Acerca de este libro
Mi biblioteca
Libros en Google Play
CHAPTER XII.-Slopes, Planes, and Inside Slopes,. 193
Method of operating inside slopes, power, etc.,
199
Gravity plane,
201
CHAPTER XIII.-Rolling Stock and Motive Power.
Winding with a single rope,
257
Wire ropes,-wear, cost, weight, breaking strains, etc.,
259
CHAPTER XVII.—Access to and from Mine Workings, 285
Man-engines,
290
Speed of winding,
291
CHAPTER XVIII.-Drainage, and Pumping Machinery.
CHAPTER XIX.- Ventilation and Ventilators.
Airways, doorways, cross-headings, stoppings,
Brattices, overcasts, regulators,
Steam-jet and furnace ventilation,
Fan ventilation,
Water-gauge,
Splits,
307
310
313
314
315
324
327
CHAPTER XX.-Colliery Management.
Boiler water,
Winding from slopes,
Inspection and repairs,
Colliery employés,
Discipline,
Colliery rules,
Duties of mine-boss, fire-boss, and driver-boss,
349
351
Duties of miners, and helpers or laborers, .
Duties of headman, footman, and drivers,
Duties of company hands, door-boys, outside foreman, 353
Duties of Hoisting engineer,
Duties of Breaker engineers, slate bosses, etc.,
General rule,
Fire-board,
Blacksmith shop and stables underground,
Colliery book-keeping, .
Cost of mining coal (tables, etc.), .
354
355
357
358
CHAPTER XXIII.--Roof-falls and other Accidents.
Tables showing number of accidents, etc., 1871 to 1880, 403
CHAPTER XXVI.—Preparation of Coal for Market.
At Cross Creek breaker,
445
At Hammond breaker,
447
.
At Lehigh Coal and Nav. Co.'s No. 10 breaker,
At Hollenback breaker,
452
453
Ventilation and lighting of breakers,
CHAPTER XXVIII.- Waste in Mining and Preparing
474