and engineering journal . p Dipping Tanks, Silo Construction, etc. Do not be tempted to try other brands for the sake of saving a few pence per bag, but use PRETORI\ PORTLAND CEMP]NT. every bag of which is guaranteed by the .^lannfacturers. PROCURABLE FROM ALL MERCHANTS IN SOUTH AFRICA. Head Office: Box 405. PRETORIA. Sales Offices: 131-132, CULLINAN BUILDINGS, JOHANNESBURG. Telephone No. S890. Cables : McKECHNIE, WIDNES. SMELTING WORKS: McKECHNIE BROTHERS WTONES, ENGLAND. LONDON OFHCE : 11 LOMBARD STREET. AUo at BIRMINGHAM, NEWCASTLE and MANCHESTER. BUYERS o) COPPER, SILVE


and engineering journal . p Dipping Tanks, Silo Construction, etc. Do not be tempted to try other brands for the sake of saving a few pence per bag, but use PRETORI\ PORTLAND CEMP]NT. every bag of which is guaranteed by the .^lannfacturers. PROCURABLE FROM ALL MERCHANTS IN SOUTH AFRICA. Head Office: Box 405. PRETORIA. Sales Offices: 131-132, CULLINAN BUILDINGS, JOHANNESBURG. Telephone No. S890. Cables : McKECHNIE, WIDNES. SMELTING WORKS: McKECHNIE BROTHERS WTONES, ENGLAND. LONDON OFHCE : 11 LOMBARD STREET. AUo at BIRMINGHAM, NEWCASTLE and MANCHESTER. BUYERS o) COPPER, SILVER and GOLD MATTES and PRECIPITATES. COMPLEX ORES METAL RESIDUES and SCRAP. THE SOUTH AFRICAN MINING JOURNAL. Johannesburg, July 31, 1915 Sandycroft, Limited. ^^^^^^^^^^^^^^^^^^^^ INCORPORATED IN ENGLAND, ^^^^^^^^^^^^^^^^^^^s JOHANNESBURG OFFICE : 63/4, Standard Bank 360. TELEGRAPHIC ADDRESS : Saneroft. Box 1976. Makers of Mechanical and Electrical Machinery. STOCKS JOHANNESBURG. HAU LA G E GEARS. MI LL SPAR ES OUR STOCK TYPE OF AIR WINCH. 3 dies. SINGLE and VARIABLE SPEED CASCADE MOTORS for Winding, Compressing, Pumping, etc. WoUiscroft Patent Liquid Starters and Controllers. Ar^iTMTC Messrs. Yates (St Thom, Cochran 1 O Whitecross Winding Ropes, Coles Balata FOR : Belting. Joiiannesburg, July 31, 1915. THE SOUTH AFRICAN MINING JOURNAL. PRIESTMAN BROS., LTD. HULL AND LONDON. SOLE AGENTS: J. WHITFORD GRIFFITHS & CO., Ltd., Telephone 2408. Johannesburg, Durban, Cape Town. Box 4170. Engineering Notes and News. Advice to Advertisers. Mr. B. Saiikey, Municipal Electrical Engineer of PortElizabeth, writes to the papers in England as follows:— Ishould like to call the attention of advertisers to the diffi-culties experienced by engineers in the Colonies in obtainingparticulars of the articles advertised and illustrated. Havingoeen a central-station engineer at home for some yearsbefore coming out to this colony, I notice very much thed


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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectmineralindustries