  - Appliances for firing blasting charges, 42
- Auxiliary tools, 17
- Batteries, firing, 62
- Beche, 21
- Bichromate firing battery, 62
- Bits, borer, 31
- Blasting gear, sets of, 22
- —— sticks, 51
- —— subaqueous, 164
- Borer-bits, 31
- Boring under water, 170
- —— the shot-holes, 128, 142
- Bornhardt’s firing machine, 57
- Brain’s powder, 105
- Bull, 20
- Cables, 53
- Cellulose dynamite, 105
- Charging and firing, 150
- —— the shot-holes, 132
- Chemical compounds, 81
- Claying iron, 20
- Conditions of disruption, 110
- Connecting wires, 52
- Cotton powder, 103
- Darlington drill, 26
- Detonation, 95
- Detonators, 54
- Dislodged rock, removal of, 154
- Disruption, conditions of, 110
- —— force required to cause, 107
- Division of labour, 155
- Drills, dimension of, 6
- —— form of, 4
- —— hand, 1
- —— hardening and tempering, 10
- —— making and sharpening, 7
- —— sets of, 13
- Drivings, examples of, 157
- Dubois-FranÇois carriage, 39
- Dynamite, 100
- —— composition of, 87
- Electrical firing, advantage of, 153
- Electric fuses, 47
- —— tension fuse, 50
- Example of a heading, 115
- Examples of drivings, 157
- Explosion, force developed by, 72
- —— heat liberated by, 67
- —— gases generated by, 69
- —— nature of, 64
- Explosive agents, nature of, 76
- Firing batteries, 62
- —— blasting charges, appliances for, 42
- —— by electricity, 138
- —— machines, 55
- —— machine, Bornhardt’s, 57
- —— —— induction coil, 61
- —— —— Mowbray’s, 59
- —— —— Siemens’, 60
- —— —— Smith’s, LONDON: PRINTED BY WM. CLOWES AND SONS, STAMFORD STREET AND CHARING CROSS.
Plate I. SET of COAL BLASTING GEAR. E & F. N. Spon. London & New York. Large Plate I. (81 kB)
Plate II. SET of SINGLE HAND STONE BLASTING GEAR. E & F. N. Spon. London & New York. Large Plate II. (93 kB)
Plate III. SET of DOUBLE HAND STONE BREAKING GEAR. E & F. N. Spon. London & New York. Large Plate III. (107 kB)
Plate IV. THE DARLINGTON MACHINE DRILL. E & F. N. Spon. London & New York. Large Plate IV. (135 kB)
Plate V. STRETCHER BAR. E & F. N. Spon. London & New York. Large Plate V. (157 kB)
Plate VI. MACHINE DRILL SUPPORTS. E & F. N. Spon. London & New York. Large Plate VI. (110 kB)
Plate VII. MACHINE DRILL SUPPORT. E & F. N. Spon. London & New York. Large Plate VII. (115 kB)
Plate VIII. DUBOIS-FRANÇOIS MACHINE DRILL CARRIAGE. E & F. N. Spon. London & New York. Large Plate VIII. (87 kB)
Plate IX. ST. GOTHARD TUNNEL. E & F. N. Spon. London & New York. Large Plate IX. (117 kB)
Plate X. EXAMPLES OF HEADINGS. E & F. N. Spon. London & New York. Large Plate X. (135 kB)
Plate XI. HOOSAC TUNNEL. E & F. N. Spon. London & New York. Large Plate XI. (98 kB)
Plate XII. MUSCONETCONG TUNNEL. E & F. N. Spon. London & New York. Large Plate XII. (126 kB)
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