Chuck Kichline wrote:
>
> If you have any linseed oil left, use it to oxide any bare metal bolt
> heads you might have. Heat the head up and quench (drop) it in
> linseed oil and you have a pretty durable black finish that was
> popular into the 1950's.
>
> Chuck Kichline
> Austin, TX
Would that be Parkerizing?
http://www.google.com/
Chuck Schmidt South Pasadena, Southern California
.