Show MINERAL INDUSTRY INDUSTRY the mcgraw hill book company inc of new york is out with vol 24 of mineral industry this work is edited by G A roush A B M S associate professor department of metallurgy lehigh university it contains pages and as its name implies covers nearly every feature of the mineral and metallurgical world beginning with abrasives and treating on the subjects of rare metals the more well known metals coal petroleum gas and rocks and closing with special chapters on ore dressing and coal washing concentration by flotation data of the worlds principal mines and mineral statistics there are forty eight contributors to the work all of whom rank high in engineering metallurgical and technical circles s N mineral industry contains a wealth of valuable information concerning the occurrence of ores rare metals and earths and it covers practically all features of importance in the mining world it should be in the hands of every mining man engineer millman and prospector it will be sent to any address in the united states prepaid Pre paid by the salt lake mining review cost 10 net |