LIST OF WORKS ON ELECTRICAL SCIENCE. 



MANSFIELD, A. N. Electromagnets: Their Design and Construction. Second 

 Edition. Illustrated. 16mo., cloth, 155 pp. (Van Nostrand's Science 

 Series No. 64) 50 cents 



MASSIE, W. W., and UNDERBILL, C. R. Wireless Telegraphy and Telephony 

 Popularly Explained. Illustrated. 12mo., cloth, 82 pp Net, $1 .00 



MAURICE, W. Electrical Blasting Apparatus and Explosives, with special 

 reference to colliery practice. Illustrated. 8vo., cloth, 167 pp. .Net, $3.50 



The Shot Firer's Guide. A practical manual on blasting and the prevention 



of blasting and accidents. 78 illustrations. 8vo., cloth, 212 pp. Net, $1.50 

 MONCKTON, C. C. F. Radio Telegraphy. 173 illustrations. 8vo., cloth. 272 pp 



Net, $2.00 



MORECROFT, J. H. and HEHRE, F. W. A Short Course in Testing of Electrical 

 Machinery. Second Edition. 84 Illustrations. 8vo., cloth, 160 pp. 



Net, $.150 



MORGAN, ALFRED P. Wireless Telegraph Construction for Amateurs. 153 illus- 

 trations. 12mo., cloth, 220 pp Net, $1.50 



NIPHER, FRANCIS E. Theory of Magnetic Measurements. With an Appendix 

 on the Method of Least Squares. Illustrated. 12mo., cloth, 94 pp.$l .00 



OHM, G. S. The Galvanic Circuit Investigated Mathematically. Berlin, 1827. 

 Translated by William Francis. With Preface and Notes by the Editor, 

 Thos. D. Lockwood. Second Edition. Illustrated. 16mo., cloth, 269 pp. 

 (No. 102 Van Nostrand's Science Series.) 50 cents 



OLSSON, ANDREW. Motor Control as used hi Connection with Turret Turning 

 and Gun Elevating. (The Ward Leonard System.) 13 illustrations. 12mo., 

 paper, 27 pp. (U. S. Navy Electrical Series No. 1.) Net, 50 cents 



OUDIN, MAURICE A. Standard Polyphase Apparatus and Systems. Illustrated 

 with many Photo-reproductions, Diagrams, and Tables. Fifth Edition, 

 revised. 8vo., cloth, 369 pp Net, $3 . 00 



PALAZ, A. Treatise on Industrial Photometry. Specially applied to Electric 

 Lighting. Translated from the French by G. W. Patterson, Jr., Assistant 

 Professor of Physics in the University of Michigan, and M. R. Patterson, 

 B. A. Second Edition. Fully illustrated. 8vo., cloth, 324 pp $4.00 



PARR, G. D. A. Electrical Engineering Measuring Instruments for Commercial 

 and Laboratory Purposes. With 370 Diagrams and Engravings. Svo., 

 cloth, 328 pp Net, $3.50 



PARSHALL, H. F. and HOBART, H. M. Armature Windings of Electric Machines. 

 Third Edition. With 140 full- page Plates, 65 Tables, and 165 pages of 

 descriptive letter-press. 4to., cloth, 300 pp $7 . ~ s 



Electric Railway Engineering. With 437 Figures and Diagrams and many 



Tables. 4to., cloth, 475 pp Net, $10 .00 



Electric Machine Design. Being a revised and enlarged edition of "Electric 



Generators." 648 Illustrations. 4to., half morocco, 601 pp.. Net, $12.50 



