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A text-book of assaying

Part 2 — A SELECTION

Reading edition

FROM THE

SCIENTIFIC AND TECHNICAL WORKS

PUBLISHED BY

CHARLES GRIFFIN & COMPANY, LIMITED.

Illustration from A text-book of assaying: for the use of those connected with mines.

MESSRS. CHARLES GRIFFIN & COMPANY'S PUBLICATIONS may be obtained through any Bookseller in the United Kingdom, or will be sent Post-free on receipt of a remittance to cover published price. To prevent delay, Orders should be accompanied by a Cheque or Postal Order crossed "Union of London and Smith's Bank, Chancery Lane Branch."

*** For INDEX, see next page.

Illustration from A text-book of assaying: for the use of those connected with mines.

COMPLETE TECHNICAL, MEDICAL, and GENERAL CATALOGUES forwarded Post-free on Application.

LONDON:

EXETER STREET, STRAND.

Third Edition, Revised, with an Additional Chapter on Foundations. Numerous Diagrams, Examples, and Tables. Large 8vo. Cloth. 16s.

THE DESIGN OF STRUCTURES:

A Practical Treatise on the Building of Bridges, Roofs, &c.

BY S. ANGLIN, C.E.,

Master of Engineering, Royal University of Ireland, late Whitworth Scholar, &c.

"Students of Engineering will find this Text-Book invaluable."—Architect.

"The author has certainly succeeded in producing a thoroughly practical Text-Book."—Builder.

"We can unhesitatingly recommend this work not only to the Student, as the best Text-Book on the subject, but also to the professional engineer as an exceedingly valuable book of reference."—Mechanical World.

Third Edition, Thoroughly Revised. Royal 8vo. With numerous Illustrations and 13 Lithographic Plates. Handsome Cloth. Price 3Os.

A PRACTICAL TREATISE ON

BRIDGE-CONSTRUCTION:

Being a Text-Book on the Construction of Bridges in Iron and Steel.

FOR THE USE OF STUDENTS, DRAUGHTSMEN, AND ENGINEERS.

By T. CLAXTON FIDLER, M. INST. C.E.,

Prof. of Engineering, University College, Dundee.

General Contents.—Part I.—Elementary Statics. Part II.—General Principles of Bridge-Construction. Part III.—The Strength of Materials. Part IV.—The Design of Bridges in Detail.

"The new edition of Mr. Fidler's work will again occupy the same conspicuous position among professional text-books and treatises as has been accorded to its predecessors. The instruction imparted is sound, simple, and full. The volume will be found valuable and useful alike to those who may wish to study only the theoretical principles enunciated, and ... to others whose object and business is ... practical."—The Engineer.

At Press. In Large 8vo. Handsome Cloth. With Copious Plates and Illustrations.

The Principles and Practice of

DOCK ENGINEERING.

By BRYSON CUNNINGHAM, B.E., Assoc.M.Inst.C.E.,

Of the Engineers' Department, Mersey Docks and Harbour Board.

GENERAL CONTENTS.

Historical and Discursive.—Dock Design.—Constructive Appliances.—Materials.—Dock and Quay Walls.—Entrance Passages and Locks.—Jetties, Wharves, and Piers.—Dock Gates and Caissons.—Transit Sheds and Warehouses.—Dock Bridges.—Graving and Repairing Docks.—Working Equipment of Docks.—Index.

*** The object of the Author has been to deal fully and comprehensively with the problems arising out of the construction and maintenance of Docks and their appanages, not simply as a record of works carried out, but as a treatise on the principles underlying their construction and an investigation of the mathematical theories involved. It is primarily intended for the student; but it is hoped that the large amount of data and material collected from various sources, and in many cases contributed specially for this book, will render it useful to the expert engineer as a work of reference; while, at the same time, of general interest to directors and others connected with the management and administration of seaports.

Third Edition. In Two Parts, Published Separately.

A TEXT-BOOK OF

Engineering Drawing and Design

Vol. I.—Practical Geometry, Plane, and Solid. 3s.

VOL. II.—Machine and Engine Drawing and Design. 4s. 6d.

BY

SIDNEY H. WELLS, Wh.Sc.,

A.M.INST.C.E., A.M.INST.MECH.E.,

Principal of the Battersea Polytechnic Institute, and Head of the Engineering Department therein; formerly of the Engineering Departments of the Yorkshire College, Leeds; and Dulwich College, London.

With many Illustrations, specially prepared for the Work, and numerous Examples, for the Use of Students in Technical Schools and Colleges.

"A capital text-book, arranged on an EXCELLENT SYSTEM, calculated to give an intelligent grasp of the subject, and not the mere faculty of mechanical copying.... Mr. Wells shows how to make complete working drawings, discussing fully each step in the design."—Electrical Review.

"The first book leads easily and naturally towards the second, where the technical pupil brought into contact with large and more complex designs."—The Schoolmaster.

