.= (See p. 43.)

Civil Engineering, Building Construction, etc.

_Civil Engineers’ Pocket Book._ A Reference-Book for Engineers, Contractors and Students, containing Rules, Data, Methods, Formulæ and Tables. =A. I. Frye, S.B., M.Am.S.C.E.= 26/- net.

_Some Modern Methods of Ventilation._ With special reference to Public Buildings: Standards of Ventilation, Design of Ducts, Selection of Fans, Washers, and Heaters, Specifications, Test Forms, and Specimen Schedules for Designers. =Ronald Grierson, A.M.I.Mech.E., A.M.I.E.E.= Demy 8vo. 8/6 net.

CONTENTS.—The General Principles of Ventilation. The Apparatus Employed Considerations to be observed in the Design of the Air Circuit. Ducts and Registers. Fans. Air Washing and Humidifying Plant (Filters). Heaters. Ozone. Instruments. Guarantees for Complete Installations. Tests. Motor Drives. Suggested Schedules for Designing Complete Installation. Purchase Specifications. The Application of Wet Air Filters to the Cooling of Electrical Machinery.

_A Treatise on Cement Specifications._ =Jerome Cochran, B.S., C.E., M.C.E.= (See p. 26.)

_The Principles of the Application of Power to Road Transport._ =H. E. Wimperis, A.M.Inst.C.E., A.M.I.E.E.= Illustrated. Crown 8vo. 5/- net.

_The Design of Simple Steel Bridges._ =P. O. G. Usborne=, _late_ =R.E.= (See p. 25.)

_The Elements of Structural Design._ =Horace R. Thayer.= Medium 8vo.

Vol. I. ELEMENTS. 18/- net.

Vol. II. DESIGN OF SIMPLE STRUCTURES. Discusses the design of simple structures, such as beams, girders, viaducts, trusses, buildings, stand pipes, and elevated tanks. 500 pages. 16/- net.

_Reinforced Concrete Railway Structures._ =J. D. W. Ball, A.M.Inst.C.E.= (See p. 25.)

_Practical Design of Steel-Framed Sheds._ =Albert S. Spencer.= Royal 8vo. 12/- net.

CONTENTS.—The Resistance of Steel-Framed Sheds to Wind Forces. The Standardisation of Shed Members and Foundations. Sheeted Sheds. Standard Sections for Sheds with Open Sides and Gables. Sheeted Roofs. Standardising of Shed Members and Foundations for Sheds having Slated Roofs and Brick-panelled Walls. Standard Sections for Sheds with Open Sides and Gables. Slated Roofs. Standard Stresses and Sections for Roof Principals. External Coverings. Gutters, Pipes, Ventilation, Doors, Windows and Skylights.

_A Study of the Circular-Arc Bow-Girder._ =A. H. Gibson, D.Sc., A.M.Inst.C.E., M.I.Mech.E.=, and =E. G. Ritchie, B.Sc.= 10/6 net.

_Masonry Applied to Civil Engineering._ A Practical Treatise on the Design and Construction of Engineering Works in Stone and Heavy Concrete. =F. Noel Taylor, M.Inst.C.E.=, Author of “A Manual of Civil Engineering Practice.” 242 pages. Demy 8vo. 7/6 net.

CONTENTS.—Stones used in Constructional Work. General Remarks upon Masonry. Retaining Walls and Earth Pressures. Dock, River, Canal and Sea Walls. Masonry Dams. Masonry Bridges and Arches. Masonry Towers, etc. Monolithic and Block Concrete Construction. Shoring and Underpinning. Index.

_Foundations and Machinery Fixing._ =Francis H. Davies, A.M.I.E.E.= 2/6 net.

CONTENTS.—The Functions of Foundations, Nature of Soils and Piling. Trial Bores. Design of Foundations. Design. The Proportions of Foundations for Engines, Turbines and Dynamo. Electric Machinery. Materials for Foundations. Holding Down Bolts and Anchor Plates. Excavation. Construction of Foundations. Vibration: Its Causes and Effects. Vibration. Methods of Isolating Machinery. The Fixing of Electric Motors.

_Graphical Determination of Earth Slopes, Retaining Walls and Dams._ =Charles Prelini, C.E.=, Author of “Tunnelling.” Demy 8vo. 8/6 net.

_Rainfall, Reservoirs and Water Supply._ =Sir Alexander Binnie, M.Inst.C.E., etc.= (See p. 30.)

_Timber._ =J. E. Baterden, Assoc.M.Inst.C.E.= Extra Crown 8vo. 7/6 net.

_Pricing of Quantities._ Showing a Practical System of Preparing an Estimate from Bills of Quantities. =George Stephenson=, Author of “Repairs,” “Quantities,” etc. Extra Crown 8vo. 5/- net.

_Building in London._ A Treatise on the Law and Practice affecting the Erection and Maintenance of Buildings in the Metropolis. =Horace Cubitt, A.R.I.B.A.=, etc. Illustrated, with Diagrams. Royal 8vo. 31/6 net.

_Theory and Practice of Designing._ A progressive course of instruction in various branches of structural design. With numerous Illustrations. =Henry Adams, M.Inst.C.E., M.I.M.E.= 7/6 net.

“… We recommend it heartily, alike as a text-book or a handy work of reference.”—_Mechanical Engineer_.

Surveying, etc.

_Adjustment of Observations by the Method of Least Squares._ With Application to Geodetic Work. =Professor Thomas Wallace Wright, M.A., C.E.=, and =John Fillmore Hayford, C.E.=, Chief of the Computing Staff U.S. Coast and Geodetic Survey. With Tables. 2nd Edn. Demy 8vo. 30/- net.

