A Glossary of Terms Used in Coal MiningE. & F.N. Spon, 1883 - 296 sider |
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Side 1
... Walls or ranges of branch or rough wood ( cord - wood ) placed crossways to keep the under- ground roads open for ventilation , & c . ABTHEILUNG ( Pr . ) . A fixed part or district of a mine assigned to the care of a fire - man or ...
... Walls or ranges of branch or rough wood ( cord - wood ) placed crossways to keep the under- ground roads open for ventilation , & c . ABTHEILUNG ( Pr . ) . A fixed part or district of a mine assigned to the care of a fire - man or ...
Side 4
... wall workings in which there is no current of air , or circula- tion of ventilation , but which is kept sweet by diffusion , and by the ingress and egress of tubs , men , & c . AIR - LEVEL . A level or air - way ( return air - way ) of ...
... wall workings in which there is no current of air , or circula- tion of ventilation , but which is kept sweet by diffusion , and by the ingress and egress of tubs , men , & c . AIR - LEVEL . A level or air - way ( return air - way ) of ...
Side 5
... wall , which see . ALTOGETHER - COAL . Large and small mixed . ALUM SHALE . Earth containing the mineral alum , beds of which occasionally occur in the coal measures , sometimes as an underclay . ANEMOMETER . An instrument for measuring ...
... wall , which see . ALTOGETHER - COAL . Large and small mixed . ALUM SHALE . Earth containing the mineral alum , beds of which occasionally occur in the coal measures , sometimes as an underclay . ANEMOMETER . An instrument for measuring ...
Side 6
... , and attending and keep- ing in order the roadways , & c . BACK - CASING . A wall or lining of dry bricks used in sinking through drift deposits , the permanent walling being built up within it . In the north of 6 A GLOSSARY OF TERMS.
... , and attending and keep- ing in order the roadways , & c . BACK - CASING . A wall or lining of dry bricks used in sinking through drift deposits , the permanent walling being built up within it . In the north of 6 A GLOSSARY OF TERMS.
Side 7
... wall method . Back- splinting consists in taking out the upper bed of coal on either side of a gate road in short faces of say three or four yards , leaving stoops to protect the roof and roads . BACK - STAY ( Y. ) . A wrought - iron ...
... wall method . Back- splinting consists in taking out the upper bed of coal on either side of a gate road in short faces of say three or four yards , leaving stoops to protect the roof and roads . BACK - STAY ( Y. ) . A wrought - iron ...
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Vanlige uttrykk og setninger
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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