PART IV.--Pump Valves.

“Mr. Hurst’s VALVES and VALVE-GEARING will prove a very valuable aid, and tend to the production of Engines of SCIENTIFIC DESIGN and ECONOMICAL working.... Will be largely sought after by Students and Designers.”--_Marine Engineer_.

“Almost EVERY TYPE of VALVE and its gearing is clearly set forth, and illustrated in such a way as to be READILY UNDERSTOOD and PRACTICALLY APPLIED by either the Engineer, Draughtsman, or Student.... Should prove both USEFUL and VALUABLE to all Engineers seeking for RELIABLE and CLEAR Information on the subject. Its moderate price brings it within the reach of all.”--_Industries and Iron_.

* * * * *

=HINTS ON STEAM ENGINE DESIGN AND CONSTRUCTION.= By CHARLES HURST, “Author of Valves and Valve Gearing.” SECOND EDITION, Revised. In Paper Boards, 8vo., Cloth Back. Illustrated. Price 1s. 6d. net.

Contents.--I. Steam Pipes.--II. Valves.--III. Cylinders.--IV. Pumps and Condensers.--V. Motion Work.--VI. Crank Shafts and Air Pedestals.--VII. Valve Gear.--VIII. Lubrication.--IX. Miscellaneous Details.--Index.

“A handy volume which every practical young engineer should possess.” --_The Model Engineer_.

* * * * *

Strongly Bound in Super Royal 8vo. Cloth Boards. 7s. 6d. net.

BONUS TABLES: For Calculating Wages on the Bonus Or Premium Systems.

_For Engineering, Technical and Allied Trades._

By HENRY A. GOLDING, A.M.Inst.M.E.,

Technical Assistant to Messrs. Bryan Donkin and Clench, Ltd., and Assistant Lecturer in Mechanical Engineering at the Northampton Institute, London, E.C.

“Cannot fail to prove practically serviceable to those for whom they have been designed.”--_Scotsman_.

* * * * *

Second Edition, Cloth, 8s. 6d. Leather, for the Pocket, 8s. 6d.

=GRIFFIN’S ELECTRICAL PRICE-BOOK:= For Electrical, Civil, Marine, and Borough Engineers, Local Authorities, Architects, Railway Contractors, &c., &c. Edited by H. J. Dowsing.

“The Electrical Price-book REMOVES ALL MYSTERY about the cost of Electrical Power. By its aid the EXPENSE that will be entailed by utilising electricity on a large or small scale can be discovered.” --_Architect_.

=By WILLIAM NICHOLSON.=

* * * * *

=SMOKE ABATEMENT.= (_See page 76_.)

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=LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND.=

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Shortly. Second Edition. Large 8vo, Handsome Cloth. With Illustrations, Tables, &c.

LUBRICATION & LUBRICANTS: A TREATISE ON THE =THEORY AND PRACTICE OF LUBRICATION= AND ON THE NATURE, PROPERTIES, AND TESTING OF LUBRICANTS.

By LEONARD ARCHBUTT, F. I. C., F. C. S., Chemist to the Midland Railway Company,

AND

R. MOUNTFORD DEELEY, M.I.Mech.E., F.G.S., Chief Locomotive Superintendent, Midland Railway Company.

Contents.--I. Friction of Solids.--II. Liquid Friction or Viscosity, and Plastic Friction.--III. Superficial Tension.--IV. The Theory of Lubrication.--V. Lubricants, their Sources, Preparation, and Properties.--VI. Physical Properties and Methods of Examination of Lubricants.--VII. Chemical Properties and Methods of Examination of Lubricants.--VIII. The Systematic Testing of Lubricants by Physical and Chemical Methods.--IX. The Mechanical Testing of Lubricants. --X. The Design and Lubrication of Bearings.--XI. The Lubrication of Machinery.--Index.

“Destined to become a CLASSIC on the subject.”--_Industries and Iron._

“Contains practically ALL THAT IS KNOWN on the subject. Deserves the careful attention of all Engineers.”--_Railway Official Guide._

* * * * *

Fourth Edition. _Very fully Illustrated. Cloth, 4s. 6d._

STEAM-BOILERS: =THEIR DEFECTS, MANAGEMENT, AND CONSTRUCTION.=

By R. D. MUNRO, _Chief Engineer of the Scottish Boiler Insurance and Engine Inspection Company._

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.