000 00363 a2200145 4500
082 _a537
_bG798e
245 1 _aELECTRICAL AND RADION NOTES FOR WIRELESS OPERATORS
260 _aLondon
_bH. M. Stationery Off.
_c1957
300 _a246
440 _aIts Air Publication, 1762
_v
650 _aElectricity
650 _aRadio
964 _gCIRC
997 _a3601 C
999 _c451542
_d451542