SCIENCE-ADVERTISEMENTS 



IMPORTANT NEW 



McGraw-Hill Books 



Published Since Sept. 1st, 1913 



ELECTRICAL ENGINEERING (Nov.) 



By Clarence V. Christie, Asat. Prof, of Elect. Eng., McGill U. Over 450 pages, $4.00. 



SHOP SKETCHING (Nov.) 



By J. W. WooLET and R. B. Meredith, TJniv. of Wis. Extension Division. 104 pages, $1.00. 



PRINCIPLES OF INDUSTRIAL ORGANIZATION (Oct.) 



By Dexter S. Kimball, Prof, of Machine Design and Construction, Cornell U. 300 pages, $2.50. 



MINE SURVEYING (Oct.) 



By Edward B. DnHHAM, Assoc. Prof, of Mining, U. of Calif. 390 pages, leather, $3.50. 



REINFORCED CONCRETE CONSTRUCTION (Oct.) 



Vol. II. Retaining Walls and Buildings 



By George A. Hool, Asst. Prof, of Struct. Eng., U. of Wis. Extension Div. 675 pages, $5.00. 



PLATE GIRDER DESIGN (Oct.) 



By Lewis E. Moore, Assoc. Prof, of Struct. Eng., Mass. Inst, of Tech. 285 pages, $3.00. 



LABORATORY MANUAL OF TESTING MATERIALS (Sept.) 



By William K. Hatt, Prof., and Herbert H. Scofield, Asst. Prof, in Materials Testing Lab., 

 Purdue U. 130 pages, $1.25. 



FORMULAE AND TABLES FOR THE CALCULATION OF 



ALTERNATING CURRENT PROBLEMS (Sept.) 



By Louis Cohen. 281 pages, $3.00. 



HYDRAULIC TURBINES (Sept.) 



By R. L. Daughertt, Asst. Prof., Cornell XJ. 160 pages, $2.00. 



POWER PLANT TESTING (Sept.) 



By James A. Moter, Prof, of Mech. Eng., Penn State College. Second ed. 532 pages, $4.00. 



OVERHEAD ELECTRIC POWER TRANSMISSION (Sept.) 



By Alfred Still, Asst. Prof, of Elect. Eng., Purdue U. 306 pages, $3.00. 



INTRODUCTION TO THE STUDY OF IGNEOUS ROCKS (Sept.) 



By George I. Finlay, Ph.D., Asst. Prof, of Geology, New York U. 228 pages, $2.00. 



MINERAL DEPOSITS (Sept.) 



By Waldemar Lindgren, in charge of the Dept. of Geol., Mass. Inst, of Tech. 882 pages, $5.00. 



GENERAL METALLURGY (Sept.) 



By H. O. HoFMAN, Prof, of Metallurgy, Mass. Inst, of Tech. 909 pages, $6.00. 



International Chemical Series 



TECHNICAL GAS AND FUEL ANALYSIS (Sept.) 



By Alfred H. White, Prof, of Chem. Eng., U. of Mich. 276 pages, $2.00. 



METALLURGICAL ANALYSIS (Sept.) 



By the Late Nathaniel W. Lord and Dana J. Demokest, Prof, of Metallurgy, Ohio State U. 

 Third ed. 330 pages, $2.50. 



McGraw-Hill Book Co., Inc. 



239 West 39th Street NEW YORK 



