A Glossary of Terms Used in Coal MiningE. & F.N. Spon, 1883 - 296 sider |
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Side 19
... prop or tree of timber . BILLY . 1. ( F. D. ) A box for holding ironstone , carried by a boy in the mine . 2. See Billy Playfair . BILLY BOY ( S. W. ) . A lad who attends to the work- ing of a Billy Playfair . BILLY PLAYFAIR or FAIR ...
... prop or tree of timber . BILLY . 1. ( F. D. ) A box for holding ironstone , carried by a boy in the mine . 2. See Billy Playfair . BILLY BOY ( S. W. ) . A lad who attends to the work- ing of a Billy Playfair . BILLY PLAYFAIR or FAIR ...
Side 23
... men and boys in the workings . It is hung by a nail to a prop , or fixed in some other con- spicuous position , beyond or behind which the danger lurks . BOARD AND PILLAR . A system of working coal where USED IN COAL MINING , ETC. 23.
... men and boys in the workings . It is hung by a nail to a prop , or fixed in some other con- spicuous position , beyond or behind which the danger lurks . BOARD AND PILLAR . A system of working coal where USED IN COAL MINING , ETC. 23.
Side 32
... props in the workings , in lines running diagonally to the line of the face or wall . • BREAKING - DOWN MACHINES . Mechanical appliances , such as wedges , & c . , worked by compressed air or by hydraulic power , for bringing down the ...
... props in the workings , in lines running diagonally to the line of the face or wall . • BREAKING - DOWN MACHINES . Mechanical appliances , such as wedges , & c . , worked by compressed air or by hydraulic power , for bringing down the ...
Side 35
... props or sprags for supporting the coal whilst Fig . 31 , it is being holed . They are set about half way under the holing . See Fig . 31 . BROKEN . That part of a mine where the mineral has already been partially worked away , and ...
... props or sprags for supporting the coal whilst Fig . 31 , it is being holed . They are set about half way under the holing . See Fig . 31 . BROKEN . That part of a mine where the mineral has already been partially worked away , and ...
Side 41
... , to take off the shock , upon which the cage drops on reaching the pit bottom . CAGING ( N. S. ) . The operation of changing the tubs on a cage . CAGE SHUTS ( S. ) . Short props or catches. USED IN COAL MINING , ETC. 41.
... , to take off the shock , upon which the cage drops on reaching the pit bottom . CAGING ( N. S. ) . The operation of changing the tubs on a cage . CAGE SHUTS ( S. ) . Short props or catches. USED IN COAL MINING , ETC. 41.
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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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