000 00700 a2200169 4500
003 Nust
005 20230725132105.0
035 _a621.381542
040 _cNust
082 _a621.38157452,SOM
245 _aPhotoelectric tubes /
_cA. Sommer
260 _aLondon
_bMethuen
_c1951.
300 _a118p
505 _aHistorical Introduction (Page-1), Theories Of Photoelectric Emission (Page-3), Photoelectric Cathodes (Page-18), Matching Of Light Sources And Photo Cathodes (Page-49), Vacuum Photocells (Page-62), Gasfilled Photocells (Page-66), Multiplier Photocells (Page-79), Applications Of Photocells (Page-90).
650 _aTelecommunication Engineering.
942 _2ddc
_cBK
_k621.38157452,SOM
999 _c182425
_d182425