GEC (DESIGN)

ELECTRONIC TUBES-NAMELY, VIDICONS AND SCAN CONVERSION TUBES; TV INSTRUMENTATION CAMERAS FOR PRODUCING USABLE PICTURES IN SEVERE ENVIRONMENTS, SUCH AS IN MISSILE AND/OR SPACE ENVIRONMENTS

SCAN CONVERTERS; CAMERA TUBE TESTING DEVICES; SLOW SCAN TV SYSTEMS CONSISTING OF CAMERA HEAD AND CAMERA CONTROL AND MONITOR AND POWER SUPPLY; OPTICAL MIRRORS; FILTERS; PRISMS; FLATS; CATADIOPTRIC LENSES; CASSEGRAINIAN TELESCOPES; CAMERA MOUNTS; PEDESTAL MOUNTS FOR TELESCOPES; TV SYNCHRONOUS GENERATORS; AND VEHICLE SCALES