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Manawatu Standard, Volume XI, Issue 1694, 28 April 1886, Page 3

'An American ' contemporary repf>rts that the slag resulting from the smel : ; ting of copper, gold, and ores at Argo (Colorado) is now being used for_tbe njanu^icture of beautiful table, ware. Th*e colpiira are a kind of.spray of onyx anil 6 pal flushed m waves through out tlie ware- The colours, it isstnte-l arb ;^under peifict control, the slag c<|jfcaiqnig a larger percentage of the niaVem] necessary* th:ui can be found m *slag ilsewbeve. The slag is melted at : an intense , be>t, then poured, into vats^of agitatfd wales, then rcmeiVdt; ancl j)< ured into moulds either wt^pf after an niixture, whichc»u%s;th^nietul: to flux .pretty genevkiiywiib! added materials.* |the T ra suit ik said, to be si metallic glass tl/e strength pf'%bt cast iron, which may 'be moulded into any form of table ware, bow Is, cups, tumblers, etc., wftii the iftf.st Vautifful sprays of onyx stone ci)lours apou a general background of opal.