Show Bomb Wrecks Police Room PHILADELPHIA Aug 22 AAn p- p pAn An explosion in a steel locker of the detective bureau rocked Philadelphia's Phila Phila- delphia's delphias cl city all y-h-all hall hail Friday boomed boomed loudly through the downtown business bustness bust bust- ness District t and Injured several ral persons none none seriously I f Choking fumes and smoke filled the first floor corridors of the massive building and William Sim- Sim ler Jer deputy chief engineer among the first fir firemen m n to arrive on the scene said h he lie detected detect d sulphuric acid C The explosion was probably caused by some some evidence in the hands of at the bomb squad which used the lockers in which it occurred said sAld George Richardson Richard Richard- son assistant superintendent of po lice in charge of ot the det detective eUve bureau bureau bu bu- bu- bu reau rea |