ALTERNATIXG CURRENT ELECTRICITY AND ITS APPLI- 

 CATION TO INDUSTRY. First Course. By W. H. Timbie, 

 Head of Department of Applied Science, Wentworth Institute, 

 and H. H. Higbie, Professor of Electrical Engineering, University 

 of Michigan, x+,534 pages, 5U by 8. 389 figures. Cloth, $2.00 

 net. Second Course, Fall, 1915. 



ELECTRIC LIGHTING. By H. H. Higbie, Professor of Electrical 

 Engineering, University of Michigan. {In preparation.) 



INTRODUCTION TO INDUSTRIAL ELECTRICITY. By W. H. 



TiMBiE, Head of Department of Apphed Science, Wentworth 

 Institute. (In preparation.) 



WIRING EXERCISES. By H. A. Calderwood, Carnegie Institute 

 of Technology. {In preparation.) 



HEAT AND HEAT ENGINEERING 



HEAT; A Text-book for Technical and Industrial Students. By 



J. A. Rand.all, Instructor in Mechanics and Heat, Pratt Institute, 

 -xiv -1-331 pages, 5M by 8. 80 figures. Cloth, $1..50 net. 



GAS POWER. By C. F. Hirshfeld, Professor of Power Engineering, 

 Sibley College, Cornell University, and T. C. Ulbricht, formerly 

 Instructor, Department of Power Engineering, Cornell University. 

 viii-|-198pages, 534 by 8. 60 figures. Cloth, $1.25 reet. 



STEAM POWER. By C. F. Hirshfeld, Professor of Power Engi- 

 neering, Sibley College, Cornell University, and T. C. Ulbricht, 

 formerly Instructor, Department of Power Engineering, Cornell 

 University. (Ready in Fall, 1915.) 



HEAT AND LIGHT IN THE HOUSEHOLD. By W. G. Whitman. 



State Normal School, Salem, Mass. {In preparation.) 



MECHANICS 



ELEMENTARY PRACTICAL MECHANICS. By J. M. Jameson, 

 Girard College, formerly Pratt Institute. ,\ii-|-321 pages, 5 by 1%. 

 212 figures. Cloth, $1.50 net. 



MECHANICS FOR MACHINISTS. By R. W. Burnham, Erasmus 

 Hall High School, Brooklyn, Instructor in Evening Machine Work, 

 Pratt Institute. {In preparation.) 



