[R-390] Here - A "Special" wall plug *just for* R-390* R-388 etc

[Tom Norris]

I was bored, and I didn't put a lot of creativity into this.
Here is a special wall plug just for R-389, 390x, 391, 388
and other Collins-designed/built boatanchor receivers.

http://www.fernblatt.net/A/urr_plug.jpg