Show POWDER PLANT BLOWN UP thirty one workmen killed as result of mysterious explosion wilmington del thirty one workmen yvere were killed and seven fatally injured tuesday in a terrific explosion of about four tons of black powder at the upper hagley yard of the du pont font powder company it was t the he worst accident that has occurred in any of the companas comp anys plants in a quarter of a century the cause of the blast is not known according to a statement issued by the company the origin will probably always remain a mystery nevertheless a most severe investigation has been instituted by the officials of the company and every employee who was near the building that was blown to pieces will be put through a thorough examination in the hope that some clue as to the cause may be learned |