History
A pneumatic tool is first thought to have been used for rock drilling in 1844. Mr Burton invented a "wind hammer" for boring holes in mines.
1951: Halco, in collaboration with Stenuick of Belgium, developed the first DTH hammer, which had an operating air pressure of 100 psi.
1953: Halco DTH drill rigs introduced.The first-ever DTH blast using Halco equipment was successfully completed at Hill House quarry, Troon, Scotland.
Read more about this topic: Down-the-hole Drill
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“I believe that history might be, and ought to be, taught in a new fashion so as to make the meaning of it as a process of evolution intelligible to the young.”
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“History is the present. That’s why every generation writes it anew. But what most people think of as history is its end product, myth.”
—E.L. (Edgar Lawrence)