LIST OF FIGURES. 



PAOE. 



Fig. 98 Screw Clip 165 



Fio. 99 Creeper Chain 165 



Fi. 100 Stop 166 



Fig. 101 Block for Waggon 166 



Fi^ 102 Johnson Clapham and Morris Safety Lamp 167 



Fig. 103 Coke Ovens 169 



Fig. 104 Weight of Roof 170 



Fi* 1 . 105 Sullivan Long-wall Machine 171 



Fig. 106 Welsh Bord System 172 



Fiu. 107 Davis Water Gauge 174 



Fig. 108 Hornsby Upright Water Tnlo Boiler 175 



Fig. 109 Dragon' Rope 176 



Fig. 110 Hydraulic Ram for Working Doors of Oven ..: 177 



Fig. Ill Coke Ovens 178 



Fig. 112 Coke Ram 17!) 



Fie:. 113 Coke being Pushed out of Oven 180 



Fig. 114. Foot Point 18o 



Fig. 115 Sliding Weight 185 



Fig. 116 Fixed Weight .' 186 



Fig. 117 Foot of Incline 180 



Fig. 118 Hydraulic Rams 187 



Fig. 119 Reavell Air Compressor 192 



Fig. 120 Little Hardy Coal Cutter ... 194 



Fig. 121 Little Hardy Fixed for Under-cutting 195 



Fig. 122 Tippler 198 



Fiy. 123 Black Truck 199 



Fiii. 124 Brake for Incline -. 200 



Fig. 125 Hydraulic Ram 20] 



Fig. 126 Hydraulic Ram for Lifting Oven Doors 202 



Fiii. 127 Corrimal and Bslgownie Air Shaft Head Frame 201; 



Fiu. 128 Fisher's Clip 207 



Fiu. 129 Runaway Switch 208 



Fiu. 130 Greaser for Skip Axles 209 



Fii;. 131 Self-acting Incline 210 



Fig. 132 Roller and Bearings 210 



Fig. 133 Beranger's Principle 211 



Fig. 134 Platform Weighing Machine, Plan 211 



Fig. 135 Platform Weighing Machine, Section 212 



Fig. 136 Pillar of Weighing Machine 213 



Fig. 137 Patent Self-indicating Pit Bank Weighing Machine... 214 



Fig. 138 Australian Coke Works 215 



Fig. 139 The Quimby Screw Pump 219 



Fig. 140 Branch Lines at Flat 222 



Fig. 141 Fisher's Friction Clutch 223 



Fig. 142 Fisher's Friction Clutch 224 



Fig. 143 Fiat 225 



Fig. 144 Bobbin 225 



Fig. 145 Throw-off Switch 226 



Fie- 146 Throw-off Switch 226 



Fig. 147 Water Tub 227 



Fig. 148 Wreck at Mt. Kembla, after the 1902 Explosion 230 



Fig. 149 Goodman Low-vein Electric Chain Breast Machine ... 236 



Fig. 150 The Pickquick Direct-current Cutter on Skids 236 



Fig. 151 Starting a Cut with the Pickquick 237 



Fig. 152 Automatic Switch 238 



Fig. 154 Sullivan Electric Chain Machine 245 



Fig. loo Jeffrey Short-wall Coal Cutter 247 



XI. 



