242с

1920г

HANDBOOK OF

ORE DRESSING

EQUIPMENT AND PRACTICE

BY

A. W. ALLEN

METALLURGICAL ENGINEER AUTHOR OF " MILL AND CYANIDE HANDBOOK" MEMBER OP THE INSTITUTION OP MINING AND METALLURGY, THE MINING AND METALLURGICAL SOCIETY OF AMERICA, AND THE AMERICAN INSTITUTE OP MINING AND METALLURGICAL ENGINEERS

First Edition Second Impression

McGRAW-HILL BOOK COMPANY, Inc. NEW YORK: 370 SEVENTH AVENUE

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