Show usco USI NEW azin 6 OP f 0 p A radl set using a new kind 0 0 ot of magnetic wave was recently 0 i 0 0 0 exhibited in oie die east Altho 0 0 but 15 inches square and od weigh 0 0 ing taff but seven pounds it Is claimed that it will send gend sound through eolla id steel or concrete 0 and can be successfully used by 8 entombed miners or from roni the into 0 r side of a bank vault no serial 0 0 or ground browd li required and the 0 set et can be used for communication either with a single station 0 or between the rooms of a house 1 0 J 0 4 00 |