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United States Bureau of Mines
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 ...
An iron column that guides the cage in a mine shaft.
Industry:Mining
An iron curtain, stiffened by ribs of angle iron, suspended from trolley wheels running on a rail parallel with and in front of a furnace to protect the worker from the furnace heat.
Industry:Mining
An iron ingot mold.
Industry:Mining
An iron lever with a chain attached by which props are withdrawn.
Industry:Mining
An iron machine consisting of two triangular uprights between which are two axles, one above the other. These machines are frequently used in connection with pumping gear where mine shafts are not deep.
Industry:Mining
An iron machine consisting of two triangular uprights between which are two axles, one above the other. These machines are frequently used in connection with pumping gear where mine shafts are not deep.
Industry:Mining
An iron of highest quality owing to the freedom from phosporus and sulfur of the Swedish ore.
Industry:Mining
An iron ore and sandstone cement consisting of hematite with adsorbed water. It is fibrous and red in mass with an orange tint where powdered. Also spelled turjite.
Industry:Mining
An iron ore and sandstone cement consisting of hematite with adsorbed water. It is fibrous and red in mass with an orange tint where powdered. Also spelled turjite.
Industry:Mining
An iron ore containing very little phosphorus (generally less than 0.045%). Named for suitability in the Bessemer process of steelmaking.
Industry:Mining