II ADVERTISEMETsTS. 



RICHARD P. ROTHWELL, 0. E., M, E,, Editor, 



ROSSITER W. RAYMOND, Ph, D,, M, E,, Special Contributor, 

 SOPHIA BRAEUNLICH, Business Manager, 



THE ENGINEERING AND MINING JOURNAL is conceded to be 

 " the best mining paper in the world." Its reports, criticisms on 

 the technical information it gives, its market reports, and its 

 peerless and impartial criticisms of things calculated to injure 

 legitimate mining investments have gained the approval and 

 confidence of the entire mining industry. 



Gives everything new and valuable to the Engineer, the 

 Miner, the Metallurgist, the Investor, and the general reader 

 who desires to understand 



THE FOUNDATIONS OF WEALTH, 



how metals and minerals are produced, manufactured and used. 



PROFUSELY ILLUSTRATED. 



BEST A33VEHTISI1VO MEIXETJM. 



The Largest Circulation of any Technical Paper 

 in America. 



SUBSCRIPTION, INCLUDING POSTAGE: 



Weekly Edition (which includes the Export Edition), for the United States, 

 Mexico, and Canada, $4.00 per annum ; $2. 25 for six months ; all other countries in 

 the postal union, $5.00. 



Monthly Export Edition, all countries, $2.50 gold value per annum. 



THE SCIENTIFIC PUBLISHING COMPANY, 



FTJBLISHEKS., 

 27 PARK PLACE, NEW YORK. 



