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  2. Australasian Mining Patents.

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

    Article : 362 words
  3. THE MINER.

    The idea of employing a particular process of congelation in the construction of subterramean galleries of various descriptions, and in the sinking of pits, wells, and mining shaf[?]s in ...

    Article : 1,304 words
  4. The Fire Test for Ores.

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

    Article : 783 words
  5. Electric Winding Gear.

    The accompanying illustration represents an electric winding gear which has just been supplied by Messrs. Ernest Scott and Mountain, Limited, of Newcastle-on-Tyne, to the ... [ILLUSTRATED]

    Article : 331 words
  6. Reduction and Refining of Copper by Electrolysis.

    The Hoepfner process for obtaining copper and other metals directly from the ore or concentrate by electrolysis was first described in 1891. Several plants have been erected to put it in ...

    Article : 382 words
  7. Hints for Prospectors.

    A well-known mining engineer (says the Quensland Government "Mining Journal") has supplied a contemporary with the following hints, which may be useful to prospectors:—In ...

    Article : 399 words
  8. Coal Mining in China.

    London "Engineering" of a late date says: "The transfer of the Kaiping Coal Mines, in Northern China, from a native to an English company is an event of some significance. These ...

    Article : 252 words
  9. Testing Safety Lamps.

    The safety lamps at the Aniche Colliery, in the north of France, are tested in a simple, but effective arrangement, which consists of a rectangular iron tube, open at one end, and fitted at the ...

    Article : 197 words
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