Designed to function as a general purpose triode acting as a oscillator, detector, or amplifier. New old stock * No longer available for export. MFR: RCA, National Union, Sylvania, Mission Bell Radio SKU: 76
Designed to be used in automobile headlight dimming service as the tube is very sensitive to light, allowing the tube to increase or decrease resistance in the circuit. New old stock * No longer available for export. MFR: RCA SKU: 6328
Designed to function as an oscillator tube with excellent stability over a wide range of frequencies. New Old Stock * New In Box * No longer available for export MFR: RCA SKU: 8058
Designed for use as a detector and amplifier at ultra high frequencies. New old stock * No longer available for export. MFR: RCA, Raytheon, GE SKU: 9001
