We have such an instrument.  We use it to polish samples for x-ray and e
beam analysis.  The instrument can be seen at:
http://www.alliedhightech.com/grinding/polishsystem/

This instrument works very well and you don't have to be an expert in
sample preparation methods to use it.

Jon Hiller

Disclaimer:  I have no vested interest in Allied High Tech products.
Just a happy customer.


Jon M. Hiller
Argonne National Laboratory
Electron Microscopy Center
Materials Science Division
Tel:  630-252-9558
Fax:  630-252-4289