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 am not a literary man.... I am a man of science, and I am interested in that branch of Anthropology which deals with the history of human speech.”
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“In history as in human life, regret does not bring back a lost moment and a thousand years will not recover something lost in a single hour.”
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