General Contents.--i. Explosions caused (1) by Overheating of Plates --(2) By Defective and Overloaded Safety Valves--(3) By Corrosion, Internal or External--(4) By Defective Design and Construction (Unsupported Flue Tubes; Unstrengthened Manholes; Defective Staying; Strength of Rivetted Joints; Factor of Safety)--II. Construction Of Vertical Boilers: Shells--Crown Plates and Uptake Tubes--Man-Holes, Mud-Holes, and Fire-Holes--Fireboxes--Mountings--Management-- Cleanings--Table of Bursting Pressures of Steel Boilers--Table of Rivetted Joints--Specifications and Drawings of Lancashire Boiler for Working Pressures (_a_) 80 lbs.; (_b_) 200 lbs. per square inch respectively. “A valuable companion for workmen and engineers engaged about Steam Boilers, ought to be carefully studied, and ALWAYS AT HAND.” --_Coll. Guardian_. “The book is VERY USEFUL, especially to steam users, artisans, and young Engineers.”--_Engineer_. * * * * * By THE SAME AUTHOR. =KITCHEN BOILER EXPLOSIONS:= Why they Occur, and How to Prevent their Occurrence. A Practical Handbook based on Actual Experiment. With Diagram and Coloured Plate. Price 3s. * * * * * =LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND.= * * * * * _In Crown 8vo, Cloth. Fully Illustrated. 5s. net_. EMERY GRINDING MACHINERY. A Text-Book of Workshop Practice in General Tool Grinding, and the Design, Construction, and Application of the Machines Employed. By R. B. HODGSON, A.M.Inst.mech.E. Introduction.--Tool Grinding.--Emery Wheels.--Mounting Emery Wheels.--Emery Rings and Cylinders.--Conditions to Ensure Efficient Working.--Leading Types of Machines.--Concave and Convex Grinding. --Cup and Cone Machines.--Multiple Grinding.--“Guest” Universal and Cutter Grinding Machines.--Ward Universal Cutter Grinder.--Press. --Tool Grinding.--Lathe Centre Grinder.--Polishing.--Index. “Eminently practical ... cannot fail to attract the notice of the users of this class of machinery, and to meet with careful perusal.”--_Chem. Trade Journal_. * * * * * IN THREE PARTS. Crown 8vo, Handsome Cloth. Very Fully Illustrated. MOTOR-CAR MECHANISM AND MANAGEMENT. By W. POYNTER ADAMS, M.INST.E.E. IN THREE PARTS. Part I.--The Petrol Car. Part II.--The Electrical Car. Part III.--The Steam Car. =PART I.--THE PETROL CAR.= 5s. net.