Works by BRYAN DONKIN, M. Inst. C.E., M. Inst. Mech. E., &c.

Third Edition, Revised and Enlarged. With additional Illustrations. Large 8vo, Handsome Cloth. 25s.

GAS, OIL, AND AIR ENGINES:

A Practical Text-Book on Internal Combustion Motors without Boiler.

By BRYAN DONKIN, M. Inst. C.E., M. Inst. Mech. E.

General Contents.—Gas Engines:—General Description—History and Development—British, French, and German Gas Engines—Gas Production for Motive Power—Theory of the Gas Engine—Chemical Composition of Gas in Gas Engines—Utilisation of Heat—Explosion and Combustion. Oil Motors:—History and Development—Various Types—Priestman's and other Oil Engines. Hot-Air Engines:—History and Development—Various Types: Stirling's, Ericsson's, &c., &c.

"The best book now published on Gas, Oil, and Air Engines.... Will be of very great interest to the numerous practical engineers who have to make themselves familiar with the motor of the day.... Mr. Donkin has the advantage of long practical experience, combined with high scientific and experimental knowledge, and an accurate perception of the requirements of Engineers."—The Engineer.

"We heartily recommend Mr. Donkin's work.... A monument of careful labour.... Luminous and comprehensive."—Journal of Gas Lighting.

"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.

General Contents.—Classification of different Types of Boilers—425 Experiments on English and Foreign Boilers with their Heat Efficiencies shown in Fifty Tables—Fire Grates of Various Types—Mechanical Stokers—Combustion of Fuel in Boilers—Transmission of Heat through Boiler Plates, and their Temperature—Feed Water Heaters, Superheaters, Feed Pumps, &c.—Smoke and its Prevention—Instruments used in Testing Boilers—Marine and Locomotive Boilers—Fuel Testing Stations—Discussion of the Trials and Conclusions—On the Choice of a Boiler, and Testing of Land, Marine, and Locomotive Boilers—Appendices—Bibliography—Index.

With Plates illustrating Progress made during recent years, and the best Modern Practice.

"A work of reference at present unique. Will give an answer to almost any question connected with the performance of boilers that it is possible to ask."—Engineer.

"Probably the most exhaustive résumé that has ever been collected. A practical Book by a thoroughly practical man."—Iron and Coal Trades Review.

Third Edition, Revised and Enlarged. Pocket-Size, Leather, 12s. 6d.; also Larger Size for Office Use, Cloth, 12s. 6d.

Boilers, Marine and Land:

THEIR CONSTRUCTION AND STRENGTH.

A Handbook of Rules, Formulæ, Tables, &c., relative to Material, Scantlings, and Pressures, Safety Valves, Springs, Fittings and Mountings, &c.

FOR THE USE OF ENGINEERS, SURVEYORS, BOILER-MAKERS, AND STEAM USERS.

By T.W. TRAILL, M. Inst. C.E., F.E.R.N.,

Late Engineer Surveyor-in-Chief to the Board of Trade.

*** To the Second and Third Editions many New Tables for Pressure, up to 200 Lbs. per Square Inch have been added.

"The most valuable work on Boilers published in England."—Shipping World.

"Contains an Enormous Quantity of Information arranged in a very convenient form.... A most useful volume ... supplying information to be had nowhere else."—The Engineer.

Third Impression. Large Crown 8vo. With numerous Illustrations. 6s.

ENGINE-ROOM PRACTICE:

A Handbook for Engineers and Officers in the Royal Navy and Mercantile Marine, Including the Management of the Main and Auxiliary Engines on Board Ship.

BY JOHN G. LIVERSIDGE,

Engineer, R.N., A.M.I.C.E., Instructor in Applied Mechanics at the Royal Naval College, Greenwich.

Contents.—General Description of Marine Machinery.—The Conditions of Service and Duties of Engineers of the Royal Navy.—Entry and Conditions of Service of Engineers of the Leading S.S. Companies.—Raising Steam.—Duties of a Steaming Watch on Engines and Boilers.—Shutting off Steam.—Harbour Duties and Watches.—Adjustments and Repairs of Engines.—Preservation and Repairs of "Tank" Boilers.—The Hull and its Fittings.—Cleaning and Painting Machinery.—Reciprocating Pumps, Feed Heaters, and Automatic Feed-Water Regulators.—Evaporators.—Steam Boats.—Electric Light Machinery.—Hydraulic Machinery.—Air-Compressing Pumps.—Refrigerating Machines.—Machinery of Destroyers.—The Management of Water-Tube Boilers.—Regulations for Entry of Assistant Engineers, R.N.—Questions given in Examinations for Promotion of Engineers, R.N.—Regulations respecting Board of Trade Examinations for Engineers, &c.

"The contents cannot fail to be appreciated."—The Steamship.

