Show NEW EDITION OF C concentrating 9 ores by flotation lo tation by THEODORE J HOOVER CLOTH INCHES POSTPAID FIGURES PAGES 60 the demand for the first edition was vas A so great that it was speedily exhausted many were unable to secure copies this new edition greatly enhances the value of this work as a book of reference it has been most carefully revised broil brought lit up tip to date and contains new matter of lb great informative value the results of the important litigation recently concluded have been incorporated a ted as well as a chapter on the latest advances in the study of selective flotation FOR SALE BY THE SALT LAKE MINING REVIEW 1601 SALT WALKER LAKE CITY BANK UTAH MINING ENGINEERS examination AND REPORT BOOK by CHARLES JANIN consulting mining engineer published january 1913 in in I 1 0 2 hn part 1 I 94 pages x in in leather 0 tfx n CA druc n parts Part sPart if 57 pages x 5 in boards cju postpaid rOSt Raid PART OART I 1 is a handbook c covering examination of and reporting upon mines mines and m mining inin outa property part 11 II is a skeleton report serving three purposes first an outline ine ot or a model report second a field note book or third a blank form on which the final report may be submitted the first pages of part I 1 are devoted to an enumeration of the points which a complete report should cover the sub headings are names of claims location titles history topography po geology mining facilities equipment development methods 0 of f working production methods of ore treatment sampling Sam pung ore reserves operating costs mine valuation the examination of placers is fully discussed and an outline of a placer report is given methods and cost of sampling with keystone and empire hand drills are included the following headings give the contents in brief of the remaining rem aaning pages each subject being treated in a short concise but accurate article examination of title blank forms classification of igneous rocks study of ore deposits representative costs including much actual and cost data weight measures conversion tables and factors amount of material required for buildings water power including the flow of water in flumes blumes ditches and pipes horse power of water etc power plants transmission lines relative values of wood coal and oil for fuel company reports flow sheets etc blank pages for individual notes are included part II 11 may be used to serve either of the three noted purposes above it is printed upon a good bond paper which takes ink freely on the pages intended for maps a background of cross section paper is printed in an ideal gray ink making sketching medium part II 11 fits snugly in a pocket the back of part I 1 and the at the complete work will go easily into ordinary coat pocket part II 11 is sold cents each separately at 50 for sale ap the SALT LAKE MINING REVIEW testing for U AV metallurgical processes by JAMES A BARR pages illustrated indexed 2 POSTPAID this book is de signed designed to assist in the selection of the process of treatment for any ore the author describes the apparatus employed in making laboratory and small lot tests it is founded upon experimental work at the michigan college of mines and the methods recommended have been tested in practice it is brief and practical equally valuable to the student and the practicing engineer for sale by the salt sall lake mining review |