and engineering journal . RobinsRotary Grizzlies For the coarse screening of coal, coke,ore and stone, Robins PatentRotary Grizzlies are widely used in-stead of trommels, shakers, bargrizzlies, etc. In their low power, space, and head-room requirements, amazingly highcapacity per unit screening area, easeand low cost of upkeep, high compar-ative efficiency, and freedom from thevibration which is characteristic ofother types of screens, they are mark-edly superior to other screening de-vices for this class of duty. For full information address*— Robins Conveyors (), Ltd. (Head Off
and engineering journal . RobinsRotary Grizzlies For the coarse screening of coal, coke,ore and stone, Robins PatentRotary Grizzlies are widely used in-stead of trommels, shakers, bargrizzlies, etc. In their low power, space, and head-room requirements, amazingly highcapacity per unit screening area, easeand low cost of upkeep, high compar-ative efficiency, and freedom from thevibration which is characteristic ofother types of screens, they are mark-edly superior to other screening de-vices for this class of duty. For full information address*— Robins Conveyors (), Ltd. (Head Office : Robins Conveying Bell Co., New York. > 1 )PO. Box 4736, Phonf182, JOHANNESBURG. 782 THE MINING AND ENGINEEEING JGURNAL. Jburg, February 1, 1922 FRASER & CHA Designers and Contractors for all c Representatives for L. G. Mouchel & Pan n n n of the HENNEBIQl. (1) Water Tower for Munici]Abattoirs. (2) Interior views of new premiifor British General Elect:Coy., Johannesburg. Desiand reinforcement suppl:for the complete frambuilding. (3) Grain Silo 10,000 tons capacfor South African Milling CcPort Elizabeth. (Second portat present under construction. (Below) Reservoir 5,000,000 galbuilt for th<
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectmineralindustries
