First up is a Prairie Tool model 85 horizontal grinder. It looked like it had been sitting in a dirty barn for 50 years.
Before/After:
Vid:
<a href="http://www.youtube.com/watch?v=GOeH4ZI6EPA" target="_blank">http://www.youtube.com/watch?v=GOeH4ZI6EPA
Next is a no-name green grinder...