“There should be a strong demand for this concise treatise.” --_Page’s Weekly._ * * * * * LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND. * * * * * Nearly Ready. In Handsome Cloth. With 252 Illustrations. THE THEORY OF THE STEAM TURBINE. A Treatise on the History, Development, and Principles of Construction of the Steam Turbine. By ALEXANDER JUDE. Contents.--The Theory of the Steam Turbine.--Historical Notes on Turbines.--The Velocity of Steam.--Types of Steam Turbines.-- Practical Turbines.--The Efficiency of Large Turbines.--The Trajectory of the Steam.--Efficiency of Turbines.--Turbine Vanes. --Disc Friction in Turbines.--Specific Heat of Superheated Steam.-- Governing Steam Turbines.--Steam Consumption of Turbines.--The Whirling of Shafts.--Bibliography.--INDEX. * * * * * Works by BRYAN DONKIN, M.Inst.C.E., M.Inst.Mech.E., &c. NOW READY. FOURTH EDITION, Revised and Enlarged. With additional Illustrations. Large 8vo, Handsome Cloth. 25s. net. A TREATISE ON GAS, OIL, AND AIR ENGINES. By BRYAN DONKIN, M.Inst.C.E., M.Inst.Mech.E. Contents.--Part I.--=Gas Engines:= General Description of Action and Parts.--Heat Cycles and Classification of Gas Engines.--History of the Gas Engine.--The Atkinson, Griffin, and Stockport Engines.--The Otto Gas Engine.--Modern British Gas Engines.--Modern French Gas Engines.--German Gas Engines.--Gas Production for Motive Power. --Utilisation of Blast-furnace and Coke-oven Gases for Power.--The Theory of the Gas Engine.--Chemical Composition of Gas in an Engine Cylinder.--Utilisation of Heat in a Gas Engine.--Explosion and Combustion in a Gas Engine.--PART II.--=PETROLEUM ENGINES:= The Discovery, Utilisation, and Properties of Oil.--Method of Treating Oil.--Carburators.--Early Oil Engines.--Practical Application of Gas and Oil Engines.--PART III.--=AIR ENGINES.=--APPENDICES.--INDEX. “The best book now published on Gas, Oil, and Air Engines.” --_Engineer._ “A thoroughly reliable and exhaustive treatise.”--_Engineering._ * * * * * In Quarto, Handsome Cloth. With Numerous Plates. 25s. THE HEAT EFFICIENCY OF STEAM BOILERS =(LAND, MARINE, AND LOCOMOTIVE).= With many Tests and Experiments on different Types of Boilers, as to the Heating Value of Fuels, &c., with Analyses of Gases and Amount of Evaporation, and Suggestions for the Testing of Boilers. By BRYAN DONKIN, M.Inst.C.E.