SCIENCE-ADVERTISEMENTS 



ON PHYSICS AND CHEMISTRY 



WHITE — Technical Gas and Fuel Analysis Published Sept. 1, 1913 



By ALFRED H. WHITE, Professor of Chemical Engineering, University of Michigan. 276 



pages, 53^x8. 47 illustrations, $2.00. 

 It discusses methods for insuring accuracy in tests. Prof. White bases his work on the various 

 committee and official reports and gives a wealth of useful information. 



LORD & Z)^MOi?£Sr— Metallurgical Analysis Published Sept. 1, 1913 



By the late NATHANIEL W. LORD and DANA J. DEMOREST, Professor of Metallurgy, 



Ohio State University. Third Edition. Revised, Reset and Enlarged. 330 pages, 53^x8. 



Illustrated, $2.50. 



It gives both the standard and several new methods for analyzing iron and steel, materials used 



in their manufacture, fuels, etc. 



NORRIS — Organic Chemistry 



By JAMES F. NORRIS, Professor of Chemistry, Simmons College, Boston, Mass. 566 

 pages, 53^x8. Illustrated, $2.50. 

 It presents the subject matter from the viewpoint of an experienced and thoughtful teacher who 

 has given much attention to order and methods of presentation. 



CADY — Inorganic Chemistry 



By HAMILTON PERKINS CADY, Professor of Chemistry, University of Kansas. 606 



pages, 5,V^x8. Illustrated, $2.50. 

 A distinctive attempt to make an advance in methods of instruction. It is the result of a 

 logical rearrangement of the subject matter which has been tried out by the author for several years 

 in his classroom work. 



CHRISTIE— Electncal Engineering 



By CLARENCE V. CHRISTIE, Assistant Professor of Electrical Engineering, McGill Uni- 

 versity, Montreal. 390 pp., 6x9. Illustrated, $4.00. 

 A treatment of underlying principles, designed primarily as a textbook. 



MAUBORGNE — Practical Uses of the Wave Meter in Wireless Telegraphy 



By 1st Lieut. J. O. MAUBORGNE. 74 pp., 6x9. $1.00. 

 It aims to encourage the use of the wave meter and gives in a clear manner information that is 

 practically necessary for an understanding of the proper methods of operation to comply with the 

 requirements of the recent statutes. 



COHEN — Formulse and Tables for the Calculation of Alternating Current 

 Problems. 



By LOUIS COHEN, formerly U. S. Bureau of Standards. 281 pages, 6x9. $3.00. 

 It brings together in compact form all the important formula which are necessary and helpful 

 in the solution of alternating current problems. 



GOODWIN — Elements of the Precision of Measurements and Graphical 



Methods. 

 By H. M. GOODWIN, Professor of Physics, Massachusetts Institute of Technology. 104 

 pages, 6x9, illustrated. $1.25. 

 A textbook giving principles and problems for a brief classroom and laboratory course. 



PALMER — The Theory of Measurements 



By A. Deforest palmer. Associate Professor of Physics in Brown University. 248 

 pages, with tables and diagrams. $2.50. 

 Discusses principles and the development of methods of measurements. It meets the need for 

 a thoroughly practical treatise. 



239 West 39th Street NEW YORK 



