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Hartley, Richard G.
The Development of Kalgoorlie as the International Centre for Innovation in Gold Metallurgy 1900-1907
Eleventh National Conference on Engineering Heritage: Federation Engineering a Nation; Proceedings
Institution of Engineers, Australia, Barton, Australian Capital Territory, 2001, pp. 177-181

In 1901 the Kalgoorlie mines were entering one of their most productive and innovative periods. New techniques for the processing of refractive sulpho-telluride ore were devised, new equipment developed, and Kalgoorlie gained a world wide reputation for its innovative gold metallurgy. Mining finance and engineering services were organised on a more international basis than at any other time in the twentieth century, which facilitated the dissemination of the new technologies. Federation speeded many of the trends which were already evident in the mining industry during the late 1890s. More mining equipment previously imported was manufactured in Australia but the limited size of the Australian market discouraged the manufacture of locally developed new equipment. One Kalgoorlie invention, the Ridgway vacuum filter, which achieved early international recognition is examined as a case history.

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