8 LIST OF WORKS ON ELECTRICAL SCIENCE. 



URQUHART, J. W. Dynamo Construction. A Practical Handbook for the use 

 of Engineer Constructors and Electricians in Charge. Illustrated. 12mo, 

 cloch. $3.00. 



Electric Ship-Lighting. A Handbook on the Practical Fitting and Running of 

 Ship's Electrical Plant, for the use of Ship Owners and Builders, Marine 

 Electricians, and Sea-going Engineers in Charge. 88 Illustrations. 12mo, 

 cloth. $3.00. 



Electric-Light Fitting. A Handbook for Working Electrical Engineers, em- 

 bodying Practical Notes on Installation Management. Second Edition, with 

 additional chapters. With numerous Illustrations. 12mo, cloth. $2.00. 



Electroplating. Fourth Edition. 12mo, cloth. $2.00. 



Electrotyping. 12mo, cloth. $2.00. 



WADE, E. J. Secondary Batteries: Their Theory, Construction, and Use. With 

 innumerable Diagrams and Figures. 8vo, cloth. Illustrated. Net, $4.00. 



WALKER, FREDERICK. Practical Dynamo-Building for Amateurs. How to 

 Wind for any Output. Illustrated. 16mo, cloth. (No. 98 Van Nostrand's 

 Science Series.) 50 cents. 



WALLING, B. T., Lieut-Corn. U.S.N., and MARTIN, JULIUS. Electrical Installa- 

 tions of the United States Navy. With many Diagrams and Engravings. 

 In press. 



WATT. Electroplating and Refining of Metals. 8vo, cloth. Illustrated. Net, 



$4.50. 

 Electro-Metallurgy. Eleventh Edition. 12mo, cloth. $1.00. 



WEBB, H. L. A Practical Guide to the Testing of Insulated Wires and Cables. 

 Illustrated. 12mo, cloth. $1.00. 



WEEKS, R. W. The Design of Alternate-Current Transformer. New Edition. 

 In press. 



WEYMOUTH, F. MARTEN. Drum Armatures and Commutators. (Theory and 

 Practice.) A complete treatise on the theory and construction of drum- 

 winding, and of commutators for closed-coil armatures, together with a full 

 resume" of some of the principal points involved in their design; and an 

 exposition of armature reactions and sparking. Illustrated. 8vo, cloth. 

 $3.00. 



WILKINSON, H. D. Submarine Cable-Laying, Repairing, and Testing. 8vo, 

 cloth. Reprinting. 



