Chapter 20

SECONDARY BATTERIES--THERMOPILES--DYNAMOS--COST OF ELECTRICAL INSTALLATIONS OF SMALL OUTPUT FOR ELECTRO-PLATING--HISTORICAL REVIEW OF ELECTRO DEPOSITION--ELECTRO DEPOSITION OF COPPER--DEPOSITION OF GOLD BY SIMPLE IMMERSION--ELECTRO DEPOSITION OF GOLD--VARIOUS GILDING OPERATIONS--MERCURY GILDING--ELECTRO DEPOSITION OF SILVER--IMITATION ANTIQUE SILVER--ELECTRO DEPOSITION OF NICKEL, TIN, IRON AND ZINC, VARIOUS METALS AND ALLOYS--RECOVERY OF GOLD AND SILVER FROM WASH SOLUTIONS--MECHANICAL OPERATIONS CONNECTED WITH ELECTRO DEPOSITION--MATERIALS USED IN ELECTRO DEPOSITION. PART II. ELECTRO METALLURGY--ELECTRO METALLURGY OF COPPER--COST OF ELECTROLYTIC COPPER REFINING--CURRENT DENSITY AS A FACTOR IN PROFITS--SOME IMPORTANT DETAILS IN ELECTROLYTIC COPPER REFINERIES--ELECTROLYTIC GOLD AND SILVER BULLION REFINING--ELECTROLYTIC TREATMENT OF TIN--ELECTROLYTIC REFINING OF LEAD--ELECTROLYTIC PRODUCTION OF ALUMINIUM AND ELECTROLYTIC REFINING OF NICKEL--ELECTRO GALVANISING.

"Eminently a book for the practical worker in electro-deposition."--_Engineer._

=ELECTRO-TYPING.= The Reproduction and Multiplication of Printing Surfaces and Works of Art by the Electro-Deposition of Metals. By J. W. URQUHART, C.E. Crown 8vo, cloth =5/0=

=ENGINEERING CHEMISTRY.= A Practical Treatise for the Use of Analytical Chemists, Engineers, Iron Masters, Iron Founders, Students and others. Comprising Methods of Analysis and Valuation of the Principal Materials used in Engineering Work, with numerous Analyses, Examples and Suggestions. By H. PHILLIPS. Third Edition, Revised. Crown 8vo, 420 pp., with Illustrations, cloth _Net_ =10/6=

=EXPLOSIVES, MODERN, A HANDBOOK ON.= A Practical Treatise on the Manufacture and Use of Dynamite, Gun-Cotton, Nitro-Glycerine and other Explosive Compounds, including Collodion-Cotton. With Chapters on Explosives in Practical Application. By M. EISSLER, M.E. Second Edition, Enlarged. Crown 8vo, cloth =12/6=

"A veritable mine of information on the subject of explosives employed for military, mining, and blasting purposes."--_Army and Navy Gazette._

=EXPLOSIVES: NITRO-EXPLOSIVES.= The Properties, Manufacture, and Analysis of Nitrated Substances, including the Fulminates, Smokeless Powders, and Celluloid. By P. G. SANFORD, F.I.C., F.C.S., Public Analyst to the Borough of Penzance. Second Edition, enlarged. With Illustrations. Demy 8vo, cloth _Net_ =10/6=

NITRO-GLYCERINE--NITRO-CELLULOSE, ETC.--DYNAMITE--NITRO-BENZOL, ROBURITE, BELLITE, PICRIC ACID, ETC.--THE FULMINATES--SMOKELESS POWDERS IN GENERAL--ANALYSIS OF EXPLOSIVES--FIRING POINT, HEAT TESTS, DETERMINATION OF RELATIVE STRENGTH, ETC.

"One of the very few text-books in which can be found just what is wanted. Mr. Sanford goes steadily through the whole list of explosives commonly used, he names any given explosive, and tells of what it is composed and how it is manufactured. The book is excellent."--_Engineer._

=FACTORY ACCOUNTS: THEIR PRINCIPLES AND PRACTICE.= A Handbook for Accountants and Manufacturers, with Appendices on the Nomenclature of Machine Details, the Income Tax Acts, the Rating of Factories, Fire and Boiler Insurance, the Factory and Workshop Acts, etc., including a Glossary of Terms and a large number of Specimen Rulings. By EMILE GARCKE and J. M. FELLS. Fifth Edition, Revised and Enlarged. Demy 8vo, cloth =7/6=

