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.