ELECTRIC SHIP-LIGHTING A HANDBOOK ON THE PRACTICAL FITTING AND RUNNING OF FOR THE USE OF SHIP OWNERS AND BUILDERS, MARINE ELECTRICIANS BY JOHN W. URQUHART, ELECTRICIAN AUTHOR OF ELECTRIC LIGHT," 22.3N Scientific School, WORKS BY JOHN W. URQUHART, C.E. (Uniform with the present volume.) Crown 8vo, price 7s. 6d. cloth. ELECTRIC LIGHT: Its Production and Use. Em- "The whole ground of electric lighting is more or less covered and explained in a very clear and concise manner."-Electrical Review. "A miniature vade-mecum of the salient facts connected with the science of electric lighting."-Electrician. Crown 8vo, price 5s. cloth. ELECTRIC LIGHT FITTING: A Handbook for "A really capital book. We recommend it to working electricians and engineers."-Mechanical World. A better book on the subject could not be imagined."-Colliery Guar dian. Crown 8vo, price 7s. 6d. cloth. DYNAMO CONSTRUCTION: A Practical Hand- "Mr. Urquhart's book is the first one which deals with these matters in such a way that the engineering student can understand them. It is very readable." Engineering Review. Crown 8vo, Second Edition, revised with additions, price 5s. cloth. ELECTRO-PLATING: A Practical Handbook, including the practice of Electro-typing. "An excellent practical manual."-Engineering. "Any amateur will find no difficulty in understanding the book from beginning to end."-Spectator. Crown 8vo, price 5s. cloth. ELECTRO-TYPING: A Practical Manual on the "A guide, not only to beginners in the art, but to those who still practise the old and imperfect methods of electro-typing."--Iron. "The book throughout is entirely practical, and is lucid and clear in style. It is a reliable work."-Paper and Printing Trades Journal. CROSBY LOCKWOOD & SON, 7, STATIONERS' HALL COURT, E.C. PREFACE. THE following pages contain practical details of the installation and running of Electrical Plant aboard Ship. While a considerable proportion of the whole is allotted to the treatment of such subjects as the use of electricity in ships of war, and its application to navigating purposes in the mercantile marine, the greater portion is devoted to the electric lighting of steamers. This is a subject which has within a short recent period assumed very considerable importance. While electric lighting has at length proved itself suitable for every kind of illumination, its rapid adoption for steamships indicates its special adaptability to that purpose. The difficulties and dangers of the old system of lighting by oil lamps doubtless led in the first instances to the trial of electricity aboard ship. There were many dismal predictions of failure, none of which, happily, have been fulfilled. Electric shiplighting is unquestionably a safe method of lighting. It adds immensely to the comfort of ocean-going passenger steamers. It assists below decks in maintaining the purity of the atmosphere-always a source of difficulty in ships carrying emigrants. It generally permits of insurances being effected at diminished |