HOBART.-See Stevens' and Hobart's "Steam Turbine Engineering." HOBART.-See Turner and Hobart's "Insulation of Electric Machines." HORNER.-Helical Gears. A Practical Treatise. By J. G. HORNER, CONTENTS.-Friction of Ordinary Gears-Relation of the Helix to Helical Gears- "To pattern-makers, ironfounders, and engineers generally, we can recommend the perusal of the book."-Marine Engineer. "The author has contributed a useful book to machinists."-Builder. HORNER.-English and American Lathes. By J. HORNER, A.M.I.M.E. CONTENTS.-Lathes and their Development-Forms of Lathe Beds and Standards "Mr. Horner's book which, interestingly written and well illustrated, is a work to be studied by the up-to-date tool maker."-Mechanical World. HORNER.-The Principles of Pattern Making. Written specially for Apprentices, and for Students in Technical Schools. Illustrated with 101 Engravings, and containing a Glossary of the Common Terms employed in Pattern Making and Moulding. Third Edition. 3s. 6d. CONTENTS.-First Principles and Materials-Tools-Joints for Moulding-Con. structional Joints-An Engine Cylinder-Gear Wheels, Patterns-Gear Wheels, Moulded-Miscellaneous Examples-Pattern Turning-Index. "The book is well illustrated, and for its size will be found one of the best of its kind.”—Industries. HORNER.-Metal Turning. A Practical Handbook. With 81 Illustrations. Third Edition. 35. 6а. CONTENTS.-The Lathe Tools and Tool Angles-Chucks--Chucking-General "A handy little work."-Ironmonger. "An exceedingly useful publication to have at hand."-Machinery. "The book does well what it professes to do, its aim being to explain and illustrate the practice of plain hand turning and slide-rest turning as performed in engineers' workshops."-Industries. HORNER. The Principles of Fitting. For Engineers, Apprentices, and Students. With 350 Illustrations, and an Appendix of Useful Shop Notes and Memoranda. Fourth Edition, Revised and Enlarged. 5s. net (postage 4d.). CONTENTS. - Tools - Materials - Lining out - Templets and Jigs-Chipping. Filing, and Drifting-Adjustments-Slinging and Lifting-Repairs-Joints and Packing-Keys, Cottars, Pins, and Case-hardening-Screws, Bolts, and Nuts-Measurement-Gears, Shafting, Belts, and Ropes-Fitting and Erecting Shops-Useful Tables. Notes, and Rules-Index. "A practical manual for practical people."-English Mechanic. "Calculated to aid and encourage the most useful set of handicraftsmen we have amongst us.”—Daily Chronicle. HORNER.-Practical Ironfounding. gravings. Third Edition. 3s. 6d. Illustrated with over 100 En CONTENTS.-Principles, Sands, Shrinkage, Curving, Flasks, Tools-Green Sand "Every pupil and apprentice would find it, we think, an assistance to obtaining a thorough knowledge of his work. The book, however, is not intended merely for the student, but contains much useful information for practical men."-Industries. 2 White Hart Street, Paternoster Square, E.C. HOUSTON.--Electrical Measurements, and other Advanced Primers of Electricity. Crown 8vo., cloth. 4s. 6d. net. HOUSTON.-Electrical Transmission of Intelligence, and other Advanced Primers of Electricity. Crown 8vo., cloth. 4s. 6d. net. HUTTON.-Mathematical Tables, containing the Common, Hyperbolic, and Logistic Logarithms; also Sines, Tangents, Secants, and Versed Sines, both Natural and Logarithmic. Together with several other Tables useful in Mathematical Calculations; also the Complete Design and Use of the Tables. With Seven additional Tables of Trigonometrical Formulæ. By O. GREGORY, late Professor of Mathematics in the R.M.A., etc. Medium 8vo., cloth. I2S. HYDRAULIC MOTORS AND TURBINES. See Bodmer. HYGIENE, ARCHITECTURAL. IBBOTSON. See Arnold and Ibbotson's "Steel Works Analysis." See Fletcher. INDUCTION COILS. See Bonney. INDUCTION MOTORS. See Hobart. INSULATION OF ELECTRIC MACHINES. See Turner and Hobart. IRON AND Steel StructURES. See Twelvetrees. 2s. 6d. "An excellent guide to the rudiments of the science."—Athenæum. "The book is a good one."-Nature. KAPP.-Transformers for Single and Multiphase Currents. A Treatise on their Theory, Construction, and Use. By Dr. GISBERT KAPP, M.I.C.E., M.I.E.E., Professor of Electrical Engineering in the University of Birmingham. With 218 Illustrations. Second Edition, entirely Rewritten and Enlarged. Medium 8vo. IOS. 6d. net. ABBREVIATED CONTENTS.-Principle of Action-Magnetic Leakage-Arrangement of Coils-Fundamental Equation-Losses in Transformers-Alloyed Plates-Influence of the E.M.F. Curve on Hysteresis Loss-Influence of the Shape of Core and Coils upon the Losses-Core and Shell Transformers-Usual Types-Construction of the Iron Part-Proportions of the Iron Part-Theory of Heating and Cooling-Results of Tests-Use of Vectors-Influence of the Linear Dimensions-Power of Alternating Current-Determination of No Load Current-Influence of Joints-Design of a Transformer-Best Distribution of Copper-Cost of Active Material-Best Distribution of LossesConstruction Details-Clock Diagrams-Working on Open Circuit-Working under Load-Working Diagram of Transformer having Leakage-Voltage Drop-Graphic Determination of Drop-The Dynamometer-The Wattmeter -Testing Transformers-Testing Sheet-Iron-Safety Appliances for Transformers-Sub-Stations and House Transformers-Boosters-Connection in Series-Choking Coils-Compensating Coils-Three-Wire System-Balancing Transformer-Examples of Modern Transformers-Index. "it has been a pleasure to read through this volume, which is undoubtedly of great value to the student, the designer, and the engineer who has to deal with transformers in everyday use."-Electrical Review. The volume is undoubtedly a most valuable treatise. It deals not only with questions of pure design, but also with the cost of operation and various other points."-Electrician. "This volume is the most complete and practical book we have seen on the subject."-Electrical Engineer. 2 White Hart Street, Paternoster Square, E.C. KAPP.-Electric Transmission of Energy, and its Transformation, Subdivision, and Distribution. By GISBERT KAPP, C.E., M.I.C.E., M.E.E. Fourth Edition, mostly re-written. With 166 Illustrations. Crown Svo. IOS. 6d. "This book is one which must of necessity be found in the hands of every one who desires to become acquainted with the best information on the subject."-Electrical Engineer. "The book is an excellent one in every way, and will, we imagine, long be regarded as the standard treatise on the electrical transmission of energy."-Mechanical World. KERR.-Coal-Mining. See Burns and Kerr. KINGSLEY.-Roses and Rose Growing. A Practical Handbook for Amateurs. By Miss ROSE G. KINGSLEY. With 28 Full-page Coloured Illustrations of Types of Roses, and Half-tone Illustrations. Demy 8vo. 6s. net. LAMPS, ELECTRIC. See Allsop and Maycock. LAND MEASURING TABLES. See Cullyer. LAND SURVEYING. See Middleton and Walmisley. LANDOLT.-Optical Activity and Chemical Composition. By Dr. H. LANDOLT, Professor of Chemistry in the University of Berlin. Translated by J. MCCRAE, Ph.D. 4s. 6d. CONTENTS.-Part I. General Principles of Optical Activity-Part II. Connexion between the Rotatory Power and the Chemical Composition of Carbon Com. pounds-Part III. Connexion between Degree of Rotation and Chemical Constitution-Index. "A remarkably clear exposition."—Nature. LATHES, ENGLISH AND AMERICAN. See Horner. LELAND.-Drawing and Designing. In a Series of 29 Lessons. LELAND.-Wood-carving. Edition. Foolscap 4to. 55. With numerous Illustrations. Fourth "A splendid help for amateurs and those beginning the trade. Without exception it is the best book have read at present."-Mr. T. J. PERRIN, Instructor in Wood-carving at the People's Palace. "I consider it the best manual I have seen."-Miss HODGSON, Instructor in Wood-carving at Manchester Technical School. LELAND. Leather Work. Stamped, Moulded, and Cut. CuirBouilli, Sewn, etc. With numerous Illustrations. Third Edition. 55. "A delightful addition to the series of practical manuals."-Times. LELAND.-Metal Work. Including Repoussé, Bent Iron, or Strip Work, Flat and Moulded Sheet Metal Work, Nail or Knob, Wire, Easy Silver Ornament and Chasing Work. Second Edition. With numerous Illustrations. 55. LELAND.--Practical Education. A Work on Preparing the Memory, Developing Quickness of Perception, and Training the Constructive Faculties. Fourth Edition. Crown 8vo., cloth. 6s. LENS WORK FOR AMATEURS. See Orford. LENSES, PHOTOGRAPHIC. See Taylor. LENSES. See Blakesley's "Geometrical Optics." 2 White Hart Street, Paternoster Square, E.C. LEVELLING AND LAND SURVEYING. See Walmisley. LIGHTNING CONDUCTORS AND GUARDS. See Lodge. LOCOMOTIVES, MODEL. See Alexander. LODGE.-Lightning Conductors and Lightning Guards. A Treatise on the Protection of Buildings, of Telegraph Instruments and Submarine Cables, and of Electric Installations generally, from Damage by Atmosphere Discharges. By Sir OLIVER J. LODGE, F.R.S., LL.D., D.Sc., M.I.E.E., Principal of Birmingham University. With numerous Illustrations. Crown 8vo. 155. "How they are essential, and in what manner they may be made most effective, is elaborately shown in the Professor's comprehensive and most instructive treatise, which is the work of one of our best authorities on modern theories of electricity and their practical application."-Times. LODGE. Electrons; or, the Nature and Properties of Negative Electricity. With numerous Illustrations. 6s. net. CONTENTS.-Properties of an Electric Charge-Electric Inertia-Foreshadowing of the Atom or Indivisible Unit of Electricity-Foreshadowing of the Electron -Determination of Speed and Electrochemical Equivalent of Cathode RaysDetermination of Electrochemical Equivalent in the Case of Electric Leakage in Ultra-Violet Light-Ionization of Gases-Determination of Mass of an Electron-Electron Theory of Conduction and of Radiation-Electric View of Matter, etc., etc. LOPPÉ AND BOUQUET.-Alternate Currents in Practice. A Practical Treatise upon their Application to Industries. Translated from the French of LOPPE and BOUQUET by F. J. MOFFETT, A.I.E.E. With 288 Illustrations. Crown 8vo. 6s. Polyphase Generators and Motors are fully treated in this book. CONTENTS.-Alternators-Motors-Transformers and Condensers-Direct Transformation of a Current of one System into one of another System-Distributing Mains-Distribution of Current-Commercial Measurement of Alternate Currents. "The work gives, perhaps, the best general survey of alternate current practice in a small compass which we have yet seen.... Mr. Moffett's translation is extremely good."-Engineer. LUBRICATION. See Wheeler. MAGINNIS. The Atlantic Ferry: Its Ships, Men, and Working. By A. G. MAGINNIS, M.I.N.A., late Assistant Superintendent of the White Star Line. With 80 Illustrations, many of them from scarce prints in the Author's possession. Third Edition, thoroughly Revised. Crown 8vo., cloth. 2s. 6d. net. CONTENTS.-Early Atlantic Steamers-Past American Lines-Allan, American, "A compendious and authentic history of the development, construction, and organization of the great floating palaces which now conduct the service of the ferry across the Atlantic."-Times. "No one who is interested in steam navigation should be without a copy."-Marine Engineer. MAGNETISM AND ELECTRICITY. See Ashworth, Bottone, and Maycock. MANUAL TRAINING. See Barter, Leland, and Miller. MANURES, TREATISE ON. See Griffiths. 2 White Hart Street, Paternoster Square, E.C. MARINE ENGINEERS, ADVICE TO. See Roberts. MARINE ENGINEERS, DRAWING AND DESIGNING. See Roberts. MASSEE. The Plant World: Its Past, Present, and Future. An "Its easy style, intelligible language, good arrangement, and many illustrations give it a high rank among books of its kind."-Scotsman. MATHEMATICAL TABLES. See Hutton. MAXIM.-Artificial and Natural Flight. A Practical Treatise on Aeroplanes, &c. By Sir HIRAM MAXIM. Second Edition. With 95 Illustrations. Demy 8vo. 5s. net. CONTENTS.-Introductory-Air Currents and the Flight of Birds-Flying of "This is a thoroughly practical book... it is to be highly recommended to all those studying the question."-Aeronautics. "The book is well illustrated, and contains a great deal of very useful information."-Aeronautical Journal. "Students who purchase a copy, and carefully study it, will obtain an excellent groundwork of the science."-Electrical Review. "This is a capital book to place in the hands of beginners in the study of electricity and magnetism." -Electricity. MAYCOCK.-Electric Lighting and Power Distribution. An Elemen tary Manual of Electrical Engineering for Students preparing for the Examinations of the City and Guilds of London Institute. Vol. I., with 331 Illustrations. Seventh Edition. Entirely re-written, Revised and Enlarged. 6s. net. ABBREVIATED CONTENTS.-Force, Mass, Work, Power, Energy, Units-Conductance, Resistance, Quantity, Current B.o.T. Unit, Ohm's Law Work and Power, Joule's Law, Heat Units, Condensers-Fall of Potential, Effects of a Current, Magnets for Direct and Alternating Currents-Experiments in Electro-Magnetic Induction, Self and Mutual Induction, Attraction and Repulsion of Currents-Electric Bell-fitting, Indicators, Relays, Circuit Diagrams -Magnetic Properties of Materials, the Magnetic Circuit, Susceptibility, Hysteresis-Board of Trade's Standards, Wheatstone and Slide-wire Bridges, Galvanometers, Voltmeters, Ammeters, Ohmmeters, Wattmeters, Recording Apparatus, etc.-Principle of the Dynamo, Armatures, Field Magnets, Excitation, Sparking, Commutators, Brush-holders-Illustrations and Descriptions of various Direct-Current Dynamos. CONTENTS.-Dynamos-Alternating Currents-Alternators and Double Current Generators-Motors-Meters-Transformers-Accumulators and Private Installations-Generating and Distributing Systems-Index. "This book is the best of its kfnd that we have come across, and it is safe to predict that the new edition will enhance its popularity."-Electrical Review. 2 White Hart Street, Paternoster Square, E.C. |