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CYANIDE AND ZINC PLATKS. Some weeks ago reference was made in the 'Mining Standard' to the possibility that Australian gold mining might suffer to some extent, in common with gold mining companies in other parts of the world, through difficulty in obtaining sufficient and continuous supplies of cyanide. That difficulty has been overcome, at least so i'.'P' as the great mines of Western Australia, are concorned. While in Perth recently Mr C ('. King, general manager for Messrs Bewick. Moreing, and Co.,

r-taled I hat Scottish manufacturers had guaranteed full supplies of cyanide, so that no hindrance (o continuous operation.-, on that account .need be feared. There v.'a? nnolhor requisite j'or which the companies Lad been accustomed to depend upon Germany and other European Powers now embroiled ni v.Mr—namely, zinc flisviurs for the precipitation boxes—and until recently 'thorp was considerable uneasiness ;i< to whether these would he obtainable elsewhere.

At length the, Chamber of Mines of ViV-foii Australia purchased 200 tons of zinc slirrts fnun America, for distribution aiiioneyt the mines in that State during the first few months of 1915, but had to pay a wry high price for them. In the meantime experiments were made at the T.ithgnw (VS.W.i Ironworks by Mr C. ('. Freeman, metallurgist, to asceitaiu if suitable zim: sheets could be. rolled there from Broken Hill spelter, and the November issue, uf (he Chamber's monthly journal stated that the results had been satisfactory, some particulars, of the operation bealso li. has therefore been established Hint .Messrs HnskiiH will be able to produce zinc sheets of trie requisite <;au!ie and wide, with a loss of le-.s than /i per <-e:it. of the materia! supplied. This Ihreatened shortage ha.-, Iliei'cforc. ai-o been overcome, and at the ■ainc lime Aii-.tralia has learnt in one .■ther respect to depend upon itself, instead of -pending it< money in foreign market-. The coiiulry is. howevei. si ill dependent upon the outside world for its cyanide.

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Bibliographic details

MINING, Issue 15706, 21 January 1915

Word Count

MINING Issue 15706, 21 January 1915

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