and engineering journal . NOWREADY Including a CompleteMining Directory of South Africa PUBLIC SUPPLY UNDERTAKINGS RAILWAYS TRAMWAYS SUGAR MILLS &c. &c. Published Mining & En-gineering Journal Slock Exchange Buildmj Johannesburg ELECTRICAL MACHINERY ®ff SLIKKERVLCQ DC. AC—Dynamos and Motors. Turbo-alternators. Rigid Dutch wanted. Add.: ELECTRO SLJKKERVEER, HOLLAND. 292 THE MINING AND ENGINEERING JOURNAL. Jburg, October 29, 1921. OIL SHALE DISTILLATION MINERAL OIL REFINING and PARAFFIN WAXPLANT of ALL DESCRIPTIONS. OIL SHALE RETORTS. A. F. CRAIG & Co.,
and engineering journal . NOWREADY Including a CompleteMining Directory of South Africa PUBLIC SUPPLY UNDERTAKINGS RAILWAYS TRAMWAYS SUGAR MILLS &c. &c. Published Mining & En-gineering Journal Slock Exchange Buildmj Johannesburg ELECTRICAL MACHINERY ®ff SLIKKERVLCQ DC. AC—Dynamos and Motors. Turbo-alternators. Rigid Dutch wanted. Add.: ELECTRO SLJKKERVEER, HOLLAND. 292 THE MINING AND ENGINEERING JOURNAL. Jburg, October 29, 1921. OIL SHALE DISTILLATION MINERAL OIL REFINING and PARAFFIN WAXPLANT of ALL DESCRIPTIONS. OIL SHALE RETORTS. A. F. CRAIG & Co., Ltd., PAISLEY. 40 years experience in designing and manufacturing MINERAL OIL PLANT, London Office: 12, Old Jewry Chambers, E,Cf Jburg, October JO. 1921 THE MINING AND ENGINEERING JOURNAL Letters to the Editor. THE REAL VALUE OF GOLD. To the Editor, Mining and Engineering Journal. Sir, IVrmit me to further trespass upon youi courtesyto finally reply to Mr. Blenkinsop, who, in answer to mycriticism of his (and Mr. S. .1. Speal pi p man- ently raise the price of gold to six guineas per fin< i uievaded the issue. From his last letter it would appeal thaiwhat is meant is thai gold is to be converted into anumber of coins per ounce fine than a1 present; in obiwords, as I have already pointed out, 12,416 pre en1 dsovereigns shall be converted into 63,000 coins, and your readers are asked to believe eaeli ol tlie 63, joins (not guineas by the way) will purchase as much con n ties as each of tile more valuable 12. I Ki coins is ver
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectmineralindustries