This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1885 edition. Excerpt: ... INDEX. Abandoned excavations, examination of air in, 12 Accidents in mines, prevalence of, in early times, 82, 83 means to be used as safeguards against, 9-13 Air and gases, expansion of, 82 Air courses, driving, 13 should be straight and direct, 13 Air crossing, 12, 63 in ventilation, 39 Air crossings, 36 driving in solid strata, 23 Air currents, velocity of, experiment with, 152 Air doors, 13 worked by gravity, 63 Air in abandoned excavations, examination of, 12 Air, splitting the, 36 Air stoppings, 13, 36 Air-way, spacious, 12 America, mining in, 59 want of experienced miners in, 75 waste of coal in, 74, 75 Anemometer, the, 43, 45 Angel of death in the air in mines, 13 Ashland, Pa., colliery at, 166 Avondale, Pa., explosion at, 165 Baldwin Locomotive Works, 144 Battery and loading platform, 104, 105 Battery collar, 105 Bear Kidgc, 166, 167, 169 Belgium, mines of, 59 Bell, Isaac Lowthian, 59 Blackboard, putter's, 65 the deputy's, 48 Black Fell colliery, 78 Blasting coal, 107, 108 Board and pillar and long wall systems of mining compared. 142-147 Board and pillar system of mining, 60 system of mining out coal by, 33-88 some advantages in. 74 with experienced miners, 74, 75 whole coal working, plan of, 36 workings, ideal plan of, 37 Board and wall system of working, 37 Board room, interior view of a, 88 "Board-ways," 37 Boards and ends of coal, 36-41 Bore holes in testing for gas in mining, 12 Bosses in coal mines, 26, 27 Bottom rock, gutters in, advantages of, 128-131 Buck Mountain vein, 90 Buddie, John, improvements in ventilation, 83 Brattice in ant opening schute, effect of, in ventilating, 21-23 i Brattice in Europe since the time of Speeding, 23 Breast of a mine, 106 Breast-rooms, 104 and pillars of a mine, 103, 104 Breasts in the...
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1885 edition. Excerpt: ... INDEX.
Author: Thomas H. Walton