SAFETY IN MINES.
EXPERIMENTAL EXPLOSION. VALUE OF STONE DUST. Australian and N.Z. Cable Association. (Heed. 5.5 p.m.)- LONDON, July 23. The Government experimental station at Eskmeals, Cumberland, has carried out a remarkable series of explosions of coal d"st in the course of researches into factors making for safety in mines. .The conditions approximated to those of an actual coalmine explosion, in which hundreds of lives were lost. A gallery 750 ft. long was strewn ; with coal dust. The gas was ignited, and a flash of flame like lightning rushed through the gallery. It was followed by a cloud of dense black smoke and deadly coal gas. Pitprops and other colliery equipment were hurled - a great distance. Later the mine was cleared by special fans. The experiment showed the benefit of mixing stone dust with coal dust to .reduce the strength of the explosion./
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New Zealand Herald, Volume LX, Issue 18459, 24 July 1923, Page 7
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143SAFETY IN MINES. New Zealand Herald, Volume LX, Issue 18459, 24 July 1923, Page 7
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