_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.
_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.
_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.