"A very interesting description of the requirements of Factory Accounts.... The principle of assimilating the Factory Accounts to the general commercial books is one which we thoroughly agree with."--_Accountants' Journal._

=FLOUR MANUFACTURE.= A Treatise on Milling Science and Practice. By FRIEDRICH KICK, Imperial Regierungsrath, Professor of Mechanical Technology in the Imperial German Polytechnic Institute, Prague. Translated from the Second Enlarged and Revised Edition. By H. H. P. POWLES, A.M.Inst.C.E. 400 pp., with 28 Folding Plates, and 167 Woodcuts. Royal 8vo, cloth =£1 5s.=

"This invaluable work is the standard authority on the science of milling."--_The Miller._

=FRENCH POLISHING AND ENAMELLING.= Including numerous Recipes for making Polishes, Varnishes, Glaze, Lacquers, Revivers, &c. By R. BITMEAD. Crown 8vo, cloth =1/6=

=GAS ENGINEER'S POCKET-BOOK.= Comprising Tables, Notes and Memoranda relating to the Manufacture, Distribution and Use of Coal Gas and the Construction of Gas Works. By H. O'CONNOR, A.M.Inst.C.E. Third Edition. Revised. Crown 8vo, leather. _Net_ =10/6=

GENERAL CONSTRUCTING MEMORANDA--GENERAL MATHEMATICAL TABLES--UNLOADING MATERIALS AND STORAGE--RETORT HOUSE--CONDENSERS--BOILERS, ENGINES, PUMPS, AND EXHAUSTERS--SCRUBBERS AND WASHERS--PURIFIERS--GASHOLDER TANKS--GASHOLDERS--WORKSHOP NOTES--MANUFACTURING--STORING MATERIALS--RETORT HOUSE (WORKING)--CONDENSING GAS--EXHAUSTERS, ETC.--WASHING AND SCRUBBING--PURIFICATION--GASHOLDERS (CARE OF)--DISTRIBUTING GAS--TESTING--ENRICHING PROCESSES--PRODUCT WORKS--SUPPLEMENTARY.

"The book contains a vast amount of information."--_Gas World._

=GAS ENGINEERING.= See PRODUCER GAS PRACTICE AND INDUSTRIAL GAS ENGINEERING. =GAS FITTING.= A Practical Handbook. By JOHN BLACK. Revised Edition. With 130 Illustrations. Crown 8vo, cloth =2/6=

=GAS LIGHTING.= See ACETYLENE.

=GAS LIGHTING FOR COUNTRY HOUSES.= See PETROL AIR GAS.

=GAS MANUFACTURE, CHEMISTRY OF.= A Practical Manual for the use of Gas Engineers, Gas Managers and Students. By HAROLD M. ROYLE, Chief Chemical Assistant at the Beckton Gas Works. Demy 8vo, cloth, 340 pages, with numerous Illustrations and Coloured Plate. _Net_ =12/6=

PREPARATION OF STANDARD SOLUTIONS--ANALYSIS OF COALS--DESCRIPTION OF VARIOUS TYPES OF FURNACES--PRODUCTS OF CARBONISATION AT VARIOUS TEMPERATURES--ANALYSIS OF CRUDE GAS--ANALYSIS OF LIME--ANALYSIS OF AMMONIACAL LIQUOR--ANALYTICAL VALUATION OF OXIDE OF IRON--ESTIMATION OF NAPHTHALIN--ANALYSIS OF FIRE-BRICKS AND FIRE-CLAY--ART OF PHOTOMETRY--CARBURETTED WATER GAS--APPENDIX CONTAINING STATUTORY AND OFFICIAL REGULATIONS FOR TESTING GAS. VALUABLE EXCERPTS FROM VARIOUS IMPORTANT PAPERS ON GAS CHEMISTRY, USEFUL TABLES, MEMORANDA, etc.

