Being around 35-40 - years old and being neglected for almost half that, there is quite a bit to work on to just get the microscope to a point where I can work on the real man's stuff:
-Full teardown to replace o-rings and grease
-Cleaning the god-awful, ancient gunk out of the diffusion pump. Then cleaning everything sticky around me.
-Making a couple port covers; one with a mount for a vacuum gauge
-Fixing the broken cage on the secondary electron detector.
-Quite a bit of other small stuff
Most of that stuff was finished before I started using Hackaday.io, so sorry, no pictures or anything.