New-to-me MTI Qualos surface grinder

[f350ca]

Nice score Pete, I was in the same position about a year ago, stumbled on one I couldn't turn down. Had never used one either and didn't really have a need for one but who can turn down a new tool.
Im working on the same premise as you, when I learn more I'll grind the magnet. For now a test indicator shows it to be pretty flat anyway. As for the bottom of the magnet and table, I just cleaned them up and used a stone to knock off any burrs so it sits flat. Also lightly stone the table top before each use.
The Suburban Tools videos Mike mentioned are good.
Have fun,