Designed to function as an oscillator, amplifier, mixer or multivibrator at low frequencies to VHF. New old stock * No longer available for export. MFR: General Electric SKU: 407
Designed to be used in relay and grid-controlled rectifier applications. New old stock * New In Box * No longer available for export. MFR: RCA, Westinghouse, Sylvania, GE, Tung Sol, National SKU: 2D21
Designed for use in a specific cavity for stable local-oscillator service between 1000 and 1200 megacycles. New old stock * No longer available for export. MFR: GE SKU: 2C46
Designed for use in coaxial cable amplifiers, video amplifiers, broad band IF amplifiers in communication links, and TV equipment. New old stock * No longer available for export. MFR: Amperex SKU: 7737