Periodic permanent magnet structure with increased useful field
Periodic permanent magnet structure with increased useful field
Permanent magnet multipole with adjustable strength
Permanent magnet twister
Permeable corrector for deflection yokes
Pickup tube structure with an improved magnetic shield
Pincushion raster corrector distortion with improved performance
Position adjusting device for image pickup tube coil assembly
Precision vertical deflection coil for a hybrid television yoke
Projection yoke with auxiliary deflection yoke attachment
Pulse electromagnet for apparatus for accumulating charged parti
Purity adjusting device for slotted mask in-line color picture t