=GAS WORKS.= Their Construction and Arrangement, and the Manufacture and Distribution of Coal Gas. By S. HUGHES, C.E. Ninth Edition. Revised by H. O'CONNOR, A.M.Inst.C.E. Crown 8vo =6/0=

=GOLD WORKING. JEWELLER'S ASSISTANT= for Masters and Workmen, Compiled from the Experience of Thirty Years' Workshop Practice. By G. E. GEE. Crown 8vo =7/6=

=GOLDSMITH'S HANDBOOK.= Alloying, Melting, Reducing, Colouring, Collecting, and Refining. Manipulation, Recovery of Waste, Chemical and Physical Properties; Solders, Enamels, and other useful Rules and Recipes, &c. By G. E. GEE, Sixth Edition. Crown 8vo, cloth =3/0=

=GOLDSMITH'S AND SILVERSMITH'S COMPLETE HANDBOOK.= By G. E. GEE. Crown 8vo, half bound =7/0=

=HALL-MARKING OF JEWELLERY.= Comprising an account of all the different Assay Towns of the United Kingdom, with the Stamps at present employed; also the Laws relating to the Standards and Hall-marks at the various Assay Offices. By G. E. GEE. Crown 8vo =3/0=

=HANDYBOOKS FOR HANDICRAFTS.= By PAUL N. HASLUCK. See page 16.

=HOROLOGY, MODERN, IN THEORY AND PRACTICE.= Translated from the French of CLAUDIUS SAUNIER, ex-Director of the School of Horology at Macon, by JULIEN TRIPPLIN, F.R.A.S., Besançon Watch Manufacturer, and EDWARD RIGG, M.A., Assayer in the Royal Mint. With Seventy-eight Woodcuts and Twenty-two Coloured Copper Plates. Second Edition. Super-royal 8vo, =£2 2s.= cloth; half-calf =£2 10s.=

"There is no horological work in the English language at all to be compared to this production of M. Saunier's for clearness and completeness. It is alike good as a guide for the student and as a reference for the experienced horologist and skilled workman."--_Horological Journal._

=ILLUMINATING AND MISSAL PAINTING ON PAPER AND VELLUM.= A Practical Treatise on Manuscript Work, Testimonials, and Herald Painting, with Chapters on Lettering and Writing, and on Mediæval Burnished Gold. With two Coloured Plates. By PHILIP WHITHARD (First-class Diploma for Illumination and Herald Painting, Printing Trades Exhibition, 1906). 156 pages. Crown 8vo, cloth _Net_ =4/0=

=INTEREST CALCULATOR.= Containing Tables at 1, 11/2, 2, 21/2, 3, 31/2, 33/4, 4, 41/2, 43/4 and 5 per cent. By A. M. CAMPBELL, Author of "The Concise Calendar." Crown 8vo, cloth _Net_ =2/6=

=IRON AND METAL TRADES' COMPANION.= For Expeditiously ascertaining the Value of any Goods bought or sold by Weight, from 1_s._ per cwt. to 112_s._ per cwt., and from one farthing per pound to one shilling per pound. By THOMAS DOWNIE. Strongly bound in leather, 396 pp. =9/0=

"A most useful set of tables. Nothing like them before existed."--_Building News._

=IRON-PLATE WEIGHT TABLES.= For Iron Shipbuilders, Engineers and Iron Merchants. Containing the Calculated Weights of upwards of 150,000 different sizes of Iron Plates, from 1 ft. by 6 ins. by 1/4 in. to 10 ft. by 5 ft. by 1 in. Worked out on the basis of 40 lbs. to the square foot of iron of 1 in. in thickness. By H. BURLINSON and W. H. SIMPSON. 4to, half bound =£1 5s.=

=LABOUR CONTRACTS.= A Popular Handbook on the Law of Contracts or Works and Services. By DAVID GIBBONS. Fourth Edition, with Appendix of Statutes by T. F. UTTLEY; Solicitor. F'cap. 8vo, cloth =3/6=

=LAUNDRY MANAGEMENT.= A Handbook for use in Private and Public Laundries. Cr. 8vo, cloth =2/0=

=LAW FOR MANUFACTURERS, EMPLOYERS AND OTHERS, ETC.= See "EVERY MAN'S OWN LAWYER." A Handy-book of the Principles of Law and Equity. By a BARRISTER. Forty-seventh (1910) Edition, including the Legislation of 1909. 830 pp. Large crown 8vo, cloth [_Just Published._] _Net_ =6/8=

