Here’s an interesting and detailed teardown and repair of a Keithley 2001 7. ... model is especially subject to that exact vintage electronics issue: electrolytic capacitor failure and leakage.

Visit Metzger Vintage Audio to repair that dusty one under your bed or any other cool vintage audio equipment you found or pirated from your grandma's garage. Recently remodeled in '70s lounge ...

And if this kind of thing is up your alley, you may want to check out the Caps Wiki, an effort to centralize and share details about tech repair, especially for vintage electronics.