A Text-book of Coal-mining: For the Use of Colliery Managers and OthersCharles Griffin & Company, 1904 - 563 Seiten |
Im Buch
Ergebnisse 1-5 von 79
Seite x
... Drums 117 Cost of Tubbing • 136 ( a ) Wood 117 Sinking by Boring . 137 ( b ) Iron 118 Kind - Chaudron Method Guides Method of Proceeding afterwards Keeping the Shaft Vertical Winding Débris . Covering over Pit - top . Lining Shafts ...
... Drums 117 Cost of Tubbing • 136 ( a ) Wood 117 Sinking by Boring . 137 ( b ) Iron 118 Kind - Chaudron Method Guides Method of Proceeding afterwards Keeping the Shaft Vertical Winding Débris . Covering over Pit - top . Lining Shafts ...
Seite xi
... Drums and Pulleys Fish Plates . Sleepers 226 Brakes . 227 Rollers 227 Junctions Wood Iron . Steel Switches Plates Turntables Tubs Bodies Frames Height Size 227 Transmission of Power 228 229 Compressed Air Electricity . 229 Different ...
... Drums and Pulleys Fish Plates . Sleepers 226 Brakes . 227 Rollers 227 Junctions Wood Iron . Steel Switches Plates Turntables Tubs Bodies Frames Height Size 227 Transmission of Power 228 229 Compressed Air Electricity . 229 Different ...
Seite xii
... Drums 290 291 Overbalancing Tail Rope beneath Cages Meinicke System Koepe System Whiting System . 300 Tomson System Rails · 300 Wire Ropes Morgan System • 302 Conductors between Cages Hopwood and Marshall System Guide Shoes 306 Winding ...
... Drums 290 291 Overbalancing Tail Rope beneath Cages Meinicke System Koepe System Whiting System . 300 Tomson System Rails · 300 Wire Ropes Morgan System • 302 Conductors between Cages Hopwood and Marshall System Guide Shoes 306 Winding ...
Seite 17
... drum is employed . To save labour in unscrewing the rods , it is advisable that the frame should be made as high as possible , so that a long length of rods may be raised at a time . This is done in the following manner : -The stops ( 2 ...
... drum is employed . To save labour in unscrewing the rods , it is advisable that the frame should be made as high as possible , so that a long length of rods may be raised at a time . This is done in the following manner : -The stops ( 2 ...
Seite 20
... drum . b . Fig . 21 . Fig . 22 . Fig . 23 . Special Methods of Boring . - The greatest change which has : taken place in percussive boring is that due to suspending the tools by a rope , in place of the rigid bar . To the Chinese ...
... drum . b . Fig . 21 . Fig . 22 . Fig . 23 . Special Methods of Boring . - The greatest change which has : taken place in percussive boring is that due to suspending the tools by a rope , in place of the rigid bar . To the Chinese ...
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Häufige Begriffe und Wortgruppen
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