SUMMARY OF CONTENTS: LANDLORD AND TENANT--VENDORS AND PURCHASERS--CONTRACTS AND AGREEMENTS--CONVEYANCES AND MORTGAGES--JOINT-STOCK COMPANIES--PARTNERSHIP--SHIPPING LAW--DEALINGS WITH MONEY--SURETISHIP--CHEQUES, BILLS AND NOTES--BILLS OF SALE--BANKRUPTCY--MASTERS, SERVANTS AND WORKMEN--INSURANCE: LIFE, ACCIDENT, ETC.--COPYRIGHT, PATENTS. TRADE MARKS--HUSBAND AND WIFE, DIVORCE--INFANCY, CUSTODY OF CHILDREN--TRUSTEES AND EXECUTORS--TAXES AND DEATH DUTIES--CLERGYMEN, DOCTORS, AND LAWYERS--PARLIAMENTARY ELECTIONS--LOCAL GOVERNMENT--LIBEL AND SLANDER--NUISANCES--CRIMINAL LAW--GAME LAWS, GAMING, INNKEEPERS--FORMS OF WILLS, AGREEMENTS, NOTICES, ETC.

"A useful and concise epitome of the law."--_Law Magazine._

"A complete digest of the most useful facts which constitute English law."--_Globe._

"A dictionary of legal facts well put together. The book is a very useful one."--_Spectator._

=LEATHER MANUFACTURE.= A Practical Handbook of Tanning, Currying, and Chrome Leather Dressing. By A. WATT. Fifth Edition, Revised and Enlarged. 8vo, cloth _Net_ =12/6=

CHEMICAL THEORY OF THE TANNING PROCESS--THE SKIN--HIDES AND SKINS--TANNIN OR TANNIC ACID--GALLIC ACID--GALLIC FERMENTATION--TANNING MATERIALS--ESTIMATION OF TANNIN--PRELIMINARY OPERATIONS--DEPILATION OR UNHAIRING SKINS AND HIDES--DELIMING OR BATING--TANNING BUTTS FOR SOLE LEATHER--TANNING PROCESSES--TANNING BY PRESSURE--QUICK TANNING--HARNESS LEATHER TANNING--AMERICAN TANNING--HEMLOCK TANNING--TANNING BY ELECTRICITY--CHEMICAL TANNING--MISCELLANEOUS PROCESSES--COST OF AMERICAN TANNING--MANUFACTURE OF LIGHT LEATHERS--DYEING LEATHER--MANUFACTURE OF WHITE LEATHER--CHROME LEATHER MANUFACTURE--BOX CALF MANUFACTURE--CHAMOIS OR OIL LEATHER MANUFACTURE--CURRYING--MACHINERY EMPLOYED IN LEATHER MANUFACTURE--EMBOSSING LEATHER--FELLMONGERING--PARCHMENT, VELLUM, AND SHAGREEN--GUT DRESSING--GLUE BOILING--UTILISATION OF TANNER'S WASTE.

"A sound, comprehensive treatise on tanning and its accessories."--_Chemical Review._

LEATHER MANUFACTURE. PRACTICAL TANNING:= A Handbook of Modern Processes, Receipts and Suggestions for the Treatment of Hides, Skins, and Pelts of every description, including various Patents relating to Tanning, with specifications. By LOUIS A. FLEMMING, American Tanner. Second Edition, in great part re-written, thoroughly revised, and much enlarged. Illustrated by six full-page Plates. Medium 8vo, cloth, 630 pages [_Just published._] _Net_ =28/0=

=MAGNETOS FOR AUTOMOBILISTS, HOW MADE AND HOW USED.= A Handbook of Practical Instruction in the Manufacture and Adaptation of the Magneto to the needs of the Motorist. By S. R. BOTTONE, late of the Collegio del Carmine, Turin, Author of "The Dynamo," "Ignition Devices," &c. Second Edition, enlarged. With 52 Illustrations. Crown 8vo, cloth Net =2/0=

=MARBLE AND MARBLE WORKING.= A Handbook for Architects, Sculptors, Marble Quarry Owners and Workers, and all engaged in the Building and Decorative Industries. Containing numerous Illustrations and thirteen Coloured Plates. By W. G. RENWICK, Author of "The Marble Industry," "The Working of Marble for Decorative Purposes," etc. 240 pages. Medium 8vo, cloth =15/0=

