000 00505nam a2200217Ia 4500
008 210210b1950 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a535/168
100 _aWITTS (Alfred T)
245 _aSuperheterodyne receiver Ed 6
250 _a
260 _aLondon
_bSir Isaac Pitman & Sons Ltd.,
_c1950
300 _a208
650 _aSuperhetrodyne
650 _aSuperheterodyne
650 _areceiver
650 _aEd
650 _a6
690 _aElectronics
906 _a008786
999 _c127535
_d127535