l in imagination as we dashed by another and another mine. Then I began to think about the accidents of which I had read; when men unfastened their wire-gauze lamps, so that they might do that which was forbidden in a mine, smoke their pipes. The match struck or the opened lamp set fire to the gas, when there was an awful explosion, and after that the terrible dangers of the after-damp, that fearful foul air which no man could breathe for long and live.
There were hundreds of thoughts like this to take my attention as we raced on by the fast train till, to my surprise, I found that it was getting dark, and the day had passed.
"Here we are close to it," said Uncle Jack; "look, my lad."
I gazed out of the window on our right as the train glided on, to see the glare as of a city on fire: the glow of a dull red flickered and danced upon the dense clouds that overhung the place. Tall chimneys stood up like black stakes or posts set up in the reflection of open furnace doors. Here a keen bright