a. A remotely controlled device for moving single wagons at a mine surface
over a short distance. The device runs on a narrow-gage track alongside
the main rails and uses a pair of roller arms, which extend to engage on
either side of a wagon wheel. Propelled by a guided chain engaging a
power-drive chain wheel, the charger can position a wagon exactly where
required. Nelson
b. In the iron and steel industry, one who loads steel ingots into a
furnace for heating, withdraws white-hot ingots from the furnace, and
positions them on the bed of a mill for rolling, using a traveling
electric charging machine. DOT
c. See:lidman
In ore dressing, smelting, and refining, one who weighs out specified
amounts of coke, limestone, and copper-bearing scrap materials to make
furnace charges for recovery of copper from plant refuse. DOT
a. The loading of a borehole with explosives. Fay
b. The arranging of a fuse or squib, and the tamping of the hole with
stemming material. Jones, 1
c. Feeding raw material into an apparatus, such as a furnace, for
treatment or conversion. Bennett
A box in which ore, scrap, pig iron, fluxes, etc., are conveyed to a
furnace by means of a charging machine. Fay
A machine for delivering coal, ore, or metals to a furnace, gas retort,
coke oven, or other reactor. Fay
A long arm or extension attached to a charging machine for conveying and
dumping scrap into an open-hearth furnace. Mersereau, 2
A laborer who charges an electric-arc furnace with metals, alloys, and
other materials. Also called furnace feeder. See also:furnace charger
DOT
A device used for holding batteries for mining lamps and for connecting
them to a power supply while the batteries are being recharged.
A scale for weighing the various materials used in a blast furnace.
Fay
a. To burn to charcoal or coke. Webster 3rd
b. Charcoal; coke; cinder. Webster 3rd
Peat artificially dried at a temperature that causes partial
decomposition. Bennett
A base map conveying information about something other than the purely
geographic; also, a special-purpose map; esp. one designed for purposes of
navigation, such as a hydrographic chart or a bathymetric chart.
AGI
The plane to which soundings on a chart are referred, usually low water.
Hy
An edge wheel revolving in a trough for crushing asbestos mineral, without
destroying the fiber, and for fine crushing of ore.
a. This type of mill usually consists of a cylindrical steel tank that is
lined with wooden blocks laid with the end grain up. The rollers are
usually wooden--with a speed of 15 to 30 rpm.
b. Occasionally synonymous with an edge-runner mill. Dodd
Following a vein by its range or direction.
Derb. Following a vein along the surface by means of cast holes or
prospect pits.
A yawning hollow or rent, as in the Earth's surface; any wide and deep
gap; a cleft; fissure. See also:abyss
A variety of clay mineral (glinite) from the Chasovyar deposit in the
Ukraine. Spencer, 6
The finely crushed gangue remaining after the extraction of lead and zinc
minerals in the Tri-State District of Missouri, Kansas, and Oklahoma. The
term is derived from chert. See also:chats
See:chatoyancy