and engineering journal . JOHN DAVIS& SON(Derby), LTD Full Particular! OkuO* FumMti by Ikt SoU ifit. BARTLE & COMPANY. LTD. HOUSE, Bos : Phone 3663. »n,l at Kimberley ml Durban. 220 THE MINING AND ENGINEERING JOURNAL. Jbure, October 15. 1921. 4810 Air Hose The Air Hose that helped to break the WorldsStopingRecord at the Van Ryn Deep Gold Mine 3 Holman Cradle Hammer ( 2) Drills ; 26 Working Shifts ; 78 Machine Shifts ;69 inch Stope Width. September 2nd to October 1st, 1921. Fathoms broken 248 Fathoms per Machine Shift. Made possible by goo
and engineering journal . JOHN DAVIS& SON(Derby), LTD Full Particular! OkuO* FumMti by Ikt SoU ifit. BARTLE & COMPANY. LTD. HOUSE, Bos : Phone 3663. »n,l at Kimberley ml Durban. 220 THE MINING AND ENGINEERING JOURNAL. Jbure, October 15. 1921. 4810 Air Hose The Air Hose that helped to break the WorldsStopingRecord at the Van Ryn Deep Gold Mine 3 Holman Cradle Hammer ( 2) Drills ; 26 Working Shifts ; 78 Machine Shifts ;69 inch Stope Width. September 2nd to October 1st, 1921. Fathoms broken 248 Fathoms per Machine Shift. Made possible by good Drills, plus good operators, plus the Air Hose that delivers 100% air efficiency, without internal flaking or kinking—Records are possible if you specify 4810 Air Hose. UNITED STATES RUBBER CO. (), LTD OLD STANDARD BANK BLDG., 65, COMMISSIONER STREET, JOHANNESBURG. Phone 4201. Tel. Add. : IRPCOSA. Box 4945. Capetown and Durban.
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectmineralindustries
