Couldn't wait! I gave the front panel a quick surface cleaning to at least get all the grime off. What is left in terms of discolouration now is mostly yellowing of the varnish top coat. That I can eventually lighten with a form of very fine jeweller's rouge and I will try to match it up with the lower panel on the Receiver until I can get around to a complete refinish of the Supply Unit front panel.
The first photo is of it sitting beside the Receiver. When I cleaned the two rubber cones on the headset leads, I discovered the left one still had a large circular red stamp on it which shows up in the photos in the 52-Set manual. The right hand connector had been exposed to high heat at some time as the cone is drooping in one location. I will likely replace that cord with an NOS one I have tucked away somewhere.
The 2nd photo is of the entire 52-Set Project parts accumulation to date. Feels nice to finally be at the 60% mark for the main set pieces!
David
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