THE CHEMISTRY OF MARBLE--ITS GEOLOGICAL FORMATION--A SHORT CLASSIFICATION OF MARBLES--ANTIQUITY OF THE MARBLE INDUSTRY--ANCIENT QUARRIES AND METHODS OF WORKING--MODERN QUARRIES AND QUARRYING METHODS--MACHINERY USED IN QUARRYING--EUROPEAN AND AMERICAN SYSTEMS COMPARED--MARBLE AS BUILDING MATERIAL--USES OF MARBLE OTHER THAN FOR BUILDING PURPOSES-SOURCES OF PRODUCTION: ITALIAN, FRENCH, BELGIAN, AND GREEK MARBLES, ETC.--MARBLES OF THE UNITED KINGDOM AND BRITISH COLONIES--CONTINENTAL MARBLE WORKING--MARBLE WORKING MACHINERY--MARBLE WORKING IN THE UNITED STATES--AMERICAN MACHINERY DESCRIBED AND COMPARED--MARBLE WORKING: A BRITISH INDUSTRY--MARBLE SUBSTITUTES AND IMITATIONS--PRACTICAL POINTS FOR THE CONSIDERATION OF ARCHITECTS--HINTS ON THE SELECTION OF MARBLE--LIST OF MARBLES IN ORDINARY USE, WITH DESCRIPTIVE NOTES AND INSTANCES OF THEIR APPLICATION.

=MENSURATION AND GAUGING. A POCKET-BOOK= containing Tables, Rules, and Memoranda for Revenue Officers, Brewers, Spirit Merchants, &c. By J. B. MANT. Second Edition. 18mo, leather. =4/0=

"Should be in the hands of every practical brewer."--_Brewers' Journal._

=METRIC TABLES, A SERIES OF.= In which the British Standard Measures and Weights are compared with those of the Metric System at present in Use on the Continent. By C. H. DOWLING, C.E. 8vo, cloth =10/6=

"Mr. Dowling's tables are well put together as a ready-reckoner for the conversion of one system into the other."--_Athenæum._

=METROLOGY, MODERN.= A Manual of the Metrical Units and Systems of the present Century. With an Appendix containing a proposed English System. By LOWIS d'A. JACKSON, A.M.Inst.C.E., Author of "Aid to Survey Practice," etc. Large crown 8vo, cloth =12/6=

"We recommend the work to all interested in the practical reform of our weights and measures."--_Nature._

=MOTOR CAR, THE.= A Practical Manual for the use of Students and Motor Car Owners, with notes on the Internal Combustion Engine and its fuel. By ROBERT W. A. BREWER, A.M.Inst.C.E., M.I.M.E., M.I.A.E. 250 pages. With numerous illustrations. Demy 8vo, cloth _Net_ =5/0=

=MOTOR CAR CATECHISM.= Containing about 320 Questions and Answers Explaining the Construction and Working of a Modern Motor Car. For the Use of Owners, Drivers, and Students. By JOHN HENRY KNIGHT. Second Edition, revised and enlarged, with an additional chapter on Motor Cycles. Crown 8vo, with Illustrations _Net_ =1/6=

THE PETROL ENGINE--TRANSMISSION AND THE CHASSIS--TYRES--DUTIES OF A CAR DRIVER--MOTOR CYCLES--LAWS AND REGULATIONS.

=MOTOR CARS FOR COMMON ROADS.= By A. J. WALLIS-TAYLER, A.M.Inst.C.E. 212 pp., with 76 Illustrations. Crown 8vo. =4/6=

=MOTOR VEHICLES FOR BUSINESS PURPOSES.= A Practical Handbook for those interested in the Transport of Passengers and Goods. By A. J. WALLIS-TAYLER, A.M.Inst.C.E. With 134 Illustrations. Demy 8vo, cloth _Net_ =9/0=

RESISTANCE TO TRACTION ON COMMON ROADS--POWER REQUIRED FOR MOTOR VEHICLES--LIGHT PASSENGER VEHICLES--HEAVY PASSENGER VEHICLES--LIGHT GOODS VANS--HEAVY FREIGHT VEHICLES--SELF-PROPELLED VEHICLES FOR MUNICIPAL PURPOSES--MISCELLANEOUS TYPES OF MOTOR VEHICLES--COST OF RUNNING AND MAINTENANCE.

