10 LIST OF WORKS ON ELECTRICAL SCIENCE. 



SEWALL, T. Elements of Electrical Engineering. Third Edition, revised. Illus- 

 trated. 8vo., cloth, 444 pp $3 .00 



The Construction of Dynamos (Alternating and Direct Current). A Textbook 



for students, engineering contractors, and Electricians-in-charge. Illus- 

 traced. 8vo., cloth, 316 pp $3.00 



SHELDON, S., and HAUSMANN,E. Dynamo-Electric Machinery: Its Construction, 



Design, and Operation. 

 Vol. I.: Direct-Current Machines. Eighth Edition., completely rewritten. 



Illustrated. 12mo., cloth, 281 pp Net, $2.50 



Vol. II.: Alternating-Current Machines: Eighth Edition, rewritten. 12mo., 



cloth, 353 pp Net, $2.50 



Electric Traction and Transmission Engineering. 127 illustration. 12mo., 



cloth. 317 pp Net, $2.50 



SLOANE, T. 'CONOR. Standard Electrical Dictionary. 300 Illustrations. 12mo., 

 cloth, 682 pp $3.00 



Elementary Electrical Calculations. A Manual of Simple Engineering 



Mathematics, covering the whole field of Direct Current Calculations, the 

 basis of Alternating Current Mathematics, Networks, and typical cases of 

 Circuits, with Appendices on special subject. 8vo., cloth. Illustrated. 

 304 pp Net, $2.00 



SNELL, ALBION T. Electric Motive Power. The Transmission and Distribution 

 of Electric Power by Continuous and Alternating Currents. With a Section 

 on the Applications of Electricity to Mining Work. Second Edition. 

 Illustrated. 8vo., cloth, 411 pp Net, $4 .00 



SODDY, F. Radio-Activity ; an Elementary Treatise from the Standpoint of the 

 Disintegration Theory. Fully Illustrated. 8vo., cloth, 214 pp. .Net, $3.00 



SOLOMON, MAURICE. Electric Lamps. Illustrated. 8vo., cloth. (Van Nos- 

 trand's Westminster Series.) Net, $2.00 



STEWART, A. Modern Polyphase Machinery. Illustrated. 12mo., cloth, 296 

 pp Net, $2.00 



SWINBURNE, JAS., and WORDINGHAM, C. H. The Measurement of Electric 

 Currents. Electrical Measuring Instruments. Meters for Electrical Energy. 

 Edited, with Preface, by T. Commerford Martin. Folding Plate and Numer- 

 ous Illustrations. 16mo., cloth, 241 pp. (No. 109 Van Nostrand's Science 

 Series.) 50 cents 



SWOOPE, C. WALTON. Lessons in Practical Electricity: Principles, Experi- 

 ments, and Arithmetical Problems. An Elementary Text-book. Twelfth. 

 Edition, enlarged with a cJiapter on alternating currents. 404 illustrations. 

 12mo., cloth, 507 pp Net, S- 00 



THIESS, J. B. and JOY, G. A. Toll Telephone Practice. 268 illustrations. Svo. 

 cloth, 429 pp Ni 



THOM, C., and JONES, W. H. Telegraphic Connections, embracing recent methods 

 in Quadruplex Telegraphy. 20 Colored Plates. 8vo., cloth, 59 pp. .$1 .50 



