A Glossary of Terms Used in Coal MiningE. & F.N. Spon, 1883 - 296 sider |
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Side 12
... the roof . In some cases bars of wrought iron , about 3 " x 1 " x 5 ' , are used . BARE . To strip or cut by the side of a fault , boundary hollows , & c . = BARFE SATURDAY ( N. ) The word barfe off 12 A GLOSSARY OF TERMS.
... the roof . In some cases bars of wrought iron , about 3 " x 1 " x 5 ' , are used . BARE . To strip or cut by the side of a fault , boundary hollows , & c . = BARFE SATURDAY ( N. ) The word barfe off 12 A GLOSSARY OF TERMS.
Side 27
... faults , letting off accumulations of gas or of water . BORE MEAL . Mud or finely chopped - up debris out of a bore - hole . BORING - HEAD . The group of chisels or cutters by which the strata are cut through in boring . See Bore ( 1 ) ...
... faults , letting off accumulations of gas or of water . BORE MEAL . Mud or finely chopped - up debris out of a bore - hole . BORING - HEAD . The group of chisels or cutters by which the strata are cut through in boring . See Bore ( 1 ) ...
Side 42
... up , in order to equalize the gradient of such roadway . Fig . 36 is a diagram show- ing the bottom canch b , and the top one a , which are produced in consequence of the fault slip throwing the level 42 A GLOSSARY OF TERMS.
... up , in order to equalize the gradient of such roadway . Fig . 36 is a diagram show- ing the bottom canch b , and the top one a , which are produced in consequence of the fault slip throwing the level 42 A GLOSSARY OF TERMS.
Side 43
William Stukeley Gresley. produced in consequence of the fault slip throwing the level of one roadway above the other . Fig . 36 . roadway fault roadway CANK OF CANKSTONE ( D. Lei . ) . See Burr . CANKER . The ochreous sediment in coal ...
William Stukeley Gresley. produced in consequence of the fault slip throwing the level of one roadway above the other . Fig . 36 . roadway fault roadway CANK OF CANKSTONE ( D. Lei . ) . See Burr . CANKER . The ochreous sediment in coal ...
Side 47
... fault , which see . CHECK - WEIGHMAN . A man appointed and paid by the colliers ( 1 ) to weigh the coals on reaching the surface . He must have been employed in the mine , and must not interfere with the ordinary weighman . CHEEK . A ...
... fault , which see . CHECK - WEIGHMAN . A man appointed and paid by the colliers ( 1 ) to weigh the coals on reaching the surface . He must have been employed in the mine , and must not interfere with the ordinary weighman . CHEEK . A ...
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apparatus bank bars beds blasting borehole boring rods brattice butty cage carried chain clay cloth Clunch coal measures coal seam Coal-field colliery constructed crown 8vo cylinder débris diameter drift driven drum edition empty engine plane explosion face fault feet fire fire-damp fixed floor furnace goaf ground haulage heading hole horse inbye inches inclined plane iron iron pyrites ironstone kind Kirving length load long-wall lower machinery minerals mines P. L. SIMMONDS pillar of coal pipe pit bottom pit-shaft plates prop pulley pumps raised rock roof running safety lamp sandstone seam of coal self-acting shale short side sinking pit slack solid coal sprags stall steam stone strata stratum surface thickness thin timber tool trams Treatise tubs underclay underground road upcast shaft ventilation vertical wagons wall wedging crib weight wheels winding engine winding rope wooden yards
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Side 297 - Section I. On the Equality and Distribution of Forces — Section II. Resistance of Timber — Section III. Construction of Floors — Section IV. Construction of Roofs — Section V. Construction of Domes and Cupolas — Section VI. Construction of Partitions — Section VII.