| Show coal cettl dait lons the mining of coal is attended with many dangers danger but none more to in be dreaded than the dust explosions that are liable to occur it at any instant and alid against which in many instances not lot even the must ordinary precautions are taken the air becomes thick with dut dust which by some soine means comes in contact with flame and tile the fire spreading with inconceivable rapidity causes the most tei bilic explosions explosion it i is claimed that ill all danger in this direction way may ie be removed by a carefully arranged system of Epra spraying ying water through all the passageways eways the wet particles particle at once fall to the ground and may be washed away by falli tig water or HT trodden down by the feet of the miners recent investing invest investigation ig seems to prove that clial gas alone produces produce comparatively few of the m more re dreadful accidents but that gas and coal dust mingled make k on an explosive compound that I 1 is greatly to bo be dreaded |