"This very useful book.... Illustrations are of great importance in a work of this kind, and it is satisfactory to find that special attention has been given in this respect."—Engineers' Gazette.

In Crown 8vo, extra, with Numerous Illustrations. [Shortly.

GAS AND OIL ENGINES:

An Introductory Text-Book on the Theory, Design, Construction, and Testing of Internal Combustion Engines without Boiler.

FOR THE USE OF STUDENTS.

By Prof. W.H. WATKINSON, Whit. Sch., M. Inst. Mech. E.,

Glasgow and West of Scotland Technical College.

Second Edition, Revised. With numerous Plates reduced from Working Drawings and 280 Illustrations in the Text. 21s.

A MANUAL OF

LOCOMOTIVE ENGINEERING:

A Practical Text-Book for the Use of Engine Builders, Designers and Draughtsmen, Railway Engineers, and Students.

BY

WILLIAM FRANK PETTIGREW, M. Inst. C.E.

With a Section on American and Continental Engines.

By ALBERT F. RAVENSHEAR, B.Sc.,

Of His Majesty's Patent Office.

Contents.—Historical Introduction, 1763-1863.—Modern Locomotives: Simple.—Modern Locomotives: Compound.—Primary Consideration in Locomotive Design.—Cylinders, Steam Chests, and Stuffing Boxes.—Pistons, Piston Rods, Crossheads, and Slide Bars.—Connecting and Coupling Rods.—Wheels and Axles, Axle Boxes, Hornblocks, and Bearing Springs.—Balancing.—Valve Gear.—Slide Valves and Valve Gear Details.—Framing, Bogies and Axle Trucks, Radial Axle Boxes.—Boilers.—Smokebox, Blast Pipe, Firebox Fittings.—Boiler Mountings.—Tenders.—Railway Brakes.—Lubrication.—Consumption of Fuel, Evaporation and Engine Efficiency.—American Locomotives.—Continental Locomotives.—Repairs, Running, Inspection, and Renewals.—Three Appendices.—Index.

"Likely to remain for many years the Standard Work for those wishing to learn Design."—Engineer.

"A most interesting and valuable addition to the bibliography of the Locomotive."—Railway Official Gazette.

"We recommend the book as thoroughly practical in its character, and meriting a place in any collection of ... works on Locomotive Engineering."—Railway News.

"The work contains all that can be learnt from a book upon such a subject. It will at once rank as the standard work upon this important subject."—Railway Magazine.

In Large 8vo. Handsome Cloth. With Plates and Illustrations. 16s.

LIGHT RAILWAYS AT HOME AND ABROAD.

By WILLIAM HENRY COLE, M. Inst. C.E.,

Late Deputy-Manager, North-Western Railway, India.

Contents.—Discussion of the Term "Light Railways."—English Railways, Rates, and Farmers.—Light Railways in Belgium, France, Italy, other European Countries, America and the Colonies, India, Ireland.—Road Transport as an alternative.—The Light Railways Act, 1896.—The Question of Gauge.—Construction and Working.—Locomotives and Rolling-Stock.—Light Railways in England, Scotland, and Wales.—Appendices and Index.

"Mr. W.H. Cole has brought together ... a large amount of valuable information ... hitherto practically inaccessible to the ordinary reader."—Times.

"Will remain, for some time yet a Standard Work in everything relating to Light Railways."—Engineer.

"The author has extended practical experience that makes the book lucid and useful. It is exceedingly well done"—Engineering.

"The whole subject is exhaustively and practically considered. The work can be cordially recommended as indispensable to those whose duty it is to become acquainted with one of the prime necessities of the immediate future."—Railway Official Gazette.

"There could be no better book of first reference on its subject. All classes of Engineers will welcome its appearance."—Scotsman.

Third Edition, Revised and Enlarged. With Numerous Illustrations. Price 8s. 6d.

VALVES AND VALVE-GEARING:

INCLUDING THE CORLISS VALVE AND TRIP GEARS.

BY

CHARLES HURST,

Practical Draughtsman.

"Concise explanations illustrated by 115 very clear diagrams and drawings and 4 folding-plates ... the book fulfils a valuable function."—Athenæum.

"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.

"Useful and thoroughly practical. Will undoubtedly be found of GREAT VALUE to all concerned with the design of Valve-gearing."—Mechanical World.

"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.

"Mr. Hurst's work is admirably suited to the needs of the practical mechanic.... It is free from any elaborate theoretical discussions, and the explanations of the various types of valve-gear are accompanied by diagrams which render them easily understood."—The Scientific American.

Hints on Steam Engine Design and Construction. By Charles Hurst, "Author of Valves and Valve Gearing." In Paper Boards, 8vo., Cloth Back. Illustrated. Price 1s. 6d. net.

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

"A handy volume which every practical young engineer should possess."—The Model Engineer.

JUST OUT. Strongly Bound in Super Royal 8vo. Cloth Boards.

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