00317nam a2200133Ia 4500008004000000041000800040082001100048100001900059245002400078260004500102300000800147650001100155650001700166210210b1925   xxu||||| |||| 00| 0 eng d  aeng  a534/96  aSEARLE (G F C)  aExperimental optics  aCambridgebAt the University Pressc1925  a357  aoptics  aExperimental