VA BOMAC

ELECTRONIC TUBES-NAMELY, MAGNETRONS; KLYSTRONS AND WAVE TUBES, AND MICROWAVE TRANSMISSION DEVICE-NAMELY, GASEOUS DISCHARGE ATTENUATOR TUBES; GASEOUS DISCHARGE SWITCHING TUBES INCLUDING TRANSMIT RECEIVE, ANTI-TRANSMIT RECEIVE, AND PRE-TRANSMIT RECEIVE TUBES; GRID CONTROLLED GAS RECTIFIER TUBES; SPARK GAP MODULATOR TUBES; MICROWAVE DUPLEXERS; DIRECTIONAL COUPLERS; POWER DIVIDERS; MIXER DIODES; TRANSMISSION CAVITIES; CRYSTAL PROTECTORS; ECHO BOXES; RELAYS; NOISE SOURCES; SURGE PROTECTORS; AND PRESSURIZING WINDOWS FOR RADIO DIRECTION AND RANGE SYSTEMS