Subject: Re: Penny Bronze

From: [email-masked] (dale)
Date: 21 Mar 1995 19:31:49 GMT

Johnson Cauthen ([email-masked]) wrote:
> >does anyone have a suggestion for a commonly 
> >available material that can be used to generate dark brown to 
> >black?

> I Don't know of a chemical in any local store that will produce a brown/black patina.
> Try these people: Bryant Labrotory Inc.  (510) 526-3141, They sell to the public 
> chemicals used in patination and even have recipes.

For small items, we used to put them in an oven at ~250 - 300 degrees for 
several hours and they will darken quite nicely.  Great for copper and it 
will work for bronzes but takes quite a bit longer.

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Dale Tersey                              Computer Recycling Project
[email-masked]	                    
Alameda, CA, USA   94501                             (510) 523-2858