Cathode-ray tube having asymmetric slots formed in a screen grid
Cathode-ray tube having electron gun with three focus lenses
Cathode-ray tube having unitary electrode plate of different thi
Cathode-ray tube with electron beams of increased current...
Cathode-ray tube with electrostatic convergence electrode assemb
Cathode-ray tube with improved electron gun
Cathode-ray tube with magnetic ring
Cathode-ray tubes electron-guns
Color Braun tube apparatus with non-circular electron beam...
Color cathode ray apparatus provided with dynamic convergence me
Color cathode ray tube
Color cathode ray tube
Color cathode ray tube
Color cathode ray tube
Color cathode ray tube
Color cathode ray tube
Color cathode ray tube
Color cathode ray tube
Color cathode ray tube
Color cathode ray tube