RE: parts tumbler

["Randall Young" <ryoung@navcomtech.com>]

> A nearly free rust-cleaning / removal technique you may want to 
> try is vinegar and a jar.  Pour vinegar in the jar, drop in the 
> rusty part, let sit for a day or two.  Remove totally rust free 
> part, rinse of vinegar.  

Or, do a Google for "electrolytic rust removal".  Here's one link :
http://www.davidbradley.net/ERR.html

Haven't tried it myself, but my Dad says it works very well.

Randall