WILEY'S PUBLICATIONS 



INDEX OF MINING ENGINEERING LITERATURE : 



Volume I. 813 pages, 6x9. Cloth, $4.00 net. Morocco, $5.00 net. 

 Volume II. 445 pages, 6x9. Cloth, $3.00 net. Morocco, $4.00 net. 



By Walter R. Crane, Ph.D., Dean of the School of Mines, and Professor of 



Mining, The Pennsylvania State College. 



These volumes comprise an index of mining, metallurgical, civil, mechanical, 

 electrical and chemical engineering subjects as related to mining engineering. 



By means of the cross-references it is possible to find a large amount of 

 information that would otherwise be inaccessible except for a vast amount of 

 research, few having the time and patience to devote to such work. 



Other Books by Professor Crane : 



ORE MINING METHODS 



Comprises descriptions of methods of support in extraction of ore, detailed 

 descriptions of methods of stoping and mining in narrow and wide veins and 

 bedded and massive deposits including stull and square-set mining, filling and 

 caving methods, open-cut work and a discussion of costs of stoping. 



219 pages, 6x9, 60 full-page plates. Cloth, $3.00 net. 



GOLD AND SILVER 



An economic history of mining in the United States, the geographical and 

 geological occurrences of the precious metals, with their mineralogical associa- 

 tions, history and descriptions of methods of mining and extraction of values, 

 and a detailed discussion of the production of gold and silver in the world and 

 the United States. 



727 pages, 6x9, illustrated. Cloth, $5.00 net. 



INTRODUCTION TO THE RARER ELEMENTS 



Third Edition, Thoroughly Revised 

 By Philip E. Browning, Ph.D., Assistant Professor of Chemistry, Kent 

 Chemical Laboratory, Yale University. 



A convenient handbook for the introductory study of the rarer elements. 



On Approval 



If cash accompanies your order we will forward copies of any of our publi- 

 cations for ten days approval. If found unsuited to your needs, we will refund 

 your money, provided the books are returned within ten days after their receipt. 



JOHN WILEY & SONS, Inc. 



432 FOURTH AVENUE, NEW YORK CITY 



London, CHAPMAN & HALL. Ltd. Montreal, Can., RENOUF PUB. CO. 



