- 行业: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A wood or iron box located in or near the working place of a miner in which tools, supplies, etc. are kept. Required by law in some States.
Industry:Mining
A wood treatment consisting of impregnating the wood with a saccharin solution. It hardens the wood, and renders it fireproof to some extent.
Industry:Mining
A wooden box in a miner's breast or chamber, in which were kept black powder, cartridge paper, cartridge stick, squibs, lampwick, chalk, and tools.
Industry:Mining
A wooden box in a miner's breast or chamber, in which were kept black powder, cartridge paper, cartridge stick, squibs, lampwick, chalk, and tools.
Industry:Mining
A wooden box placed in a sloping position, and fixed upon rockers, in which goldbearing gravel is washed, the gold being caught by mercury in the lower part of the cradle.
Industry:Mining
A wooden door fixed in an airway for regulating the supply of ventilation necessary for a certain district or number of workers.
Industry:Mining
A wooden door fixed in an airway for regulating the supply of ventilation necessary for a certain district or number of workers.
Industry:Mining
A wooden or steel door erected near the pit bottom to prevent the intake air leaking into the main return airway or upcast shaft; a door to direct the main intake air in toward the workings. It may be fitted with an appliance, or shutter, to ease the opening for traveling purposes.
Industry:Mining
