Vintage National Radio Co. MB-40-SL Multi-Band Tank Circuit – Ham Radio

A nice touch is that the Vacuum Relay stays cool after long sessions, which adds peace of mind.

Related Items

Antenna Tuning Capacitor Coil Vtg Radio Part For Ham Enthusiast Collector Large

Lot of Adjustable RF Coils Slug Tuned Inductors

Morley Transformer Co. Radio Frequency Coil NSN 5950-00-200-9998 P/N MTC230-345

Vintage NRI Wavemeter RF Radio Tuning Demonstrator Variable Capacitor Coil

Old Rotary Inductor Coil Size 2 3/8 ” X 2″ for Ham Radio Antenna Tuner. Xmtr

New B&W 3057 Tuner Coil 10″ Long 1-1/2″ Diameter (32 turns/Inch) 24 AWG 563 uH

vintage large broadcasting RF tuning coil E. F. Johnson 61313NT22 tubular silver

Vintage Plug-In RF Tuned Coil Modules Pre-Aligned Oscillator / IF Radio Lot 4