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  2. Platinum.

    Platinum metals will not amalgamate with mercury without special treatment. To save them concentrating appliances must be used, and these will also save most of the coated gold, which is ...

    Article : 922 words
  3. The Copper Outlook.

    Under date of February 7, "Engineering" writes as follows on the copper outlook:—"Since we had occasion at the beginning of the year to advise consumers to take advantage of the ...

    Article : 1,120 words
  4. A Protection Against Mine Oases.

    The proper equipment for the successful operation of a mine should include a variety of appliances for use in case of accident. Most important among these is some form of protection ... [ILLUSTRATED]

    Article : 432 words
  5. THE MINER.

    The following comolete specifications have lately (been accepted in the various States undermentioned, and leters patent will, therefore, issue to the applicants in due course. This report ...

    Article : 286 words
  6. The Fire Test for Ores.

    In the process of ascertaining the value of a piece of mineral-hearing rock, the ore is first pulverised in a crusher or mortar. It is then quartered or split, until a sample is obtained ...

    Article : 782 words
  7. Fires and Explosions Caused by Electricity.

    A recent report of the Electrical Bureau of the National Board of Fire Underwriters (says an American paper) contains a number of curious and interesting instances of Ares resulting from ...

    Article : 440 words
  8. Mines in British Guiana.

    The "Argosy" (Demerara) states that the output of field in British Guiana in 1901 was the smallest recorded for several years, the decline, compared with the returns for 1900, reaching the ...

    Article : 452 words
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