_Surveying and Field Work._ =J. Williamson, A.M.Inst.C.E.= Demy 8vo. 9/- net.

CONTENTS.—Surveying. Fundamental Principles. Chain Surveying Instruments—Chain Surveying. Field Operations—Chain Surveying. Running a Survey Line—Chain Surveying. Arrangement of Survey Lines—Chain Surveying. Errors—Chain Surveying. Special Problems. Plotting the Plan. Compass and Sextant Surveying. The Theodolite. Traverse Surveying with the Theodolite. Plotting a Traverse Survey by Angle and Distance. Plotting Traverse Survey by Co-ordinate or Latitude and Departure Method. Triangulation. Some Survey, Traverse and Triangulation Problems. Levelling. Errors in Levelling. Sections, Contours, etc. Setting out Curves, etc. Calculation of Areas. Calculation of Earthwork Quantities—Adjustment of Instruments. Appendix. Geometric and Trigonometric Formulæ. Index.

_Practical Surveying._ For Surveyors’ Assistants and Students. =Ernest McCullough, C.E.=, Member of the American Society of Civil Engineers. Extra Crown 8vo. 229 Illustrations. 12/- net.

_The Transition Spiral._ =A. L. Higgins, A.R.C.S.= Crown 8vo. Illustrated. About 7/6 net.

Municipal Engineering.

_The Efficiency of Pumps and Ejectors._ =E. C. Bowden-Smith, M.I.Mech.E.=, etc. Late Egyptian Civil Service. Demy 8vo. Illustrated. (See p. 17.) 14/6 net.

_Water Purification and Sewage Disposal._ =Dr. J. Tillmans=, Director of the Chemical Department of the Municipal Institute of Hygiene, Frankfort-on-Maine. Translated by =Hugh S. Taylor, M.Sc.= 144 + xv pages. Demy 8vo. 9/- net.

_Sewage Disposal Work: Design, Construction and Maintenance._ Being a Practical Guide to Modern Methods of Sewage Purification. =Hugh P. Raikes, M.Inst.C.E.= Demy 8vo. 16/- net.

_The Encyclopædia of Municipal and Sanitary Engineering._ Edited by =W. H. Maxwell, A.M.Inst.C.E.=, Borough and Waterworks Engineer, Tunbridge Wells Corporation, etc. In one volume. Cloth. 42/- net.

_Rainfall, Reservoirs and Water Supply._ =Sir Alexander Binnie.= 9/- net.

CONTENTS.—Rainfall. Average. Fluctuations. Probable Average. Flow from the Ground. Intensity of Floods. Evaporation. Quantity and Rate per Head. Quality, Hardness, etc. Impurities. Filtration. Sources of Supply. Gravitation _versus_ Pumping. Rivers and Pumping Works. Drainage Areas. Deductions from Rainfall. Compensation. Capacity of Reservoirs. Sites of Reservoirs. Puddle Trenches. Concrete Trenches. Base of Embankment. Reservoir Embankments. Puddle Wall. Formation of Embankment. Masonry Dams. Reservoir Outlets. Pipes through Embankment. Culvert under Embankment. Flow through Culverts. Valve Pit. Central Stopping. Tunnel Outlets. Syphon Outlets. Flood or Bye-channel. Waste Watercourse and Waste Weir. Aqueducts. Conduits. Pipes. Service Reservoir. Distribution. Valves. Meters. House Fittings. Index.

_Conveyance and Distribution of Water for Water Supply._ =Edward Wegmann, C.E.= Medium 8vo. 367 Illustrations. 8 Plates. 26/- net. (See page 22.)

_Refuse Disposal and Power Production._ =W. F. Goodrich.= Demy 8vo. 16/- net.

_Small Dust Destructors for Institutional and Trade Refuse._ =W. F. Goodrich.= Demy 8vo. 4/- net.

_British Progress in Municipal Engineering._ =William H. Maxwell, A.M.Inst.C.E.= Super-Royal 8vo. 6/- net.

_Water Pipe and Sewage Discharge Diagrams._ =T. C. Ekin, M.Inst.C.E., M.I.Mech.E.= Folio. 6/- net.

These diagrams and tables with accompanying descriptive letterpress and examples are based on Kutter’s formula with a coefficient of roughness of 0·013 and give the discharges in cubic feet per minute of every inch diameter of pipe from 3 to 48 inches when running full on inclinations from 1 to 15 per 1000.

_Water: its Purification and Use in the Industries._ =W. W. Christie, M.Am.S.M.E.=, etc. 230 pages. 79 Illustrations. 12/6.

_Modern Sanitary Engineering._ =Gilbert Thomson, M.A., M.Inst.C.E.= Part I. HOUSE DRAINAGE. Demy 8vo. Vol. I. 2nd Edition. (Glasgow Text-Books of Civil Engineering.) 16/- net.

CONTENTS.—Introductory. The Site and Surroundings of the House. The General Principles of Drainage Design. Materials for Drains. The Size of Drains. The Gradient of Drains. Drain Flushing Traps: Their Principle and Efficacy. Traps: Their Number and Position. “Disconnections.” Intercepting Traps and Chambers. Inspection Openings and Manholes. Soil, Waste and Connecting Pipes. Water Closets. Flushing Cisterns and Pipes. Urinals. Baths. Lavatory Basins. Sinks, Tubs, etc. Trap Ventilation. Designing a System of Drainage. Buildings of Special class. Test and Testing. Sanitary Inspections. Sewage Disposal for Isolated Houses. Index.