Show dust duat now recognized as powerful explosive it Is more or lesi generally well known that all dust accumulations represent a menace of no mean proportions dust la Is explosive sive and lauy mills lullis were wrecked by tills mysterious power before the rent cause was understood der stood in a mine f for or instance tile the explosion taking place in one cham tier her was carried to the next und and so on OD until tile explosive ave force swept through the lie entire mirl and the working 4 1 were wre caged completely V it la 18 only within a comparatively few years thill that ascertained that this march of it was conducted through the h destruction destructs an was subterranean passages POs sages by tho the accumulation of dust on the walls v ails an and in ilie he crevices now this Is avoided by a Is sprayed anand which prevents the dust thus treated rented from exploring 11 in the lie anse nse of grain brain mills the damage done iby by these hj at er IOUs baruto IT severe anil and the government cles anve been giving considerable atte otton to lo the of these mysterious blasts in nurse orsome experiments it found possible to d rive drive nn an automobile enu ie by the ule u of finely powdery corn cora dust louisville Louls vIlle coubler journal |