A Text-book of Coal-mining: For the Use of Colliery Managers and OthersCharles Griffin & Company, 1904 - 563 Seiten |
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... Collieries . With numerous Problems arising from Colliery Practice . By G. L. KERR , M.E. , M. Inst.M.E. Very fully Illustrated . SECOND EDITION , Revised . 12s . 6d . ELEMENTARY COAL MINING . For Students , Miners , and Others . By ...
... Collieries . With numerous Problems arising from Colliery Practice . By G. L. KERR , M.E. , M. Inst.M.E. Very fully Illustrated . SECOND EDITION , Revised . 12s . 6d . ELEMENTARY COAL MINING . For Students , Miners , and Others . By ...
Seite i
For the Use of Colliery Managers and Others Herbert William Hughes. 1 T Preliminary Inclination of Strata Faults Reversed Faults . Trough Faults.
For the Use of Colliery Managers and Others Herbert William Hughes. 1 T Preliminary Inclination of Strata Faults Reversed Faults . Trough Faults.
Seite vi
... colliery work have been fully described , on the ground that collieries are more often made remunerative by perfection in small matters , than by bold strokes of engineering . All modern collieries are practically identical so far as ...
... colliery work have been fully described , on the ground that collieries are more often made remunerative by perfection in small matters , than by bold strokes of engineering . All modern collieries are practically identical so far as ...
Seite xiv
... Colliery . Hilda Colliery Hewlett Pit Aniche Colliery , France No. 5 Pit , Bascoup Cross Creek Collieries , sylvania • PAGE 527 . • 528 . 529 . 529 • 530 Penn- • 532 • 519 Sizing Apparatus 534 • 519 Trough Washers 534 519 Robinson's ...
... Colliery . Hilda Colliery Hewlett Pit Aniche Colliery , France No. 5 Pit , Bascoup Cross Creek Collieries , sylvania • PAGE 527 . • 528 . 529 . 529 • 530 Penn- • 532 • 519 Sizing Apparatus 534 • 519 Trough Washers 534 519 Robinson's ...
Seite 12
For the Use of Colliery Managers and Others Herbert William Hughes. pressure was 143 lbs . per square inch ; while a ... collieries . * " Blowers " of small dimensions usually follow the face , and as this proceeds the older ones die out ...
For the Use of Colliery Managers and Others Herbert William Hughes. pressure was 143 lbs . per square inch ; while a ... collieries . * " Blowers " of small dimensions usually follow the face , and as this proceeds the older ones die out ...
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alternating current amount angle Anthracite apparatus arrangement attached bars bolts boring bottom brake cage carbon carbonic acid carried cent centre chain coal coal-dust coils Colliery compressed connected consists cost cylinder depth distance drill driven drum employed engine explosion feet fire-damp fixed flange friction gear groove haulage hole inclined Inst iron lamp latter length lever lifted load longwall lower Lye Cross machine method mines motor obtained ordinary passes pieces pillars pipes piston placed plate plunger position pressure prevent props pulley pump quantity rails revolutions per minute roads rods roof rope round safety lamp screen screw seams Série shaft shown in Fig side sliding South Wales speed stall steam steel stroke surface timber tippler tool tube valve velocity ventilation vertical water gauge weight wheel winding winding engine wire yards