COAL EXPLOSIONS
STONES WHICH BURST (From Our Own Correspondent.) WELLINGTON, To-day. THE idea that explosions in grates and kitchen ranges, which have been rather frequent during recent weeks, are due to explosives left in the coal, is largely discounted in the light of experiments which have just been carried out. It is stated that the explosions are due to a form of stone which is present in coal in lumps up to about the size of a man’s fist and which bursts violently when subjected to great heat. As the stone is black and shiny it is difficult to distinguish it from coal. Experiments have been made with explosives used in the mines, and it has been found that on coming into contact with flames they merely fizz and do not explode. The suggestion that trouble might have been caused by detonators left in the coal is scouted as unlikely.
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Sun (Auckland), Volume I, Issue 136, 30 August 1927, Page 9
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150COAL EXPLOSIONS Sun (Auckland), Volume I, Issue 136, 30 August 1927, Page 9
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