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At the same time the first mechanical rock drills were boring holes that miners
had always bored by muscle. A surface engine sent compressed air down pipes
to the heavy rock drill and pistons in the cylinders of the drill thrust to and fro, ...
The dust drifting from the rock drills underground carried a new hazard, more
dangerous than physical accidents because it was invisible. The machine miners'
main job was to drill holes into the rock and fill the holes with explosives, and the
POSTSCRIPT: THE 1970s Near the desolate gold town of Laverton, on the outer
fringes of the West Australian goldfields, a percussion drill began to drill a hole in
search of nickel on 23 September 1969. The hole was begun at midday, and by ...
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The history of mining is central to Australian history, from the gold rushes of the 1860's which brought hundreds of thousand of immigrants, to the mountain ranges of iron ore and immense natural gas ... Read full review
A Little Excitement
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