rpass art. It is found in large quanti- tration of an improved water-whcel which possesses ties in the native copper mines of that district. The many featuresof interest. The wheel, A, is provided combinations of the silver with the copper present with a number of buckets, B, of a peculiar shape;… … is furnished with a toothed both metals naving been CUMMING’S PATENT WATER-WHEEL. rack, G, having a pinion subjected to a heat that gearing into it. This pinion is fastened to the ver- further information may be had by addressing him must have, in any event, been equal to a refiner’s tical shaft,…
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