=OILS AND ALLIED SUBSTANCES. AN ANALYSIS.= By A. C. WRIGHT, M.A.Oxon., B.Sc.Lond., formerly Assistant Lecturer in Chemistry at the Yorkshire College, Leeds, and Lecturer in Chemistry at the Hull Technical School. Demy 8vo, cloth _Net_ =9/0=

THE OCCURRENCE AND COMPOSITION OF OILS, FATS AND WAXES--THE PHYSICAL PROPERTIES OF OILS, FATS, AND WAXES, AND THEIR DETERMINATION--THE CHEMICAL PROPERTIES OF OILS, FATS, AND WAXES FROM THE ANALYTICAL STANDPOINT--DETECTION AND DETERMINATION OF NON-FATTY CONSTITUENTS--METHODS FOR ESTIMATING THE CONSTITUENTS OF OILS AND FATS--DESCRIPTION AND PROPERTIES OF THE MORE IMPORTANT OILS, FATS, AND WAXES, WITH THE METHODS FOR THEIR INVESTIGATION--EXAMINATION OF CERTAIN COMMERCIAL PRODUCTS.

=ORGAN BUILDING (PRACTICAL).= By W. E. DICKSON, M.A., Precentor of Ely Cathedral. Second Edition, Crown 8vo =2/6=

=PAINTS, MIXED. THEIR CHEMISTRY AND TECHNOLOGY.= By MAXIMILIAN TOCH. With 60 Photomicrographic Plates and other Illustrations _Net_ =12/6=

THE PIGMENTS--YELLOW, BLUE, AND GREEN PIGMENTS--THE INERT FILLERS AND EXTENDERS--PAINT VEHICLES--SPECIAL PAINTS--ANALYTICAL--APPENDIX.

=PAINTING FOR THE IMITATION OF WOODS AND MARBLES.= As Taught and Practised by A. R. VAN DER BURG and P. VAN DER BURG, Directors of the Rotterdam Painting Institution. Royal folio, cloth, 181/2 by 121/2 in. Illustrated with 24 full-size Coloured Plates; also 12 Plain Plates, comprising 154 Figures. Fifth Edition _Net_ =25/0=

=PAINTING, GRAINING, MARBLING, AND SIGN WRITING.= With a Course of Elementary Drawing and a Collection of Useful Receipts. By E. A. DAVIDSON. Ninth Edition. Coloured Plates. Crown 8vo, cloth, =5/0=; cloth boards, =6/0=

=PAPER-MAKING.= A Practical Manual for Paper Makers and Owners and Managers of Paper-Mills. With Tables, Calculations, etc. By G. CLAPPERTON, Paper-Maker. With Illustrations of Fibres from Micro-Photographs. Second edition, revised and enlarged. Crown 8vo, cloth _Net_ =5/0=

CHEMICAL AND PHYSICAL CHARACTERISTICS OF VARIOUS FIBRES--CUTTING AND BOILING OF RAGS--JUTE BOILING AND BLEACHING--WET PICKING--WASHING, BREAKING, AND BLEACHING--ELECTROLYTIC BLEACHING--ANTICHLOR--CELLULOSE FROM WOOD--MECHANICAL WOOD PULP--ESPARTO AND STRAW--BEATING-- LOADING--STARCHING--COLOURING MATTER--RESIN, SIZE, AND SIZING--THE FOURDRINIER MACHINE AND ITS MANAGEMENT--ANIMAL SIZING--DRYING--GLAZING AND BURNISHING--CUTTING, FINISHING--MICROSCOPICAL EXAMINATION OF PAPER--TESTS FOR INGREDIENTS OF PAPER--RECOVERY OF SODA--TESTING OF CHEMICALS--TESTING WATER FOR IMPURITIES.

"The author caters for the requirements of responsible mill hands, apprentices, etc., whilst his manual will be found of great service to students of technology, as well as to veteran paper-makers and mill-owners. The illustrations form an excellent feature."--_The World's Paper Trade._

=PAPER-MAKING.= A Practical Handbook of the Manufacture of Paper from Rags, Esparto, Straw, and other Fibrous Materials. Including the Manufacture of Pulp from Wood Fibre, with a Description of the Machinery and Appliances used. To which are added Details of Processes for Recovering Soda from Waste Liquors. By A. WATT. With Illustrations. Crown 8vo =7/6=

=PAPER MAKING, CHAPTERS ON.= A Series of Volumes dealing in a practical manner with all the leading questions in connection with the Chemistry of Paper-Making and the Manufacture of Paper. By CLAYTON BEADLE, Lecturer on Paper-Making before the Society of Arts, 1898 and 1902, and at the Battersea Polytechnic Institute, 1902, etc., etc. Each volume is published separately, at the price of =5/0= _net_ per vol.