Canadian mining journal July-December 1915 . rn work devoted to the treatment ofores by concentration processes. It contains an abundance of useful and practical data onplant construction and operation. It discusses fundamentalprinciples with the same thoroughness as it does practicaldetails. Mr. Wiard undertakes to give the metallurgist, minemanager and engineer practical details employed in oredressing plants. For the mill-man he has embodied usefuldata on the care of machines. CONTENTS I. Preliminary considerations, Relating to Installation of Ore-dressing Testing Concentrating Or
Canadian mining journal July-December 1915 . rn work devoted to the treatment ofores by concentration processes. It contains an abundance of useful and practical data onplant construction and operation. It discusses fundamentalprinciples with the same thoroughness as it does practicaldetails. Mr. Wiard undertakes to give the metallurgist, minemanager and engineer practical details employed in oredressing plants. For the mill-man he has embodied usefuldata on the care of machines. CONTENTS I. Preliminary considerations, Relating to Installation of Ore-dressing Testing Concentrating Ores. III. Location of Mills. IV. Crushing Plant. Plant. VI. General Dissertation on Crushing, Heavy Crushing Machin-ery. VII. Rolls and Medium Crushers. VIII. Means for Raising Ore or Ore andWater. IX. Grading and Grading Devices According to Diameter and Volume. or Concentration Proper, Coarse Separation. XI. Preparation for Sandand Slime Concentration. XII. Miscellaneous Processes of Sand and Slime BOOK DEPT. CANADIAN MINING JOURNAL PURMAN 263-265 ADELAIDE ST. WESTTORONTO ONTARIO Nova Scotia Steel and Coal Co., Limited Proprietors, Miners and Shippers of SYDNEY MINES BITUMINOUS COAL. Unexcelled Fuel for Steamshipsand Locomotives, Manufactories, Rolling Mills, Forges, Glass Works, Brick and Lime Burning, Coke, Gas Works,and for the Manufacture of Steel, Iron, Etc. COLLIERIES AT SYDNEY MINES, CAPE BRETON. Manufacturers of Hammered and Rolled Steel for Mining Purposes Pit Rails, T Rails, Edge Rails, Fish Plates, Bevelled Steel Screen Bars, Forged Steel Stamper Shoes and Dies,Blued Machinery Steel 3-8 to 1-4 Diameter, Steel Tub. Axles Cut to Length, Crow Bar Steel. Wedge Steel, Pick Steel, Draw Bar Steel, Forging of all kinds, Bright Compressed Shafting 5-8 to 5 trueto 2/1000 part of an inch. A full stock of Mild Flat, Rivet Round and Angle Steels always on hand. SPECIAL ATTENTION PAID TO MINERS REQUIREMENTS. CORRESPON
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