4 euste disdend slat ou “ACTIVITY OF ADLFLTERS eninene? on e ACTIVITY ON GLARED PAPERSPRECIPITATION envittney La@amnet paperectrurynas Wan 20é/m/t1*dayen omennng Soy Ooker frner extrty betew 0.5 d/m/mater’ an cottection eoy Keacnvity errieuies 10 KING * ox Nenene,Totrene, emaor daarbers m perarthenes bubeved te be ter wrong day or siehan or Eiharune m orrw Radioactive ‘taliout in the 24-hour period beginning 1830 G.C.T., 6 Nov. 1952 <steaAbushdealinds -72 . Sypia oe vel Figure A.i1