The Secret Society of Lathe Trolls

This is the R-8B amp which came with an Imperial II portable lathe I bought a few years ago. I have never powered it on for two reasons: 1) I used a modern amp to run the lathe (which worked perfectly once cleaned and lubed) and 2) I can see that at least one of the caps is totally dried out, see ph...

anyone have a good link for this?