| | Report (issue) | . . ,, 13 . . . ,, 62 PLATE IV 1. Machining with a Stellite toolbit .. 2. Excavator track hardfaced with...Selection Trust Ltd.; Rhokana Corporation Ltd.; Rhoanglo Mine Services Ltd.; Anglo-American Corporation of South...Belgium; Dr. A. Gosseye of the former Direction du Service Geologique, Belgian Congo; Mr. R. A. Wells, National... • Cobalt INTRODUCTION Cobalt is a silvery-white metal with a slight bluish tinge, closely resembling...Stockholm, it is only during the last three-quarters of a century or so that the metal has assumed considerable | | | Book | anywhere in the book. The size of the indicated by a The photographs in this book were taken by Peter...Italy by Officine Grafiche Mondadori, Verona Printed A. Congress Catalog Card No 77-71 1 974 1 Contents...part, which is illustrated by line drawings, and a descriptive part, which is illustrated by line drawings...to the appropriate section of the book, whereas if a tentative identification has been made, then reference...stratigraphical column is given on page 310, and will be a particularly valuable reference for collectors of | | | Book (edition) | y 5 ie : a For. Be ‘Che ae 's.- Digitized by the Internet Archi ee _ in 2022 with funding fror... oe A TREATISE ON ORE DEPOSITS J. ARTHUR PHILLIPS, V.P.G.S., ANCIEN AUTHOR OF “‘A MANUAL... AT THE WITH LOUIS, SoM.,, sl; O.peh C.Ge ** A HANDBOOK DURHAM OF COLLEGE NUMEROUS M.A. eC...on the subject which has _ appeared in English is a translation of Von Cotta’s Lehre von den Lrzlagerstitten...recent formation are described, while, as a means of forming a standard of their comparative importance |
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