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GB1040257A
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Improvements in electron-optical image intensifiers
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Improvements in image intensifiers
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Improvements in photoresistances
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Improvements in cold cathodes for electronic flash bulbs
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A method of, and apparatus for, locating hot axle bearings in railway vehicles
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Method of eliminating ion spots on the photo-cathode of electronic optical devices
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Electronic television transmitter
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Cathode ray tube
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Improvements in or relating to mosaic electrodes for electronic scanning devices
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GB500587A
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Improvements in or relating to electron discharge devices for use in television and like systems
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GB455899A
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Preparation of the light-sensitive electrode of photo-electric cells
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GB456316A
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Tubes for converting an optical image into an electron image, especially for picture decomposition
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