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1870 ' Uranium Metal. — At the meeting Wheal Owles adventurers, on Friday last, Mr.Boyns the purser, in his observations on the various workings of lodes throughout the mine, referred to the discovery of "oxide of uranium" on the "Wheal Edward" lode. This is well known to be a valuable metal. Mr. Boyns stated that he had sold five cwt. at 3s. 3d. per lb.; he believed they could soon raise pretty much of it, and considered when properly dressed and brought into its pure state fit for the market, it would be worth over per £500 per ton! With reference to the discovery of "uranium," a correspondent states that Mr. William Jory Henwood, F.G.S., &c, who may be considered one of our greatest authorities on all matters connected with geology, found phosphate of uranium,"alias uranite," on Great Wheal Edward lode (which is in the seaward portion of Wheal Owles), during the former working, about forty years ago ; consequently there can be no doubt whatever of the existence of this valuable metal at this part of Wheal Owles. Mr. Henwood also states that a considerable quantity of "uranium" was produced many years ago from the Providence mine, as well as at Wheal Trenwith, near St. Ives.'