Weird aircraft radio thing with gold/silver?

[azgard]

i have found this odd device. it was out of a military aircraft i beleve. i found some interesting stuff in it. inclding some boards with gold tracing. and a odd diode marked JAN1N23WE. This has gold posts on each end. I filed one down and did a test rubbing on the stone and using acids. the 14k disolved it. the 10k did not. has anyone seen these before that are solid gold and not plated. Also theres some weird devices and parts inside that are white like silver. i dont know if its coated or solid. i cut into one and its same color all though. i have seen alot of silver plated ham radio stuff but nothing like this before. i have attached some pictures below. the device is extremely complicated hundreds of small parts make it up i took out screws for an hour and barely got anything off of it. gonna be alot of work to get down inside of it.

could that inside area that appears to be sheilding be solid silver or just plated. i cant find my silver test kit right now i gotta order a new one.

 

[qst42know]

The JAN prefix is Joint Army Navy, WW2 I think. I have dissolved only a couple (1N) microwave diodes. From those few, I would expect heavy gold plated brass not solid, though there may be a dab of braze at the tip.

The piece marked "band adj" in your photo may be solid plated copper. Tantalum capacitors (right bottom corner of top photo) have a silver content. The antenna output stud Teflon insulated is possibly solid silver.

You might find other interesting pieces in this radio I never had a complete unit just parts.

 

[Militoy]

Definitely not made in WWII – the date codes indicate it was built in 1972. The high-voltage Gudeman TRU (transformer-rectifier unit) would probably sell pretty well on eBay – as would the tubes, the 2 red current transformers, and the small transformer next to them. The stamp which is partly visible on the right indicates the radio set this unit comes from: (“part of RT…”). The motors remind me of the ones in the spectrum generators in the Vietnam-era helicopter radios I worked on in the early 70’s. Don’t know how much PM you will find – but I see wet tantalum caps, and several other sources of silver – as well as what look to be gold-plated contacts.