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Show 12 MINING REVIEW. INTER-MOUNTAI- N Volatization of Silver. Dr. Joseph W. Richards, in a paper read before the Franklin Institution, said: Knowing that, on long heating, silver gives a coating of oxide on charcoal, and that gold does not, I made - FRASER m Denver, Chicago, CHALMERS, Salt Lake Helena, City, Mine and Mill Stamp Mills, experiments to determine whether sil- Supplies, Comet Crushers, ver could thus be separated from gold, and found the method practicable. On Corliss Engines, Concentrators, to to a heat (not bright yellow heating Huntington Mills, and alloy of Boilers, whiteness) upon charcoal Frue Vanners, gold and silver volatilises easily and Reidler Pumps, steadily until there is less than 5 per Air Crushing Rolls, Compressors, cent of silver remaining in the gold. I estimate this volatization to take place Hoists, Etc., Etc. a little above the melting point of cop- deg. Centigrade. per (say), at To remove the remainder of the silver MANUFACTURERS OF the heat is raised nearly to whiteness, or to about the melting point of steel, When the sil(1500 deg. Centigrade). Catalogues on application. Orders and Correspondence Solicited. ver is entirely eliminated, the gold, at Salt Lake City, Utah. this temperature, begins to volatilize JOHN W. YOUNG, Western Manager, also; in fact, a trace of gold will be carried off with the last of the silver, A and if the ash of the charcoal be white it will show a faint crimson coating In Values, Qualities, Low Prices, in close to the assay. When this coating Shirts, Canes, Umbrellas, etc. is heavy enough to be seen without Underwear, Neckwear, Hosiery, Cloves, our Store. By Selecting from the use of a lens, the silver has been & completely volatilized, and the remain, amount The is pure gold. ing button 142 Main of gold necessary to give this coating is too small to be determined by weighing or measuring. PLENTY OF WATER TO CONCENTRATE 1100-12- 00 MININ YOU WILL MACHINERY. STRIKE Brown Terry In speaking of advertising in dull days, the New York Daily Financial News, after speaking of the brokers habit of skimming the contents of a big daily while coming down in the cars, and then taking up the financial and miming papers in their offices and looking over the ads, says: We are in dull days now. Times when advertising counts. When it is about all that does count, for personal solicitation is an annoyance to a man who needs most of his time to mop his face and the balance to swear In, mentally or orally. However hot it is he will read, and if he sees anything he needs or desires, will make a note of it for the first lucky day. Go to Harris Wilson & For Fire, Life and Accident insurance. American companies only represented. ws W 75 I- E - o o 5 ra cn CO u CO ui uI go w o 3 CO o CO - 142 Main St. $100 STAMP MILL 50 per cent. Premium on Silver MINERS AND PROSPECTORS. ATTENTION is offered by us at this season of the year. For every dollar we give you two dollars worth on SUITS, FURNISHINGS, SHOES and HATS, In fact all the Agencies in all re- mainder of our Summer Stock is included. Miners Supplies our specialty. ! THE BOISE IRON & REDUCTION WORKS Are building one and quartz mills, pounds each, stamps weighing either 20 or screen 100 a guaranteed to crash through to 125 pounds of ore per hour. Can be packed on horses into the most inaccessible localities. two-sta- mp 300 50-me- Price for Price for I 2-sta- -mp sh stamp mill, $ mill, $ I 1 OO. 80. Mill and Mining Machinery and Castings of every description famished at 6hort notice. All work guaranteed at Chicago or Denver prices with freight added. The Siegel Clothing Co. JAMES BAXTER St CO., W. J. W0LSTENH0LME, 0 J W O TROY STEAM LAUNDRY. - 5 $ CL a Shirts, Collars, Cuffs and FlannelsMining Camps and Towns. . . . BOISE, IDAHO. o 2 z Z a 3 Street. O O (3 0. Woodruff Co,, The Dirt and Produce The Best Work on Earth on ui H W o X W W wj ce RICH CHUTE C. H. SANDERS, ANALYTICAL CHEMIST AND ASSAYER 5 01o CO 2X O i. CL 21 W. 2d South St., Over Mining & Stock Exchange, Salt Lake City. Wanted An Idea ISS Protect your ideas; they may bring you wealth Write JOHN WEDDEKBURN & CO.. Patent Attorneys, Washington, D. C., for their $i,8U0 prize ettet and list of two hundred Inventions wanted LEADING DEALEH IN COAL Of All Kinds, Wholesale and Retail. COKE AND CHARCOAL, BLACKSMITH COAL. Telephone 49. 53 W.2d South St. SALT LAKE OlTl. |