Show black hand asnass ns threaten to blow up powder magaz ne new york in a letter signed black hand and addressed to corn mander Brauns rueter in charge of the united states naval magazine at lona island the threat has been made that the enormous stores of smokeless powder on the island will be blown ap unless the married men discharged from employment on the island jan uary 1 1908 be put back to work at once there are three million pounds of smokeless powder and other elpio stored in the numerous maga |