Show of interest to M ners pans A series of s ex t eri ments to prevent explosions in mas conducted on tuesday at their conclusion the bel ef wis ex t that the danger from coal dust conflagrations in u following ex plo of fire damp ild hence orth be pie vented the experiments demonstrated that certain low tern pera ture or safety explosives s ib for dynamite or other high tension explosives do not set the coal dust on fire and furthermore that 50 per cent d t mixed ith coal oust renders the latter free horn the danged of explosion |