00495    a2200145   4500003000500000005001700005040000900022082001300031245004700044260003100091300001800122505015800140538003400298650001700332Nust20170207154200.0  cNust  a621.3827  aFiber opticscHeathkit Educational systems  aMichiganbHeath Co. c1953  aVarious pages  aOptical Energy (Page-1-1) Optical Fibers (Page-2-1) Fiber Optic Light Sources (Page-3-1) Fiber Optic Receivers (Page-4-1) Fiber Optic Systems (Page-5-1)   aAlmirah No.132 and Shelf No.1  aFiber optics