00393nam a2200133Ia 4500008004100000040001700041082002500058100002800083245004800111250000800159260003300167300001500200650004400215190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta621.384bS647R  aSmith, F Langford (Ed.) 0aRadio designer's handbookcF Langford Smith  a4th  aLondonbWireless Worldc1953  axl, 1482p.  aRadio engineers-Handbooks, mannuals etc