[Milsurplus] 211/VT-4C pinout needed

[Laura and Jim]

Hi all - I am cleaning the moss (literally) off a complete BC-375 (and a parts set) that were left out in the rain for years. It has its full tube complement, but I haven't yet found a conclusive pin out for the 211's. Anyone have a pin out relative to the locking pin? I think the contact below the pin and its opposite one are filament but what's the polarity? (A+, A-, cathode, plate, etc.)

This unit looks pretty clean inside, but most the gages are shot because they leaked and the workings rusted away. Outside is intact but butt-ugly w/rust on the tube door, and peeling paint on all the aluminum. Anyone know of a "Naval Jelly" equivalent for aluminum or is it an issue? I have 4 TU's covering the lowfer band, 160, 40, and 30.

If I am extremely lucky, I'll get this beast running in time for the Collings Foundation visit to the Eureka/Arcata airport (ACV) this June. I bought a new (to me) BC-348R w/dynamotor that that I plan to use as the RX. I'll have the TCS standing by just in case. I hope to work a deal on a dyno unit for it also. We'll have all the "modcons", but I'm trying to be off the grid for this event if I can pull it off.

Cheers!

Jim Falls
KG6FWT
Eureka, CA
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