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.