A Glossary of Terms Used in Coal Mining...
Author: William Stuckeley Gresley
Publisher:
Published: 1883
Total Pages: 630
ISBN-13:
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Author: William Stuckeley Gresley
Publisher:
Published: 1883
Total Pages: 630
ISBN-13:
DOWNLOAD EBOOKAuthor: Rossiter Worthington Raymond
Publisher:
Published: 1881
Total Pages: 114
ISBN-13:
DOWNLOAD EBOOKAuthor: W. G. Orchard
Publisher: Hyperion Books
Published: 1991
Total Pages: 42
ISBN-13: 9781850220534
DOWNLOAD EBOOKAuthor: R. W. Raymond
Publisher: BoD – Books on Demand
Published: 2024-02-25
Total Pages: 101
ISBN-13: 3368860143
DOWNLOAD EBOOKReprint of the original, first published in 1881.
Author: William Stukeley Gresley
Publisher: BoD – Books on Demand
Published: 2024-02-29
Total Pages: 325
ISBN-13: 338535949X
DOWNLOAD EBOOKReprint of the original, first published in 1883.
Author:
Publisher:
Published: 1897
Total Pages: 128
ISBN-13:
DOWNLOAD EBOOKAuthor: William Stukeley Gresley
Publisher: Theclassics.Us
Published: 2013-09
Total Pages: 72
ISBN-13: 9781230222066
DOWNLOAD EBOOKThis historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1883 edition. Excerpt: ... top of an upcast shaft to carry off the smoke, &c, and to increase the ventilating current. 2. (D.) A basin or natural swamp in a coal seam, often running several hundred yards in length. Lumberings (D.). Bumps over old workings. Lumps (S. S.). Coal of largest size by one. Lurry. 1. (Y.) A tram to which an endless rope is attached, fixed at the inbye end of the plane, forming part of an appliance for taking up the slack rope. See Fig. 93. Fig. 93. 2. A movable platform on wheels, the top of which is made on a level with the bank (1) or surface. It is run over the mouth of a pit-shaft for a bowk to be lowered down upon when reaching the pit top. Lye (S.). A siding for tubs in a mine. Lypes (S.). Irregularities in the roof indicating danger from falls. M. Machine A weighbridge or weighing machine upon which wagons, trams, carts, &c, are weighed, either with or without their loads of coals, &c Machine-man. One who weighs coals, &c, and keeps an account of the number of tubs sent to bank (1). Machine Wall. The face at which a coal-cutting machine works. Maiden Field or Ground. A coalfield, &c, which has not been tapped. Main Door. See Bearing Door. Main Board-gate (Y.). The heading which is driven to the rise of the shaft. It is usual to make it larger in sectional area than an ordinary board-gate. See a, Fig. 9 Bank-work. Main Engine (N.). The surface pumping engine, usually of the Cornish type. Main Road. The principal underground way in a district along which the produce of the mine is conveyed to the shafts, generally forming the main intake air course of each district. Main Rope. A system of underground haulage in which the weight of the empty tubs is sufficient to draw the rope inbye. Main Suit (B.). A heavy spring...
Author: United States. Bureau of Mines
Publisher:
Published: 1968
Total Pages: 1288
ISBN-13:
DOWNLOAD EBOOKIncludes about 55,000 individual mining and mineral industry term entries with about 150,000 definitions under these terms.
Author: Rossiter Worthington Raymond
Publisher: Theclassics.Us
Published: 2013-09
Total Pages: 32
ISBN-13: 9781230255552
DOWNLOAD EBOOKThis historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1881 edition. Excerpt: ... Rosette copper. Disks of copper (red from the presence of suboxide) formed by cooling the surface of molten copper through sprinkling with water. Rossie furnace. An American variety of hearth for the treatment of galena, differing from the Scotch hearth in using wood as fuel, working continuously, and having hollow walls, to heat the blast. Roughing rolls. The rolls of a train which first receive the pile, ingot, bloom, or billet, and partially form it into the final shape. Roughs, Corn. Coarse, poor sands, resulting from tin-dressing. Round coal. See Lump-coal. Rounder. See Reamer. Row, Corn. Large, rough stones. Royalty. The dues of the lessor or landlord of a mine, or of the owner of a patented invention. Rozan process. An improvement of the Pattinson process. Rubber. A gold-quartz amalgamator, in which the slime is rubbed against amalgamated copper surfaces. Rullers, Corn. The workmen who wheel ore in wheelbarrows underground. Run, Corn. 1. The natural falling or closing together of underground workings. 2. Certain accidents to the winding apparatus. 3. By the run. A method of paying coal miners per linear yard of breast excavated, instead of by the wagon of clear coal produced. 4. A long deep trough in which slimes settle. 5. See Counter. Runner. The channel through which molten metal is conducted from the blast furnace or cupola to the pig-bed, converter or moulds. See Pig-iron. Run-out fire. A forge in which east-iron is refined. Run-steel. Malleable castings. Rush, Corn. See Spire. Rusty. Applied to coals discolored by water or exposure, as well as to quartz, etc., discolored by iron oxide. Rusty gold, Pac. Free gold, which does not easily amalgamate, the particles being coated, as is supposed, with oxide of iron. Saddle. An...
Author: Albert Hill Fay
Publisher:
Published: 1920
Total Pages: 1120
ISBN-13:
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