Quote:
Originally Posted by ms660
In the 2nd photo what's the four brass looking things on the top?
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Aren't they just the top ends of the 4 pins?
I'm betting that it's either a crystal or some sort of plug-in capacitor: I recall that WWII-era transmitters sometimes used plug-in "antenna-shortening" capacitors (in series with the antenna) to help a radio designed for short whip-antennas (well less than 1/4-wave) to match a longwire that may be more than 1/4-wave long.