A Glossary of Terms Used in Coal MiningE. & F.N. Spon, 1883 - 296 sider |
Inni boken
Resultat 1-5 av 48
Side 4
... through . ALLOWANCE COAL . See Colliers ' coals . ALL - UPS ( Lei . ) . A mixture of every quality of coal , excepting fine slack , raised from one seam , and sold as such . ALL WORK ( D. ) . Term formerly used for. 4 A GLOSSARY OF TERMS.
... through . ALLOWANCE COAL . See Colliers ' coals . ALL - UPS ( Lei . ) . A mixture of every quality of coal , excepting fine slack , raised from one seam , and sold as such . ALL WORK ( D. ) . Term formerly used for. 4 A GLOSSARY OF TERMS.
Side 5
... raising . It frequently contains over 90 per cent . of carbon ; some of the anthracites of Pembrokeshire contain as much as 94 per cent . This coal weighs from 85 to 99.5 lbs . per cubic foot . " APPARATUS ( N. ) . The screening ...
... raising . It frequently contains over 90 per cent . of carbon ; some of the anthracites of Pembrokeshire contain as much as 94 per cent . This coal weighs from 85 to 99.5 lbs . per cubic foot . " APPARATUS ( N. ) . The screening ...
Side 12
... raising and lowering men ; the second was a chain , which was sent up empty , or without anything attached to it , when men were descending , and vice versâ . When the bant was used , at some collieries the winding - ropes or rather ...
... raising and lowering men ; the second was a chain , which was sent up empty , or without anything attached to it , when men were descending , and vice versâ . When the bant was used , at some collieries the winding - ropes or rather ...
Side 18
... Raise the cage in the shaft . BENK ( D. ) . See Bank ( 4 ) . BENT ( S. ) . Subsidence of roof having taken place to rear of working face , e.g. a bent roof . BERGMEISTER ( Pr . ) . An Inspector of mines. 18 A GLOSSARY OF TERMS.
... Raise the cage in the shaft . BENK ( D. ) . See Bank ( 4 ) . BENT ( S. ) . Subsidence of roof having taken place to rear of working face , e.g. a bent roof . BERGMEISTER ( Pr . ) . An Inspector of mines. 18 A GLOSSARY OF TERMS.
Side 27
... raising heavy BOTTOM . The bottom of the shafts and roadways , & c . , near the shafts . BOTTOMER . The person who loads the cages at the pit bottom , and gives the signals to bank ( 1 ) . BOTTOM PILLARS . Large blocks of solid coal or ...
... raising heavy BOTTOM . The bottom of the shafts and roadways , & c . , near the shafts . BOTTOMER . The person who loads the cages at the pit bottom , and gives the signals to bank ( 1 ) . BOTTOM PILLARS . Large blocks of solid coal or ...
Andre utgaver - Vis alle
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
Populære avsnitt
Side 297 - BAKER. — Long-Span Railway Bridges : Comprising Investigations of the Comparative Theoretical and Practical Advantages of the various Adopted or Proposed Type Systems of Construction ; with numerous Formulae and Tables. By B. BAKER. I2mo. $1.50...
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.