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  2. Broken Hill Mining.

    During the past week the different mines have shown the following crushings: Proprietary Company, ore treated 7518 tons, producing 933 tons bullion, contaminer 220,750oz silver; British ...

    Article : 539 words
  3. Refining Copper by Electricity.

    The Boston and Montana Company, an enterprising American association, have constructed at a place called Great Falls, and are employing, a plant for refining copper by elect[?]icity. The ...

    Article : 496 words
  4. The Artificial Production

    Whan sulphides of metals are prepared artificially by the direct combination of sulphur and metals they bear very little resemblance to the natural mine als. The reduction of sulphates ...

    Article : 291 words
  5. Advertising

    {No abstract available}

    Advertising : 46 words
  6. The Surveying of Mines.

    In order to ensure accurate work in the surveying of a mine the surveying party should consist of the engineer, a pilot or foresight, who goes ahead and selects the transit or angle points, two ...

    Article : 1,073 words
  7. The Hill-Wheelock Engine.

    The Hill Wheelock engine is similar in desig[?]n to the Corliss, except that the valves are different. It is specially adapted for electrical work, as it can be run 125 to 150 revolutions and be belted ... [ILLUSTRATED]

    Article : 352 words
  8. Broken Hill South Company.

    The hearing of the appeal case of Kelly and others v. the Broken Hill South Silver Mining Company took place in the Full Court last week. Sir Julian Salomons, Q.C., with Mr. ...

    Article : 410 words
  9. The Production of Nickel.

    The use of nickel has been of late so largely on the increase that special steps have been taken for an increased production of the metal. The production of nickel, which was about 400 tons in ...

    Article : 307 words
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