Cool, this is more or less the same set used in the episode of I Love Lucy where she's selling "Aunt Martha's Old Fashioned Salad Dressing".
The Westy is being used as a studio monitor, you can see it at the 8 second mark, different color and style but basically the same.
http://www.youtube.com/watch?v=kJMcIbhTEzs
No I know what that enormous Channel Selector knob I recently got from eBay fits!