a. An iron scraper serving as a rake in removing scoriae from the surface
of melted metal. Fay
b. A charcoal burner's shovel. Webster 3rd
c. A mechanical rake for skimming the bath in a melting or refining
furnace or for stirring the ore in a roasting furnace by hand or
mechanically. Webster 3rd
a. See:rabble
b. One who uses a rabble, as in puddling iron. Standard, 2
c. A scraper. Standard, 2
Stirring molten metal, ore, or other charge, using a hoelike tool or other
device. ASM, 1
A rabble of simple construction for use by hand. Also called rabble rake.
See also:rabble
A small thread of spar or ore.
The term is applied to conduits, moldings, and other hollow material,
often concealed, through which wires are fished from one outlet to
another. Crispin
a. An inclined trough for washing or separating ore. Nelson
b. A toothed or notched drill-base-slide and meshing-gear pinion used to
facilitate the moving of a drill to clear the borehole when hoisting or
lowering the drill string; generally limited to larger, skid-mounted
machines. Long
c. A framework of wood or metal for the orderly storage of core, pipe
rods, etc., in a horizontal position. Long
d. A tilting table on which concentrates are separated from the passing
flow of finely ground pulp, the system being arranged to be periodically
self-flushing. Pryor, 3
e. A screen composed of parallel bars to catch floating debris.
Seelye, 1
f. In electroplating, a frame used for suspending and conducting current
to one or more cathodes during electrodeposition. Lowenheim
Mining explosive based on a mixture of potassium chlorate and
nitrobenzene. Pryor, 3
To move a drilling machine away from the borehole collar by sliding it on
its base, using the rack-and-gear pinion to facilitate moving the machine.
See also:rack
Timbering braced diagonally as stiffening against deformation.
Hammond
Inclined table used to treat slimes. Pryor, 1
A toothed bar. Nichols, 1
a. Old term for concentration in sluice boxes.
b. The process of separating ores by washing on an inclined plane.
c. See:ragging
A table on which to wash ore slimes. See also:rack
A cog railway; cog tramway. Fay
a. To move the drilling machine forward into alignment with the borehole,
using the rack-and-gear pinion to facilitate moving the machine.
Long
b. To stack and arrange the drill rods in an orderly fashion in the
tripod, mast, or derrick, or horizontally on a rack provided on the
ground. Long
c. To place core on a rack. Long
Said of lines or other linear phenomena converging at a single center or
departing from one.
The movable cantilever supporting the drilling saddle in a radial drilling
machine. Crispin
A descriptive term for dikes that radiate outward from a center, commonly
a volcanic neck or stock.
A drainage pattern in which consequent streams radiate or diverge outward,
like the spokes of a wheel, from a high central area; it is best developed
on the slopes of a young, unbreached domal structure or of a volcanic
cone. AGI