Had some time to spend in the shop and decided to tackle this VAT-33. What a nice tester this is -- some parts are modular "solid state" components interlaced with old fashioned 50's vintage electronics.
The magnetic pickup was rewired, as was the low side battery leads. Other than that, the cabinet received some hammered paint and the face was thoroughly cleaned with a soft brush and solvent. The knobs and brass hardware were also removed, cleaned and buffed. I also refurbished face plate and primary leads/clamps.