Show j Inventor o of Radium e in m Laboratory I rl t N wy x i Y a i i. i y J 1 I i r ww n i r t i in l' l 1 L iJ t i t r. r r V w y 5 S l t. t A Ay y t Capt H. H R. R ZImmer of Los Angeles whose formula Z uz R B un was used during the war In depth b bombs rou roughly r handling radium the worlds world's most powerful explosive fifty times Umes as powerful as nitro nitre glycerin cerin Rough Hough i handling Is not however dangerous since a sI spark ark Is needed to set It off Captain Zimmer's laboratory equipment equipment equipment equip equip- i ment consists of ot a few crocks a bicycle pump siphon and Ice cream freezer |