Now Ready 



METALLURGY OF THE COALMON METALS 



Fifth Edition, Revised and Enlarged 



By Leonard S. Austin, formerly Professor of Metallurgy and Ore Dress- 

 ing, Michigan College of Mines. 



This Fifth Edition has been largely rewritten to bring it in accord with 

 present practice in the metallurgy of the common metals (gold, silver, iron, 

 copper, lead and zinc). 



A chapter devoted to questions of the economic situation of the business of 

 metallurgy is included, dealing with the rapid advance in price and the con- 

 sequent serious modification of the costs of operation. 



"Metallurgy of the Common Metals" has 615 pages, 6 by 9 inches, and 

 178 figures. It is bound in cloth — price, $7.00 postpaid. 



PATTERSONS FRENCH-ENGLISH 

 DICTIONARY FOR CHEMISTS 



By Austin M. Patterson, Ph.D., formerly Editor of "C/iem?ca^ Abstracts,'" 



This French-English Dictionary has been written as the result of many 

 requests for a vocabulary along the same lines as the author's very successful 

 German-English Dictionary. Over 32,000 definitions are given. 



403 pages, 5 by 7, flexibly bound $3.00 postpaid. . 



PATTERSON'S GERMAN-ENGLISH 

 DICTIONARY FOR CHEMISTS 



By Austin M. Patterson, Ph.D. 



Over 30,000 definitions are given, including terms from all branches of 

 Chemistry and the various chemical industries. 



332 pages, 5 by 7 inches, flexibly bound S2.50 postpaid. 



Send for Free Examination copies of these books. 



JOHN WILEY & SONS. Inc. 



432 Fourth Avenue, New York 

 London : Chapman & Hall, Ltd. 



AJS-7-21 



