000 00223 a2200073 4500
245 0 _aTelevision Measuring Equipment /
_c.
710 2 _aMarconi Instruments.
_eWydawca
_4pbl
260 _aSt.Albans :
_bMarconi Instruments,
_c1972.
300 _a68 s.;
_c25 cm.
999 _c12753
_d12753