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 56
Seite ix
... Drill Choice of Site 14 ( f ) Diamond Boring Various Appliances used in Boring 14 Accidents in Boring ( a ) Bits 14 ( b ) Rods 15 ( a ) Accidents arising from the Boring ... Drill Brandt Drill Efficiency Power Machine Drills Ingersoll Drill.
... Drill Choice of Site 14 ( f ) Diamond Boring Various Appliances used in Boring 14 Accidents in Boring ( a ) Bits 14 ( b ) Rods 15 ( a ) Accidents arising from the Boring ... Drill Brandt Drill Efficiency Power Machine Drills Ingersoll Drill.
Seite x
... Drill Brandt Drill Efficiency Power Machine Drills Ingersoll Drill Optimus Drill • 66 Nitro - glycerine 67 Dynamite 68 Blasting Gelatine 69 Gelatine - Dynamite 69 Gelignite • 70 PAGE 88 88 88 • 88 89 Supports Rotary Power Drill Electric ...
... Drill Brandt Drill Efficiency Power Machine Drills Ingersoll Drill Optimus Drill • 66 Nitro - glycerine 67 Dynamite 68 Blasting Gelatine 69 Gelatine - Dynamite 69 Gelignite • 70 PAGE 88 88 88 • 88 89 Supports Rotary Power Drill Electric ...
Seite 14
... drilling apparatus and for carrying on the work . Various Appliances used in Boring- ( a ) Bits . - For shallow holes in soft ground the borer consists of some heavy instrument of the " scoop " kind , the general form being a cylinder ...
... drilling apparatus and for carrying on the work . Various Appliances used in Boring- ( a ) Bits . - For shallow holes in soft ground the borer consists of some heavy instrument of the " scoop " kind , the general form being a cylinder ...
Seite 22
... drilling rope and the sludger , these being driven by gearing thrown in and out by clutches . The effective cutting blow of the tools is given by the weight of the chisel , the auger stem , and the lower link of the " jars . " The jars ...
... drilling rope and the sludger , these being driven by gearing thrown in and out by clutches . The effective cutting blow of the tools is given by the weight of the chisel , the auger stem , and the lower link of the " jars . " The jars ...
Seite 23
... drilling , as much as 100 feet can be sunk in a day . With deeper wel's the advantage of speed belongs to the rope ... Drill . -The cutter consists of a cylindrical metallic shell formed on its lower end by a process of gulleting into ...
... drilling , as much as 100 feet can be sunk in a day . With deeper wel's the advantage of speed belongs to the rope ... Drill . -The cutter consists of a cylindrical metallic shell formed on its lower end by a process of gulleting into ...
Inhalt
1 | |
14 | |
20 | |
38 | |
44 | |
71 | |
83 | |
98 | |
344 | |
350 | |
356 | |
364 | |
374 | |
380 | |
386 | |
408 | |
112 | |
151 | |
157 | |
178 | |
188 | |
194 | |
200 | |
208 | |
226 | |
255 | |
286 | |
298 | |
419 | |
423 | |
429 | |
438 | |
445 | |
467 | |
477 | |
502 | |
519 | |
551 | |
556 | |
559 | |
Andere Ausgaben - Alle anzeigen
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