- Industry: 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 railway gage narrower than the standard gage of 4 ft 8-1/2 in (1.44 m).
Industry:Mining
A railway having such steep gradients that trains are hauled up them by ropes or by a rack locomotive.
Industry:Mining
A railway that negotiates a steep gradient; the cars are operated by cables and winches.
Industry:Mining
A railway tire consisting of a soft plate and boss, and a wear- resistant tread of watertoughened manganese steel, cast integrally within.
Industry:Mining
A raised edging around the perimeter of a work platform in drilling to prevent hand-tools from being accidentally kicked or knocked off the platform.
Industry:Mining
A raised portion of the floor of a lock chamber, forming a stop against which the lock gates bear when they are shut.
Industry:Mining
A ram fed by a compressed-air pipeline. The piston is about 8 in (20 cm) in diameter, giving an area of 50 in<sub>2</sub>(323 cm<sub>2</sub>) and exerts a pushing force of up to 4,000 lb (1,800 kg).
Industry:Mining