SCIENCE-ADVERTISEMENTS 



New McGraw-Hill Books 



Physics for Technical Students 



Anderson— (March. 1914) 



Mechanics and Heat 



By William Ballantyne Anderson, Ph.D., Associate Professor of Physics, Iowa State 

 College. 349 pages, 6x9, 150 illustrations, $2.00 (8/4) net, postpaid. 

 The first reports on this book, from colleges, are favorable and confirm our own 



opinion of its usefulness. 



The author covers Mechanics and Heat from the practical side, for those who are 



preparing for courses in engineering and agriculture. 



Johannsen— (March, 1914) 



Manual of Petrogfraphic Methods 



By Albert Johannsen, Ph.D., Assistant Professor of Petrology, The University of 

 Chicago. 649 pages, 6x9, 765 illustrations, $6.00 (25s) net, postpaid. 

 A full reference and text-book for advanced students ; the first complete work in 



English. 



Daly 



(Feb., 1914) 



Igfneous Rocks and Their Origin 



By Reginald Aldwobth Daly, Sturgis-Hooper Professor of Geology, Chairman of the 

 Department of Geology, Harvard University. 563 pages, 6x9, 205 illustrations, 

 $4.00 (17s) net, postpaid. 



In Preparation for Autumn 



A few titles of exceptional importance which will be available for examination 

 before the opening of classes in September. 



We shall be pleased to advise you when any or all of them are ready, if you wish us 

 to do so. 



Crystallography 



ByT. L. Walker, M.A., Ph.D., Professor 

 of Mineralogy and Petrography, University 

 of Toronto. 



Metallurgy of Copper 



By H. O. HOFMAN, E.M., Met. E., Ph.D., 

 Professor of Metallurgy, MassachusettB In- 

 stitute of Technology; Author of " General 

 Metallurgy"; "Metallurgy of Lead." The 

 2d volume of Prof. Hofman's Series. 



Foundations of Bridges and Buildings 



By Hbney S. Jacoby, C.E., Professor of 

 Bridge Engineering, Cornell University, and 

 Roland P. Davis, S.B., M.C.E., Professor 

 of Structural and Hydraulic Engineering, 

 West Virginia University. 



American Sewage Practice — Vol. 1, Sewage 



By Leonard Metcalf and Harrison P. 

 Eddy, Consulting Engineers, Boston, Mass. 



Design of Steel Bridges 



By F. C. KUNZ, Consulting Engineer. 



McGraw-Hill book company, inc. 



239 West 39th Street, NEW YORK 



BERLIN 



